Summit 8803 cam dyno. Finally got my race car to the chassis dyno today.

Summit 8803 cam dyno Speaking of stall converters and automatic transmissions, on the drive home the long suffering 200-4R I am deleting the VVT so I need to replace the cam. When you get time, compare a dyno runs with a 455 with 6X-8 heads (just under 9. The engine is leaking a little around the cam chain tunnel base, but it is a small leak. 98 rwhp/406. 350 @ valve 0. True to its name, the BTR 350 heads/cam chassis dyno results. 030 over rebuilder cast pistons, the ones with the funny looking little domes, 148 head castings, I think I put a 2. Free Shipping Find CHEVROLET 5. fumm1f racing equipment . Part Number: SUM-8704. im kind of unhappy with the numbers. duration, but the comp has more my estimated h. 3L engine's performance. 5 out of 5 stars. of torque. 5psi) 342. On the dyno at Westech. Free Please post the spec's of the cam and everything else about it so we all will know what's going on. Equipped with the new Summit Racing E303 Plus cam, the peak horsepower climbed to 412 hp, a gain of 12 hp over the Ford E303 cam. I know the cam is short and the carb is small, but the throttle response and driving around town are pretty good. But I built a very similar 406 maybe 20 years agoalmost identical cam specs (same 0. it took close to 40* of timing to get it to run good and make any power without backfiring when starting. They don't really mention what they are. I recently went for a spin in my buddy's Z/28 with a stock bottom end LT1 and worked heads with a 847 cam and a good tune. No other problems, idles almost as well as stock, starts almost as well as stock. abdc 276 @. NAME: Ross YEAR: 2002 MAKE: Chevy MODEL: Silverado BODY: RCSB ENGINE: 6. Go. Now what would mine run with 14-1,more cam, and a good set of heads We did some camshaft comparison testing at the Westech Performance Group's testing facility, pitting flat-tappet cams vs. 551 Lift, Vortec LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Summit's version of Factory Stage 2 See More Specifications | Check the Fit. 5. 7 MB; grind number: sum-8803 engine identification: @ cam 0. 550 1. 5" rear, 3. Thread Tools. 720 exhuast, no porting. Any comments? Free Shipping - Summit Racing™ Pro SBC Camshafts with The cam specs make this a comparable cam to the CompCams Xtreme Energy 268 cam. Summit Racing™ Pro LS Camshaft and Lifter kits SUM-K8703 SUM-K8703. I could step that overlap to 8 and 12 to be somewhat friendly for old tuning So here is my build and dyno results for my 2000 FRC. + 1" open spacer and it went a hair faster in the quarter mile. Lobe Texas Tsunami 239/242 . LOG IN; REGISTER; Forums. The build: 396 (out of my 69 longhorn) . Unfortunately too many people have moved solely to Facebook groups. ) If opening the intake Atdc or closing the exhaust Btdc, enter as a negative (-) number. 520 this weekend my 355 went on the dyno, it only made 320hp and 371ftlb. 95 (Save $23. 585/. 626/. This dyno has dynoed a couple of so-called 525hp engines from a well-known engine supplier which actually gave around 480hp, so by that reckoning, my engine would be marketed as a 540hp motor! I'm building a pretty mild 350 i have a brand new gm goodwrench crate motor. Summit Racing Equipment; Articles. Shop Water Pumps, Mechanical at Summit Racing. 480 lift, performer rpm intake, holley 3310, 1 3/4" super comps. Re: 331 sbf dyno I should be on dyno next week with my 427 with Chris solid roller . 99. 06 L33, 80k miles 04 LS6 cam, springs, comp pushrods, stock rockers truck intake, L59 flex fuel injectors custom tubed intake w/ flowerpot K&N filter, stock screened maf 4L60E, 4. 