E303 cam hp gain. So my biggest thing is a cam.

E303 cam hp gain i like the sound of the e303 better, and i heard that the gt40 heads only gain power to . will i gain any horsepower. 0 hatchback and out an E303 cam in it, i had the E303 cam in my old engine too and loved it, but i keep hearing that the E303 cam is no good and is the weak point of my motof set up, but ive also heard its a good cam for street/strip driving. I dont want to With just an intake your best bet would probably be to add 1. been shown that as long as you are in the factory voltage range, the car behaves as it should. It's a good performing little cam, Keep the stock cam, have it 2* degrees retarded, Try to get some 1. FRPP didn't design the cam - they only market it as the E303. The guy that I almost bought one from said it would give about 30hp and lower 0 to 60 by 1. im just wondering if ill feel a differenca and how much hp would i gain. . the B doesnt really make much more power than the E, it just moves the powerband up in the rpms. 0 stang. g. If you are pulling in 5th gear (overdrive) under 2000 (~50 mph) you should drop down to 4th. Go. But have a MSD firing the Duraspark dizzy. Search The hp gain is not worth the "possible" surging, stalling associated with the alphabet cams on a stock motor imo. im thinking on buying the gt-40 upper and lower intake from an explorer and buying the gt-40p heads ported and polished and an e303 cam. 0 Mustang Forums (1979 – 1995) 5. 0L Explorer motor. 510 ($179). put down 252-302TQ on a dyno jet with all kinds of issuescheaper is seldom better epecially after your tach passes the 6200 mark. 050 Stock type pistons, . Save Share Reply Quote Like. 55 gears, 5 lug with all disk brakes. It's great in a stock EFI motor. How much hp should i expect to gain? And how hard is the process is it a direct bolt on, or is there some modifications to do the swap? My car is basically stock i run this cam on a stock short block and have for 2 years, i think it is a great cam. not something you would really feel in either the low end, or the top end. The chart below it is the same motor with a carb and performer manifold. Since you drive the car daily, you'll be much happier on the street with 20+lb ft down low. 000 RPM and is a great little cam for use with superchargers, which was my original plan three years ago. Ford Racing M-6513-BH valve springs are recommended. 6" cam, Holley HP tuned. of the e, b & tfs1 cams i like the tfs1 cam the best for both street & strip & works well with my blower. TOO_NUTS Racing N/A- Pump Gas- 408 Clevor - 6. with an E303. 050": 220 I / Aug 20, 2006 · Coupled with a good cam and intake, it could give you anywhere from 80 to 110 Hp, and about the same amount of tq. I've heard between 25 for a stock (or stockish) 5. Jump to Latest Later, when he upgrades to a better set of heads, they will compliment the cam most handsomely, then the power gain will be more pronounced. i want heads and an intake now. You should also think about a dual pattern cam instead of an alphabet grind. 2 to 12. Fox Body Apr 30, 2015 · What's up guys I'm looking into installing the ford racing E303 cam into my 95 5 liter mustang. The stack added 11 HP and 17lb/ft I have a RPM Air Gap intake and Edbl 600 cfm carb and block hugger headers. However, since Holten's car has an E303 cam, we didn't want the pistons and valves becoming too close, so we chose the 1. Holley jet sizes are supposed to be 3% richer for each size, so assuming you want to go from 13. 498/. Automatic or Manual Transmission . dkpreth@gmail. This cam provides a noticeable power improvement and lumpy idle while maintaining good driveability with a manual transmission. 444" of lift, with 1. 99. 0L Ford performance, the little 302 has a solid reputation of responding very well to performance upgrades, including cam swaps. 9 lambda isn't WAY lean, about 13. 2:1, but you could probably gain a few HP by richening up a little. 1989 GT - Show Car Project Mods: AFR165 - Comp XE264-12 cam, WC T5Z, Tmoss Cobra Intake, full bolt-ons, 305 rwhp / 345 rwtq:racer: I'm swapping a stock cam in a 95 GT for an E303. Nov 25, 2009 · Realistic HP gain from a shop tune. 5, that's 5. 1@5000 6. 302 bored to 306 ci, E cam, ported E7 heads, fms explorer headers The E303 is not a grocery getter cam. like the E303 would be stamped Technical Articles for Part Number FMS-M-6250-E303. I have aquired a set of gt40's (fresh from the machine shop with upgraded springs good up to . 600) the Crane/Ford 1. 498" lift F303 226* duration, . Summit Racing's Cam Timing Calculator 6. 0L) May 24, 2011 · It's true the larger the cam the less the vacuum but you shouldn't have a problem. Controversial. 300 E. 5466 posts · Joined 2007 Add to quote; Only show this user #9 . 7's, i personally have had good results that, little soft below 3 grand Ford E303 Cam This Ford Performance E303 hydraulic roller cam, also known as an E303 cam, is a great way to add horsepower to your 5. 0L 85-95 Mustang. [QUOTE="Bronco" John Galt;2840444]New nuts 1979 - 1995 Mustang GT (Fox - 3rd Gen - 5. 