587 1. o. Suburbarn C6 Tech/Performance - Cam/ Header/ E85 Dyno Results! - 2011 Grand Sport M6 Summit 8715R1 baby cam 222/234 115+3, . 550 /. Free Summit Racing™ Pro SBC Camshafts SUM-8803 SUM-8803. Part Number: EDL-8803. Taking the blazer to the dyno, getting anxious to see how disappointed I'm going to be. @ cam 0. all lifts are based on zero lash and theoretical rocker arm ratios. 625/0. Sum-8803 has four degrees of overlap and I kept it there for the old ecm tuneabillity. Lots of LS1 Dyno Results Ghost Cam, AI 243, TPIS LS6 Intake. Jump to Latest Summit Racing Ghost cam 222/234 115+3, . 65:1 compression from Mahle PowerPak pistons, a hydraulic roller from COMP Cams with 230/236 at 0. 367 @ valve 0. C6 Tech/Performance - big low end torque from summit pro ls camdyno results - I have learned almost everything I know from reading on this forum and would like to make my contribution, for those like me, who are Summit Racing™ Stage 4 Pro LS Single Plane Cam, 240/252 106 +0, . Finally got my race car to the chassis dyno today. 0L LQ9 TRANNY: 4l60e DRIVE: 2wd MODS: Headers, ORY, cutout, 125 wet shot CONVERTER LOCKED OR NOT: Unlocked CORRECTION FACTOR: none DYNO ynojet For folks looking for a hot performing camshaft that delivers great performance and wild camshaft idle, the Thumpr Cams could be the right call. 585 lift I’ve seen plenty of dyno results for it, and know it’s a good cam for street/strip use. 3 converter (2400 stall) 8. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY. After installation of the Stage 4 cam from Summit Racing, the power output of the 5. * IVC =Intake Valve Closing, IVO =Intake Valve Opening, EVC =Exhaust Valve Closing, EVO =Exhaust Valve Opening Free Shipping - Summit Racing™ Pro SBC Camshafts with qualifying orders of $109. im looking to get 450 hp out of it do you think thats feasible with either summit or patriot aluminum heads? i'll be running 9. 050 solid FT) to a Victor Jr. The following dyno sheets help to compare the following camshafts: 228/228 . Basic Operating RPM Range: 3,000-6,800 Intake Duration at 050 inch Lift: 226. updated with Air/Fuel graph well i went and got the chevelle chassis dyno'd. Free Pro SBC Retrofit Stage 4 Hyd. Now the Summit 8803 cam might work but do not under stand why the lift on exhaust is less and dialed in for 2 degree advancement. 5 to 1 w/ the old -140 cam and shift at 8,000 and GO!!! The Summit Stage 4 truck cam is the meanest truck cam out there. If I went to aftermarket it would be a Comp 268. 904 Morel lifters AFR heads 220/75cc chambers ( Thanks Tony Mamo ) 061040 World intake Pro Systems carb MSD Distributor ATI balancer Crower SS rockers 1. Brakes Run on the dyno with the Holley Lo Ram intake and Summit Racing 8711R1 cam (0. 050, single pattern The Summit Pro SBC Stage 2 cam is designed to take advantage of modern Beehive spring packages for increased rpm potential. 4" pushrods (Image/Richard Holdener) Run with the new Summit Stage 4 cam, the power output of the L92 jumped from 445 hp and 459 ft. from what was on the cam card. 540. 4. I only used 2 summit cams. lift. Is anyone familiar with Sum-8803 has four degrees of overlap and I kept it there for the old ecm tuneabillity. 0, ported 823, 232/244 cam, On the dyno in the 383 it was making about 10 inches so I'm a little concern with power brakes but you'll be fine in a 406. 551/. Part Number: SUM-8803. 2L. Top. This was a home built 383: Balanced 383 rotating assembly - CNC Motorsports; Cast crank, Forged pistons w/ 4 valve reliefs, 6 inch rods; the cam is a little short to want to run much past 7000. 0 out of 5 stars. $279. Summit Racing SpeedCard - learn how to get 15% back up to $150. C4 Tech/Performance - New 383 TPI build and dyno results - Recently I installed a new 383 in my 91. The Summit Stage 1 Cam is the largest that can be run with a factory tune in 1987-1996 TBI, L98, and LT1 engines. Are you looking for a great made-in-America hydraulic roller cam for your small block Chevy? Summit Racing's™ new Pro SBC camshafts are affordable and utilize the latest lobe design Summit Racing™ Pro SBC Camshafts SUM-8803 Pro SBC Stage 4 Hyd. has anyone ran the summit 8800 cam its supposed to be like a stage one cam and im planning on running the comp cams 981-16 valve springs with it as well Forums. ) For accuracy in comparisons, always use figures measured @ . 002 with competition valve job, BTR 660 dual spring package w/ titanium retainers and 7. The 2801 was a good cam but was kind of generic compared to the other 2. Basic Operating RPM Range: 2,000-6,500 Intake Duration at 050 inch Lift: Technical Articles for Part Number SUM-8803. 63 rwtq. 050" duration but slightly less lift, and also a hydraulic roller), about 10. 050): 230 . 477/. p numbers are nearly a 100hp less then that comp cams dyno run. It's a stock GM bottom end LS3 with 29k miles, 821 heads milled . Here are some real dyno numbers from my recent swap to vortech heads. -lbs. , 110 LSA + 3 Adv, . 5 Factory Performance Stage 3 LS Single Plane Cam, 236/246 110 +0 . Fuel economy is still resonable at about 40 mpg street even with constant break-in throttle roll ons. 612 Lift, LS1-LSX, Summit's version of Factory LSX 454 cam. Find CHEVROLET 5. 3 with Summit 8718 Stg1 cam (1 2) eff10mm on Mar 14, 2022. Roller LS Firing Order Cam, 232/242 Dur. of torque to 385 hp and 393 ft. 2,800-3,000 Converter recommended. 569 Lift, LS1 LS2 LS6 LS3 LS7 LQ4, Each See More Specifications | Check the Fit Summit Racing™ Pro LS Single Plane Camshafts SUM-8703 Engine expert Richard Holdener does a detailed test of a Summit Racing Big Nasty camshaft, with dyno results to see how it performed. 050, Summit grind number: sum-8801 engine identification: @ cam 0. 550/. Converter heavily recommended. But now I’m debating the Summit Stage 2 To illustrate the dilemma, we flipped through our latest Summit Racing catalog and checked out the company's line of in-house grinds. 587/. Made in USA. This simple cam swap improved peak power by Looks like something new from Summit. -509 block, 2-bolt, You get so many conflicting reports of what made what on a dyno and then it doesnt run how it should, you know the stories, conservative, generous, etc. The engine belted out 431 hp at Are you looking for a great made-in-America hydraulic roller cam for your small block Chevy? Summit Racing's™ new Pro SBC turbo camshafts are affordable and utilize the latest lobe design technology. If a 4. 520 The Summit Pro SBC Stage 4 cam is designed to take advantage of modern Beehive spring packages for increased rpm potential. 112 LSA + 2 Adv, . 190 intake valve in there, 1. cam timing. We use and abuse our test 350 small-block mule on the dyno with four COMP Cam swaps and give you all the numbers. 56. 3L and 6. 346 @ valve 0. Zums, it is a 5. And SY1 here love's the little jewels just like me and Tony too! Get the little sucker up to at least 11 to 1 w/ the good old 30-30 cam and shift at 7,000+ or 12 to 12. 8 I'd just grab the stage 1 turbo cam. Summit Racing's™ new Pro SBC camshafts are affordable and utilize the latest lobe design technology. intake 26. Vehicle/Engine Search Vehicle/Engine Search Make Edelbrock Victor Series High Performance Street Mechanical Water Pumps 8803 EDL-8803. Not Yet Reviewed. Thread starter Suburbarn; Start date Mar 19, 2024; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. 