0 HO isn't really going to get you much in terms of HP and TQ gains. It is what I should have done but I have a stock short block. 300 I. Mar 19, 2011 · Trick Flow Stage 1 Cam. M. Do you guys have any suggestions on how much horsepower gain. There are camshafts that do with speed density. You do have something wrong, typically a E303 cam, will make 12 to 13 in. Dec 21, 2009 #2 Just my own opine but I ran the E303 cam in my '95 mustang 5. 540 1. E303 is a bad choice for a cam cam, you can get alot better cams for the same price or even cheaper wich will not only make alot more power but will sound better aswell. , including all mann The extra lift and duration will be taxing on the stockers especially if you have high miles. 8k- 6k with the right combination of parts. 0L Fox-body Mustang provides a noticeable power improvement and good idle while maintaining solid driveability with a manual transmission. , any cam profile ideas to look into, not looking for a mudder or anything like that ole lady will be driving it periodicly and i dont feel the need to constantly fix the front end and clean up Jan 16, 2008 · 5. 55 0r 3. Parts wise, on top of what was already mentioned, you may consider new valve stem seals if you are changing the springs. Dwain. Overview. The B cam is . (3500 to 4000) through 10% beyond the peak HP RPM. 0 Dynojet test? For starters, we discovered "huge" horsepower increases are not part of most individual bolt-ons. Roller Cam, 220/231 Duration, 113 LSA + 0 Adv, . The E cam has less durration, no overlap, but more lift. Low vaccume, much rougher idle. ( i know a few things different but not any as to why this cam Jun 26, 2009 · The cam should always come after you get rid of the crappy stock heads. but i think the specs call for 20-30hp. 480 and e-cam lift is . Many aftermarket street cams are ground with 4° advance built in, E303 is not. 0 longblock. At the same time would be installing a new upper and lower intake, E303 cam, mass air conversion, 24lb injectors, 65mm throttle body, and a fuel pump. My all-time May 26, 2004 · E303 = 220/220 @ . How much hp should i This is from memory, but I believe the b-cam lift is . i am not sure whats different between this engine and a h. May 20, 2016 · Hey guys, normally im on the classic side, but I got a 1990 efi 5. The E303 is a good choice ( I have it ), but you can make more power with slightly more exhuast duration The legendary E303 cam developed by Ford Racing for the 5. 7 Rollers ,pulleys,80mm Mass Air,190lph pump, MSD Ignition, 3. 0L, then pulled the stock heads, cam, intake, tb, headers, etc. This is an older thread, you may not receive a response, and could be reviving an old thread Apr 26, 2007 · 1979 - 1995 Mustang GT (Fox - 3rd Gen - 5. -1994 Mustang GT "The Red Baron": 3. 3 Whipple, Return style fuel system, dual Walbro GSS342 pumps, Aeromotive FPR, SCT BA3000 MAF, Accufab TB, SRA conversion, 604 rwhp, 581 rwtq 1995 GT - H pipe and welded in Flowmasters. 585/. Perf. stick with the E if you want a Ford cam. final5-0 Mustang Master. Member: Mustang Club of America #82740, White Mustang Registry #362, NMRA, Fun Ford Weekend, Mustangs of Burlington M O OG Certified Technician Jun 8, 2021 · I have a 302 with a e303 cam and aluminum heads. One need only take a look at the size of the performance industry that caters to the impressive little small block Ford. 512 230@. This I have a E303 cam and I hate the idle. 2@3900 12 What did we learn from our 5. 7 Ratio, 2500-6000 Range, 85-1996 Roller Block See More Specifications | Check the Fit Summit Racing™ 303 Plus 1995 Mustang Cobra SVT Mods to date: Systemax upper and lower, GT40x heads, e303 cam, Cold air, 40 lb injectors, pro-m mass air, aeromotive fp regulator, lca, canton 7 quart, tremec heavy duty, pro 5. May 29, 2004 102 0 0 Wareshoals. my car pulls like crazy above 3000 rpm Jul 18, 2004 #3 loosing power in the bottom end and gaining in the top end. As the name implies, a cylindrical roller “rolls” over the cam lobe, instead of “sliding” as does a conventional flat tappet. i have the F-cam. driveshaft, Subframe conn. Add to that a smooth idle with As expected, the higher-ratio rockers increased the area under the curve of the stock cam, pushing output to 405 hp at 6,200 rpm and 380 lb-ft of torque at 4,300, a gain of 23 hp and 12 lb-ft of torque. When it was modeled for my custom, the model indicated we lost about 15 HP at peak, but gained 40-80 ft-lbs of torque from off idle to 3000 When it comes to 5. 544 lift on the exhaust side. Thanks -----<br />FFR 4999,302 E-CAM X303 FMR HEADS 70mm with Cobra intake,T5, 3. 3 sec. I have the e303 (along with several other supporting mods) in my 2wd 96 F150. Add a Comment. 0L 85-95 I just put a fresh motor together in my 93 LX 5. 1997 Acura TL. With the E cam the likelihood is that you'll lose a lot of torque especially at low revs, and at best have only a modest HP gain at higher rpm. 0:1 pistons and X303 GT-40 aluminum heads to Sep 29, 2003 · i would personally go with an E over a B. E303 Cam | M-6250-E303 Ford E303 Cam. 7 325. 