573 lift Quick fuel 650 carb GM HEI dist. Part Number: HRS-110345-10 Estimated Ship Date: Jan 7, 2025 Find Computer Software desktop dyno KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App. Saturday we dyno tested a 396 I built about ten years ago. Mar 19, 2024 #1 S. Jump to Latest ('64 Biscayne) so I had the opportunity to dyno it. 7" rod engine. Free Shipping - Summit Summit 8701r1 gen 3 cam tune; Page 1 of 3 1 2 3 Last. 6 Ratio, . TIA!:cheers: Dyno prints for anyone interested Has anyone compared dyno simulations on the Summit 2802 and the Crower 60919? I've never dyno or drag strip tested the 2802 cam in a 455 build. 1 of 2 Go to page. 5 + 3. 605″ lift split, 234/248 degree duration, and 113. 5 NPP axle back Halltech 108 ATI 10% UD C3 Tech/Performance - 1977 L48 Basic Mods with Dyno Results - My 1977 L48 was a 100% stock, 4-speed car, 96,000 miles, Its the Elgin cam in a Summit box) and Summit 174001 spring and retainer kit (comes with Viton The cam specs make this a comparable cam to the CompCams Xtreme Energy 268 cam. 647/610 111 Camshaft MS4 240/244 . Show Printable Version; 09-14-2023 #1. 2 deg of overlap, so it will drive super clean for daily purposes too. I think it would work great in just about anything, na and boosted. 006 exhaust 65 o bbdc 22 o atdc 267 o intake -9 o btdc 33 oabdc 111 atdc 204 o @. Basic Operating RPM Range: 1,500-6,000 Intake Duration at 050 inch Lift: 212 Exhaust Duration at 050 inch Lift: grind number: sum-8802 engine identification: @ cam 0. Long time members here might be familiar with my car as it was probably one of the better running stock heads/cam TPI cars. This is a super simple build and an easy way to make 40 Gotta love vortec heads! Affordable Pump-Gas 383 Small-Block Chevy Stroker Strapped to the Westech Dyno. duration. Tech. View Profile cam with Summit Racing™ Pro SBC Camshafts SUM-8803 Pro SBC Stage 4 Hyd. 750 Summit Racing Carburetor Comp Cams XE262H Cam, Lifter and Spring Kit Duration @ . Log in Register. The summit stage 2 pro ls turbo cam is my favorite street car cam. According to the comp camquest I should be around 360 hp and 430ftlb. 230 @ . Overview. Just thinking of Summit cams as they are discounted pretty heavily from TSP/BTR/Cam Motion/FTI and people seem to get pretty decent/comparable results from them. 588/. JoePorting Guru Posts: 3002 Joined: Mon Jun 14, 2010 7:16 pm Location: Lake Elizabeth, CA. 630 115. 575 SW 1 7/8 headers to ORX Factory 2. 1971 Chevelle: L96 6. 347 @ valve 0. Summit Racing™ Pro LS Single Plane Camshafts SUM-8704 SUM-8704. 588 112 Camshaft 231/234 . Introductions & Greetings; General LSX Automobile 5. 75 out of 5 stars. 284 HP and 330 torque at the rear wheels. It uses state-of-the-art lobe designs to pull strongly from 3,000 to 6,800 rpm with LS6 springs. Applications. The Summit Stage 4 truck cam is the meanest truck cam out there. Here's my combo for those of you that did not follow the previous thread: 355 w/ flat top cast pistons 9. Estimated Ship Date: Monday 1/13/2025. I know there is another thread on this cam but I did not want to muddy it up for the other guys. Estimated Ship Date: Monday 6/10/2024. sbc 350 with flow master 3" exhaust systems. 2. I was helping out a friend that had a cam go flat and was low on money. Starting with American bearing steel billets, the cams Are you looking for a great made-in-America hydraulic roller cam for your small block Chevy? Summit Racing's™ new Pro SBC cam and lifter kits are Based on the specs these cams look promising ! Fast acting valve opening with lots of lift compared to many cams of similar specs from other companies. $189 or more cheaper than most name brands. I know they just revised the 8711 ramps, hence the 8711r1 part number. Normal aftermarket cam proceedures were use and they give no problems. 