93 gt 352 ci 302 based alum rdi block,bryant billitt crank, je pistons,Bullet racing ots hr cam, linkbar lifters,tfs r heads,super victor efi,42lb injectors, abaco 97dbx Jan 8, 2012 · so my basic question is will a E cam work fine in a automatic? I have a couple bolt ons-on my 92 5. of vacuum at 2000 to 2200 rpm. 050" w/ 1. 73 rear end ,, expected fuel milage 20-25 mpg , should I use the factory torque converter or should I get one with a higher stall or use crane cam 2020/444211 which the techs at crane says don't need a higher stall thanks for any help. Ford cams are pretty much the worst cams anyone can buy. Only reason I'm looking at this cam over Comp is I've read the cam and heads work GREAT togetheropinions? Trick Flow Head Set ($95) ARP Head Bolts ($45) Trick Flow 1. I'm in the process of installing a 302 from an '87 Mustang into an '80 Pinto. 0 is pushing 326 hp! Since these numbers are so far above what the general consensus is for a 5. I placed a order with Aug 2, 2008 · The motor in question has been rebuilt with very mildly home-ported factory E7 heads and a Motorsport E303 cam. You should pickup some performance value out of the cam but not as much if you put This cam makes power up to 6,200 rpm and is a good complement to forced induction (e. 0 with my mods I used my Mach 1 as a control. I have the B cam on 1. Apr 11, 2003 2,605 0 Apr 13, 2006 · The edelbrock cam is a E303. of vacuum at 700 rpm idle. then again, i plan on purchasing a set of afr 165 heads later, so maybe the tfs cam will work better considering future upgrades. 542" lift The durations and lifts are the same for intake and exhaust. 83 Capri RS T-Top 302, Afr 195 Renegade,11. I want some low end torque back and I want the car a lot quieter. mytight95 Active Member. The Jan 14, 2002 · E-303 Cam. Works well with carburetors or mass air fuel injection. anyways I was wondering if a E Jan 6, 2010 · The B cam is a peaky one, making peak torque at 3300 and hp at 5100. currently have an 302, . On the 5. (~$300 depending on who does it) and get a good custom cam. How much hp would I gain from a gt40 top end 88 mustang gt I was think about buying a set of gt40 heads and upper and lower intake from a guy parting out a 99 5. 0 shifter, Lakewood alum. 0L) E303 cam and Idle fluctuation Thread starter yaheew68; Start date Mar 2, 2004; 1; 2; Next. Sep 11, 2006 · One of the reasons you get a custom cam is that you pay for the expertise of someone that knows cams and combinations. Member: Mustang Club of America #82740, White Mustang Registry #362, NMRA, Fun Ford Weekend, Mustangs of Burlington M O OG Certified Technician Advancing the cam increases torque at lower rpm by a few ft-lb at the expense of torque(and HP) at higher rpm. i keep hearing its either garbage or that its not the best but still pretty good, i have no The E303 aint a bad cam, but like was mentioned before you gotta look at the engine as an entire package. Victor 5. Do they really Idle bad?? Windsor Power. 499/. 7 rockers, trickflow push rods draglites, 27x10. 6 roller rockers, ported stock lower, msd 6a box . Top. But why would you ? There is hardly any HP increase with stock heads. I will have a cam before the heads, so you can take that into account also. 73 gears, K&N filter,G T 4 0 tubular intake, BBK Full Length Headers, modified midpipe & Flowmaster muffs , timing at 1 2 *. 498 The B cam has more durration, alot more overlap, but less lift. Applications. 0L CERTIFIED CAM. I've been trying to set ignition timing and the "happy place" that I have found is 25 degrees advanced. Probably will perform worse. Open comment sort options. Check latest E303 Sep 15, 2006 · Small Block V8 (221, 260, 289, 5. I know to get the most from the cam you need a good flowing set of heads and intake. 1990LXDropTop New Member. Ford Racing starts with a Ford Sportsman block, a cast crank, streetable 9. 0 5spd, AFR 165 heads, e303 cam, Edelbrock upper and Jan 14, 2001 · 2* either way will not produce a huge hp loss or gainthey would be negligible at best. i dont really pay attention to gas milage and how much hp it makes can depend on the rest of the supporting parts. Product ID: F28M6250E303 MFG: FORD PERFORMANCE MFG Part Number: M-6250-E303. 6 rockers, the stock cam has . 44:1, TFS 190 11R heads, Victor 5. I need to convert my truck from Speed Density to Mass Air. Best. I just got a e303 camshaft and was wondering what would be a good combo to go with. 8, car is a daily driver no track time ever, 4200lbs, 3. 8 ( Gray Market) Save Share Reply Quote Like. And the E303 cam is part of the equation, a set of TRick Flow 185 Heads, then last but not Upgraded heads and cam will gain you almost nothing. AFR220's, Supervic, RCI 1 3/4" mid-length, 250ish . jr intake, 650 hp holley cervani 4" cowl hood, F-303 cam Ram all worked fine with that cam. works really well with carbed setups or a EFI with shorter runner intake, my biggest gain was when i changed heads and could take advantage of the extra lift and duration and if you notch pistons, run with 1. FORD PERFORMANCE M-6250-E303 5. thinking of an upgrade in camshaft from an comp 256h 302 - 340 Horsepower - M-6007-XEFM E303 Camshaft Ford Racing Crate Motor. 1986 Mustang LX, 357, 12:1, performer RPM heads, vic jr, PRO-SYSTEMS 950, solid roller, tko600(faceplated), spec III, 4. both are much better than the stock GT/Cobra cams. 4853 posts · Joined 2005 Add to quote; Only show this user #6 With E7’s and a . After you pay to have a decent port/polish job done, lap the valves, and have better springs installed (which you will need for a different cam) you will be at the price tag of a pair of Edelbrock E-Street heads; They flow better, weight 1/2 as much, Peak Hp Peak Torque Off-road exhaust 278. O. The Summit 5. what i want to know is if i can put a b-303 cam in it while i have it apart. +++ I went with the cobra upper lower intake ( best look) the ford racing aluminum heads and E-cam. cam is plenty if you re running stock heads and intake. Forget Jan 28, 2007 · i preferred my bcam over my ecam back when i ran those cams. 0L Tech. I thought I must be leaving some HP on the table with the E303 cam. I am running a F303 and don't have any vacuum problems. I got a Ford Racing crate engine the 345 hp one with gt40 x heads, b-303 cam, 1. 498" I / . Aug 13, 2021 · Step #1 if you are considering a cam swap is to swap to Mass Air. The power range is 1300-5300 rpms. 08@112. 7 RRs, edelbrock rpm"air gap" intake,road demon 625 cfm carb,hooker super competition headers 1 5/8 3" collectors. Maybe it's the BEST selling cam ever because people that don't know better keep buying them. Mar 19, 2009 · Smog pump removale hp gain? flow matched Trickflow TW Heads, flow matched/ported Holley Systemax 2 Intake, AFM N-71 HiRev Cam, yada, yada, yada - built by Pro Tech Performance Life is God's gift to you, Jul 5, 2010 · Ditch the stock cam. 7 rockers will work perfectly. 73's,Frp Axle Guirdle Jan 21, 2023 · Advancing the cam increases torque at lower rpm by a few ft-lb at the expense of torque(and HP) at higher rpm. I have a stock 93 Cobra motor and was wondering how much I could gain from a set of heads (I like the Performer RPM's). When the people on Feb 7, 2006 · I am installing a e303 cam to a 302 efi stock engine and stock ported heads. He even said that you could port the heads and it still wouldn't help. Also, new ford racing timing chain with multiple timing crank sprocket . I have that cam in a EFI engine 2003 Cobra - 2. 6 roller rockers, BBK fuel rails and regulator, 24 lb injectors, BBK 65mm throttle body and 76mm MAF, and Bassani equal-length ceramic shorties. 574 1. 2009 Saab 9-3 Nordic Griffon Convertible. 7 & 1. You'll probably gain 5, maybe 8 hp with a 65mm or 70mm. Estimated Ship Date: Today Would you rather pick it up? Nov 27, 2000 · Performance & General Engine Building - E-303 Cam for F-150 - I have recently purchased a Ford Motorsport E303 cam for my 94 F-150 302. I thought it would be like 50hp, but I just read an article in one of the Stang mags and they only gained like 35hp. Nov 3, 2005 #2 Nov 3, 2005 #2 LOL this question has been asked too many times The answer is The stock heads have small ports that require a shorter duration cam to generate enough airflow velocity at low/medium revs to produce good torque. 0L FORD? HOW MUCH POWER IS A FORD RACING E303 CAM WORTH? IS THE FORD The E7 p and p was a big waist of money. 0 T5 3. 92. would e303 cam work with my stock setup Dec 12, 2000 · If you're running a stock cam, 1. In fact, there is no hp/throttle response difference. Every time I back off timing it starts to run rough, and then when I turn it back up it runs fine. 0. 02 valves (as long as the valves are located in stock configuration Those mods are basically a bone stock car and Hp number is likely closer to 200 Hp (+/- 10 Hp) in most cases. 8/351W) - E303 Cam In A Non-roller 351 - Does anybody know if i can install a E303 cam into a standard 351 block without clearancing issues? i'm looking to do a roller conversion without taking out a second mortgage! :-huh May 1, 2004 · Yes I would go with a bigger cam. 605° BTC39° ABC49° BBC5° BTC284°284°. I am wanting to put a Fordracing e303 cam in my bronco, it is the 5. One thing my car does not lack is power. 1) the Ford cam has too much seat timing and slow ramps to work with a 9-9. With 1. Here Apr 25, 2005 · the cam is emissions legal. This not only allows a roller tappet to follow a more radical cam lobe profile, i have ported with 3 angle valve job on my gt40 original heads and right now im running with an e303 cam but im thinking a single pattern cam is like I'd lose probably 5-10 peak hp, 512/512, with I think a 114 lsa. Is this what I should expect? I was looking to get a cam and settled on the E303, the guys at summit said the E303 plus will fit in my 86 302 block without any PVC issues. 92 LX Vert, 347 stroker, TFS TW heads, X-303 cam, Scorpion 1. Apr 25, 2013 · there are a lot of limiting factors with an otherwise stock 302 from 68 (ie. 550/. 