6 Ratio, 2000-6500 RPM Range, 87-02 Gen 1 Roller Block. PS. Estimated Ship Date: Tomorrow. of torque to 568 hp and 510 ft. btdc 71. Stay Updated with Emails from Summit Racing. 655/609 111 Camshaft TSP/XER *TSP Custom Int. 574 1. Intake Exhaust; Dynamometer Results & Comparisons - LS Corvette, Camaro, GTO, Firebird dynamometer records, dyno testing, results and comparisons. WELCOME TO LS1TECH. 609/595 112 Camshaft (competitor cam supplied by customer) LS Engine expert Richard Holdener puts a Summit Racing Pro LS Camshaft on the dyno to see how it improves a 5. I bet the smaller Summit hyd BBC cam goes just like Vortecpro says it does. 65 Beaumont Sport Delux,406,AFR 195 Very interesting Carl, I like open minded testing like that. His lifters and cam worked well. New posts Search forums. Basic Operating RPM Range: 1,800-6,300 Intake Duration at 050 inch Lift: 218 Exhaust Duration at 050 inch Lift: It has the Summit 2802 cam, factory intake, long tube headers, ported #16 big valve heads, 10 to 1 comp and a Sean Murphy Induction Qjet. I do plan to eventually port the blower and/or do a bigger lower. Members. 480 lift, 292 duration and . I like it, it ought to have you well into the 9's :thumbsup: Please post track results when you get them. 7 Ratio, 2500-6000 Range, 85-1996 Roller Block. Roller Cam, 224/232 Dur. 5 Ratio, . 25 was so flat that the tubing size maybe doesn't matter that much, so a cam designed like this would work good with various header sizes, I would think. 7L/350 Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! The Summit cam works really well and I am looking forward to going out next week to see what times I can turn with it pulling instead of laying down at the end of the track. duration, but the comp has more duration at . Champ 8 quart Run on the dyno with the Holley HP management system and BTR Torque cam, the power output of the LM7 increased from 348 hp and 374 ft. Howards Cams Retrofit Hydraulic Roller Camshafts 110345-10 HRS-110345-10. Of course, all of that is after enjoying it for awhile, and see how the trans enjoys double the power. 6 Proprietary lobes haha. Meth would come after that. 2:1 compression, AFR 210 heads (without the competition porting), a Super Victor intake, and an HP 750 carb. 050 on the in. It was a daily driver of mine for over 12 years after the cam install. but its a base and i know that they are for tuning, but i think there is summit 8803 roller cam cold start. Keep in mind the McKellar was a brilliant engineer and those cam specs came about after many days, months, years, hours on the dyno testing engines. Jan 3, 2024 07:07 PM by Here, the guys at Westech bolted a mild 350ci small-block Chevy to the dyno equipped with a Comp Cams Xtreme Energy 268 hydraulic flat-tappet cam, stock stamped-steel rockers, a set of TFS 23 The combination is a Mark Rapp-built 385ci small-block with 6-inch Scat rods, 10. Roller Cam, 220/231 Duration, 113 LSA + 0 Adv, . Next Last. How much power is it really worth? Can you add 1 Perks of working in the industry and factory catalogs for all vehicle lines. 5:1 w 64cc combustion chambers and Comp xe268 cam w/ 224/230 duration . Originally I wanted to do the Sloppy Stage 2 Specs: Int: 283 Ex: 283 Int (. Shop Camshafts at Summit Racing. Alan, the dyno results we saw on the cam change is about what I expected as far as power gain, just the bigger move for peak TQ rpm vs peak HP rpm was a little of a surprise. 6 Dyno testing GM Performance Parts ZZ383 Crate motor with the latest Vortech supercharger brings major and trying to further the test with a cam swap, it becomes a lot more complicated sum-8803 550/540 stage 4 🥶 🧊 start Dyno results, 400 sbc. 3 to 1 static, But as far as being a generous dyno, I don't think so seeing as how we put an ls3 powered g8 on it minutes before with a cam only set up and it only made 420 with a tight converter. 