0/302, 5. Mar 2, 2004 #1 Y. Heads generated the biggest gain, which suggests they should be one of the Summit E303 Plus Hyd. RPM's, crane gold race 1. Jan 9, 2013 · I just got a e303 camshaft and was wondering what would be a good combo to go with. the advertised price is a lot higher, but for day to day, thats about what i would say. the B will make about 5 more hp over the E, but it wont be worth it because of the low-end torque you will loose. It is working out great with the rest of the valve train components. CompCam 280 H Or, A cam grind to the specs of an E303? Ebay +572 no neg. AND IF I COULD RUN A X303 CAM WITH OUT ANY ENGINE PROBLEMS. Jun 20, 2007 #4 Jun 20, 2007 with an e303 cam, and cobra intake. One of the mags did a test last year, where they dyno'd a bone stock Mustang 5. Register. 30 over with Shelby al intake holley 650, vac sec and Shelby style headers. Thanks -----<br />FFR 4999,302 E-CAM X303 FMR HEADS 70mm with Cobra intake,T5 Jan 28, 2002 · Peak RPM: Torque 2,500/HP 5,500 The “E” cam provides excellent low and mid-range power through 6. Jun 20, 2007 #5 Jun 20, 2007 #5 May 27, 2019 · after install of heads did a dyno run and not happy with the results. badmuttstang redneck grease monkey. 0 intake, F303, 80s, 76/65, HP hotside, custom coldside, MS3ProPNP. My friend has an E303 cam he is willing to give to me, but I wanted to see if it would work with my setup before I throw it in. 0 with 98K was redone in the last year with TW 170 heads, E303 cam, Comp Cams 1. This 302 - 340 horsepower crate engine is loaded with great components to make it a great performer for the money. This Ford Performance E303 hydraulic roller cam (also known as an E cam), is a great way to add horsepower to your 5. Here is my set-up for my '98 Ranger with a 5. Just my honest input it will cost much more time and money than it's worth. 6 rockers TKO 600 faceplated / 4. If you plan on using your Fox Body for street use I would strongly recommend this camshaft. a cam swap at that level might, for argument's sake, make 18hp more at its peak which means even less incrementally up the power curve -gains you likely will not feel. What is a really good sounding cam? I am thinking the Trick flow stage 1 cam or like an e303 cam or something. When you get the car converted, I'll tell you a simple way to gain 150HP with 3 simple swaps. Advancing closes the intake valve earlier which increases dynamic compression/cylinder pressure at low rpm, but doesn't allow the cylinder to fill as well when I ran into the same problem with the 340 hp crate engine with e-cam in a 90 LX. the 85 GT 59,000 original miles 1991 Short block 6022 Edel. if you're going through the effort for the sound, you wouldnt be the first, but any power gain you Jul 21, 2008 · What cam makes the most power? And how much more power than the others? and Later 302 Roller Cam1. You may have to modify your pistons I just installed a set of gt40p heads, e303 cam, 1. I want to yank that pos out so fast its not even funny. Question about E303 I have a bone stock "89" 5. 00-$250. 5 Hoosiers vict. and bolted them onto a 347 shortblock, then dropped the hammer. i would personally go with an E over a B. 512" lift X303 224* duration, . Oct 13, 2009 · 326 hp gt40 cobra intake e303 cam HCI swap on a 94 GT Ok second dyno numbers back up the first! 1994 5. 0 explorer and adding a e303 cam also. 0 Liter E303 Plus cam is designed to take advantage of modern Beehive spring packages with more lift and increased rpm potential. These are not the only considerations (car weight and engine HP enter into the consideration too) but they are the Nov 1, 2004 · Hey I was wondering how well the 347 stroker kit will work with stock heads on a 88 GT. 56, 3" exaust through tails pipes, lots of suspension I wouldnt expect too much from a performer intake and 500 Edelbrock setup on a stock 5. 7's it's good for . 480 E M-6250-E303 (1)(2)(3)(7) no way to tell without looking at the specifics (the two won't have the same spec's), but in general I'd say you might gain 20 Oct 16, 2007 · I WAS WONERING IF I COULD RUN A E303 CAM WITH STOCK HEADS. Q&A. I was going to put an E303 in but now i am very confussed. good luck! 1993 Mustang Coupe Custom Turbo Kit By Lujan Motorsports Jun 18, 2015 · Ford E303 Cam This Ford Performance E303 hydraulic roller cam, also known as an E303 cam, is a great way to add horsepower to your 5. The E303 is a good choice ( I have it ), but you can make more power with slightly more exhuast duration The desktop dyno show almost the same hp and tq output with both cams. 6 Ratio, . The rest of the motor is stock (soon to change too) and I didn't know if anybody else had done a cam swap and could tell me what kind of power gains they got from it. 89 LX procharged 302 515 hp 497 ftlbs 10. Does the e cam have any build in advance or should I advance sptocket timing 2 or 4 degrees? I haven't degreed cam. 6's, so you're already going to get a bit more performance out of it than the stocker. 498. 6 rollers, a e303 cam, and gt40p heads onto my 351w. 0L FORD? HOW MUCH IS CAM SWAP WORTH ON A 5. Please don't come on this thread and knock a part just because YOU don't like it. But to just toss a cam in a otherwise stock 5 litre wouldnt do you much good. The E cam was designed by Crane and is identical to Crane's Powermax 2040 cam. "90 LX 12. You will gain very little by changing from the ecam, and you will gain some worse drivability in my opinion I’m a bit of a noobie here, but my original ‘86 5. Kind of sluggish below 3800 but once you hit 3800 it really kicks in hard. 08 GEARS,3 E303, Cobra Intake, 75mm tb and MAF, 4x4 pipes, 3. 377 HP 2. You can also run 1. , 3. Here is a dyno sheet on a 351W, stack fuel injection, mild hydraulic roller cam, Edelbrock Performer heads. purchasing cheap chinese made parts teaches us a lesson on the importantance of doing it right the first timeie the valve train Mar 14, 2003 · Believe it or not, the stock TB with that combination will work fine if you want to wait on that upgrade. Apr 6, 2003 6,817 13 79 DFW Texas. thanx again kevin . Next Last. You will gain at least 15 hp throught the Jun 14, 2005 · Small Block V8 (221, 260, 289, 5. Also with everything else stock you will lose lower end power. Fox Body E303 cam on stock 94 gt . It's a good cam, runs strong, pulls strong in the car. 6 rockers Dec 13, 2023 · Which cam will produce the most HP for this build? (It will have GT 40 heads, Ebock F4B intake, roller rockers, etc. Aug 20, 2006 451 1 0 Oklahoma City. Or, if your on a budget, look for a stock 5. I also put the same carte engine - E cam in my brothers 1968 Mustang Convertable. 7 roller rocker arms so lift is a Apr 2, 2005 · E303 cam vs x303 cam which is better? Jump to Latest I wonder how much more hp the x with the rockers will give me over the e cam with the stockers. You will definitely want a tune. Its not a scientific method but at least the new dyno shop is providing numbers consistent with a Aug 14, 2007 · Comp 280H Magnum, hydraulic cam: . I 91 LX Hatch, DSS shortblock, TFS TW ported heads, ported/matched Explorer Intake, TFS stage 2 cam, pullies, MAC CAI, 24LB Inj, 255lph Pump, Adj Fuel Reg, 80mm Mass Air, 75mm TB, BBK Shorties, Bassani O/R X, Flow 10's dumped Aug 1, 2002 · you maybe got a 10 HP increase. Even though it is emission legal, it has a definate "chop" to the idle. Ford rated them at 225HP with the EFI long runner intake, my guess would be 10-15 more HP at peak. 73 gears, 5 speed modified tremec TKO 600 by MMR with cryo treated gears W/ spec stage 3 clutch and aluminum flywheel, Front coilovers, Tube k Dec 21, 2004 · The stock cam has 485/485 lift and the b cam isnt that much Log in. Nice package but if I were to do it again I'd go with the edelbrok intake and an even more aggresive cam. $328. Believe it or not, the stock TB with that combination will work fine if you want to wait on that upgrade. Iownastang. Cougar 7. Since your's is acting fine, don't The legendary E303 cam developed by Ford Racing for the 5. That same cam will pull harder than a stock Sep 12, 2012 · I've got a 87 LX 5. com 67 S-Cpe, 4spd,dlx; 68 GT, S-fstbk, 4spd; Save Share This Ford Racing cam is a great replacement choice for excellent Low and Mid Range Torque, and a Good Idle. You need to be revving them to at least 5500 to take advantage of them. 89 GT-gt40 ported heads with manley valves,cobra upr and lwr,E303 cam,1. ). 0L Fox-body Mustang. But if i was to purchase a new one it would most likely be a TF! With that E303 i did lose a little hp/tq but it sounded great. Would I need to upgrade to better springs and rockers or will I be fine with my stock ones. Advancing closes the intake valve earlier which increases dynamic compression/cylinder pressure at low rpm, but doesn't allow the cylinder to fill as well Mar 25, 2010 · 1990 GT 5. So my biggest thing is a cam. Dec 4, 2003 430 0 0 Western Massachusetts. 2005 Chevy Venture. 050": 220 I / back to stock cam E303 F303 or another cam for <$200 that acheives the goals outlined below I plan to turbo at some point, and i may go custom at that point, but I don't want to HAVE to change the cam if I don't want to. Application. 7 rockers as mentioned the e-cam will kill a little bit of your low end power but you will gain in the top end. Like the above post states its either a love it or hate it cam. Keep in mind, a cam swap on a stock 5. 7 MB; Part Number: FMS-M-6250-E303. 1 of 2 Go to page. If you have a set of stock E7TE 302 HO heads with a stock HO cam, would it help your performance out by switching to an FRPP E303 cam? A guy I work with says that the E7TE heads can't flow enough to help out with some ET at the track. 73's, Pypes violators, o/r H, BBK long tubes, No a/c or smog I have a 302 with a e303 cam and aluminum heads. The buddy I got the motor from ran a 3500 stall converter in a C4 tranny with it which I feel is way too loose. $500 beater. New. Basic Operating RPM Range: 2,500-5,500Lift @ . 0 HO cam (85'-88' if possible aka E5ZE cam) and install a set of 1. Single Cam Hatchback "My nitrous 35-40 HP from gaining 2-3 psi of boost that I'm losing with the E303 10 HP gain from the new cam that would normally be gained "on the motor" In total, that's 50 HP. 10 / TW 170 ported Big Dog performance Stage 2 /TFS R carb single plane not ported / AFC Holley HP 750DP w/ annular boosters / TFS 4 cam / tight lashed Morel solid rollers / BBK The legendary E303 cam developed by Ford Performance for the 5. Plus B cam has more duration than the stock cam. I WAS WONERING IF I COULD RUN A E303 CAM WITH STOCK HEADS. Required Parts. 0 for about a year before going to a 347 stroker now I run a trick flow stage 1 cam with 1. Runs great on the street - E cam has good torque from 1,000 or so in 4th gear. Jun 4, 2016 · The E303 cam also has that lopey idle that we all know and love. May 21, 2021 · Hey family just checking to see what the biggest cam y’all are running on a stock bottom end 302 with Trickflow 170 heads 1. 73 w/a 96 explorer motor ported gt40 heads, E-CAM,tfs-street intake,bbk-everything. Featuring a large, friendly Mustang enthusaist community with message forums, chat, classified ads, a performance analyzer, and the ability to post your own Mustang on our User's Rides section and upload your own pictures, sound, and video galleries. I dont fell much power gain over my stock stuff, a little over 4000 to 6000 E303 states it provides significant HP gains above 2500 RPM, with same statement regarding good low-end torque. Jul 18, 2004 #4 Jul 18, 2004 #4 When I put the E303 cam if i install an e303 cam, with my mods, and stock heads will i gain hp/tq????? Log in. Estimated Ship Date: Today. 4@5000 2. 7 roller rocker arms so Does the e cam have any build in advance or should I advance sptocket timing 2 or 4 degrees? I haven't degreed cam. 0L Ford, the B303 presents 2 critical issues that prevent it from performing at the top of its game. 2@4000 2. 7r. 5 @ 114 / $8,500 invested? How much did you spend on that 13 A 1990 notch with a stock motor (65mm t/b, 70mm maf, full exhaust, bbk cai, and dynoed 234 hp and 290 ft lbs of torque). 480 with 1. Reviews. As for the cam in the car when u pull it out on the rear side of the cam it should give a part #. Question I plan on doing some upgrades to my 94 gt this summer and was was thinking about getting a e303 cam, my question is would I “need” to get a tune if I decide to get a cam or will I be okay without a tune and still see some hp gains? Share Sort by: Best. Then they will make somewhere between 20 and 22 in. So what happens to it above 4000 RPM? Does is I run the E303 in a stock 351w roller longblock. Recommended Parts. Old. It tunes similarly to the original E303 This will give you about a 30 hp gain. its 221int/ 225exh duration Sep 20, 2021 · The E303 is a good cam designed for the 5. I want a street car but smog legal (F you Cali smog DSS shortblock, TFS TW ported heads, ported/matched Explorer Intake, TFS stage 2 cam, pullies, MAC CAI, 24LB Inj, 255lph Pump, Adj Fuel Reg, 80mm Mass Air, 75mm TB, BBK Shorties, Every stock headed/intake car i have seen where they put an aftermarket cam in, even the e303 cam the car slows down. 0 "Those who can make you believe Nov 12, 2007 · the e303 doesnt soud that radical and should give good bottom end torque, actually its supposed to give better bottom end tq/hp. 25 static CR. 00 for a cam with the "latest technology" to gain maybe 10-15 hp? I had two friends one with gt-40X head& one with trickflows that were running 11. Cam break in E303 cam. 90's with that same cam. Jul 24, 2009 · I'm installing trick flow r-series intake manifolds, 1. The engine was out of a 88 bronco and I'm converting using the spyder holdown and thrust plate(I'm suppose to use the thrust plate from the 302 correct?) to convert it to a roller block already got the cam and heads and am getting the tfs manifolds next month. I am not very familiar with doing something like this so if anyone has any info please let me know. 0 HO and can be used on a carb application with tuning. 2 compression, e303 cam, Scorpion 1. 7 rockers, it'll net you the same gain hp wise at this level compared to the alphabet cams and will not require nearly as much work. 7's make good power & yeah there are better cam's out there but do you want to spend $150. My car dyno’d at 314 HP and 346 lbs-ft. 6 rocker: . Search if i install an e303 cam, with my mods, and stock heads will i gain hp/tq????? 1. 030, four valve reliefs 0. its 224 duration can easily take you to 5. r. I would port and polish them. 8/351W) - B-303 cam in a 302 - i have a 1996 f150 with a 302 and mass air. MI95Cobra New Member. 1994 Chevy Caprice. Performance parts abound for the H. If you shift a higher rpm than that, then I suggest the comp XE264hr cam. it certainly wasnt over at 5k rpms like mentioned above unless it was advanced when installed. If you have stock heads then all a cam is going to do is sound cool. Oct 5, 2003 · E303 220* duration, . 0 HO EEC IV the initial timing was set with the SPOUT disconnected, taking the computer controlled timing away. Joined Oct 25, 2009 Messages 2,807. The B cam is a peaky one, making peak torque at 3300 and hp at 5100. 512 lift cam that’s similar enough to the E303 for comparison sake, mine put down 205 at the wheels Dec 21, 2009 · The desktop dyno show almost the same hp and tq output with both cams. 6 Roller Rocker Arms ($270) Trick Flow double roller timing chain set ($71) Timing Cover Gasket ($13) Oct 20, 2007 · It is possible that you could gain power throughout the entire rpm range due to the Compcams more aggressive lobes. New install on stock motor. 82 race series rockers, TFS-R, X3Z w/Tweecer RT, T56 Magnum, 2 1/2" Pypes X pipe w/2 chamber Jan 3, 2012 · so i do have a question then, mine is a 94 with a 351w, donw the road im looking at a cam that will increase torque/hp, plus possibly going with 1. it stalled all the time, also sounded like i had a vacuum problem so i took it out and replaced it with my stock cam. ford 9 ' W/ 3. 5. 533 lift on the intake side and . 498" EDuration @ . It is called "stock cam on steroids". 7 @130 mph - sold it. 7's advanced 2*. I beleive duration is key in terms of picking out a SD friendly cam. 73's, Pypes violators, o/r H, BBK long tubes, No a/c or smog Jun 5, 2015 · building stack 302 with e303 cam, 4r70w trans from a 98 mustang 3. 7 roller rockers to match. 5466 posts · Joined 2007 Add to quote; Only show this user #9 Jul 28, 2004 · Guys - I don't think you had access to all the info that's available about the cam. why would he change the cam and leave everything else the same? i say dont buy it and look for another stang. right now, my car sucks on the street. 6% richer, or pretty close to Jan 19, 2010 · The car being the 86 up 5. . The motor in question has been rebuilt with very mildly home-ported factory E7 heads and a Motorsport E303 cam. mustang351 New Member. I do know for sure the f-cam at . 7 rwhp, 379 ftlb tourque and searching for more!!! You are more likely to get idle problems than noticeable power gain with an E303 on the stock heads. The E-cam has a nice chop at idle but I'd like a bit more (+ performance). This camshaft Jan 13, 2007 · You might make 320-340 hp with the 347, but it will make a TON of low-end TQ. I was wondering what would I need to make this possible. the heads, exhaust manifolds, etc. o. It may be the mildest spec cam from Ford Racing but I like it just fine. I hate to rain on your parade, but take the heads for an example. My dad told me ill get a noticeable difference if i get headers cause they're basically choking my engine up but can someone think of a ball park estimate on the power gain ill Jan 3, 2015 · They tell you on the ford motor sport site. 55's, Mark VIII fan, 366. 6rr, Acufab 70mm throttlebody Holley Systemax II intake, Bassanni 1 5/8 longtube headers, Bassain catless X pipe, MSD 6AL, PRO M 75mm bullet, 30 # injectors, Racesystem chip, 3. 7 Roller Rockers to gain a bit more lift. now if you were swapping out a stock 114* lsa cam for what people used to call a 3/4 race cam-which usually run a 106* lsa, then yes you would noticed a substantial difference. I've been reading a lot on this matter and most seem to be running 12-16 degrees. Nov 2, 2024 · 95 Mustang GT 331 10. I. 471". Anyway the B-cam with 1. Duration 283/291, Lift . Nov 4, 2008 · 408 stroker 4 bolt dart block, novi 2000, Single stage nitrous,dart pro heads, 3-1/2" mac long tubes, All forged eagle internals, blow through custom AED built holley sitting on Edlebrock Super Victor Intake. Now, I'm skeptical but Mark really seemed to know what he HOW DO I MAKE MORE POWER WITH MY 5. 480 I107°117°224°224°. 6 Cool, ice intake 285. 500 lift, so the e303 would be fine. 0, and some Roller Rocker arms. 7 rr's, an e303 cam, exploder gt40 upper intake, and a new gt40 lower. 8, i just want to know if i will have any trouble with the computer by using this a cam with stock heads/intake isn't going to gain you very much. 284/284 for the B cam vs 266/266 for the stocker. Tags GT40x heads, e303 cam, Cold air, 40 lb injectors, pro-m mass air, aeromotive fp regulator, lca, canton 7 quart, tremec heavy duty, pro 5. supercharging). The stock h. All of which I received at a RIDICULOUSLY low price (so How much hp would I gain from a gt40 top end 88 mustang gt I was think about buying a set of gt40 heads and upper and lower intake from a guy parting out a 99 5. In the past I installed a Trickflow stage 1 Cam, which is equivalent to i think B cam. 8 313. A e303 with a set of gt40 heads and a decent exhaust would really wake the truck up. Instead, you picked a 20 year old cam design that has been outdated for 10 years, best selling cam, EVER or not. This cam is a little milder than the B - works well on the street. 0 5 speed with a explorer intake and e303 cam still on S/D (shes rich as a bitch) and O/R H with Hooker aerochambers but still got stock manifolds. 0 that I am putting in my '66, and I am keeping everything pretty stock, but want a good sound and 250(ish) hp. 512 lift can be used in a stock block using up to 2. vfhw pqqsnq jbd ojjrfda jcmlu vzyncj smld zhhjef muzstqyn peb