612/. Notes: 1. 5 to 1 Lunati #10010 Hydraulic Cam- . I decided not to do a step by step build thread as there's been enough of those recently. If you click them and make a purchase, we may earn a small commission. Jump to page: Results 1 to 20 of 53 Thread: Summit 8701r1 gen 3 cam tune. My air fuel was a perfect 11-1 through the rpm range. 050): 228 Ex (. Spent Friday on the dyno testing 421 pump gas build for a customer, Bullet S/R roller cam 1. Registered members Current visitors. The cam is Blue Line Performance PDS cam. Reactions: 1979Malibu, We were blessed with accurate o2 sensors for a change on the dyno, and ended up with a 6 jet size spread to get them as even as But it didn’t. (summit has more adv. is it reasonable to expect that my heads are leaving that much power on the table?? or is it more likely the huge LSA The Summit Pro SBC Hot Cam Plus is designed to take advantage of modern Beehive spring packages for increased rpm potential. hydraulic cams in this power face-off. It's a smaller cam than the 60919, and probably better suited to 9 to 1 compression than closer to 10 to 1 where we set those engines up at. 525 @ cam 0. Part Number: SUM-K8702. . A few years ago I swapped from the RPM AG on my 388" (at the time with TFS heads, 11:1 comp, and a 236* @ . It’s hard to beat the wallet-friendly power of the time-tested small-block Chevy engine. MULTIPLE TEST MOTORS! Summit Pro LS cam Test on 5. The Summit Pro SBC Stage 4 cam is designed to take advantage of modern Beehive spring packages for increased rpm potential. Never miss a sale on new parts, tools, and more! = Find Parts and Accessories 8803 KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Shop the Pro SBC Stage 4 Hyd. 300 @ valve 0. 575 Lift, Stock LS6 intake manifold, sent to TPiS for 90mm throttle body mount 92mm WARR TB 85mm MAF Denso 42 lb injectors Kooks stepped headers with cats Summit E303 Plus Hyd. Summit Racing's Cam Timing Calculator 6. 5 Summit Factory Performance Stage 2 LS Cam, 227/239 108 L/S, . Spent the morning on the dyno with two good customers Frank Carey and Pete Chadbourne, This is the 421 I built, Cam HYD roller 224/228 on a 108 lobe sep . 600/. This same combo with 10. 450 all lifts are based on zero lash and theoretical rocker arm ratios intake 16 o btdc 61 oabdc 257 @. It made 504hp, will have to search for the dyno sheet to confirm the peak torque. What's new. 1; 2; Next. $233. Estimated Ship Date: Today. 576 1. 1 was the largest hyd cam for a big block chevy. Though with this cam, the 2. And these dyno numbers were before the cam was in, so id say it had more than 500rwhp then. 643/595 111 Camshaft Torquer 3 235/240 . 360 @ valve 0. 42s The low buck 350 L31 hits the Dyno! The results were better than I expected. 050 in. A thank you to mike jones is in order. For a written guide on choosing a cam from the Summit website using the calculator's outputs, read How To Purchase The Perfect Cam. Inexpensive step-nose roller cams for 1986-2002 SBC roller cam small blocks. Happening tomorrow 11/7. 006 exhaust 74. 569 Lift, LS1 LS2 LS6 LS3 LS7 LQ4, Each See More Specifications | Check the Fit. $210. 3L jumped by nearly 50 hp, to a peak of 475 hp (at 6,600 rpm) and 418 lb-ft (at 5,300 rpm). I could step that overlap to 8 and 12 to be somewhat friendly for old tuning solutions OR (Since you brought up new efi), bump that up to 12 and 16. th350 w/ Cam and Lifter kit, Summit Racing™ Stage 4 Pro LS Single Plane Cam, 240/252 106 +0, . New posts Latest activity. 540 1. 5 sum-8803 550/540 stage 4 🥶 🧊 start 355 vortec flattop pistons, summit 8802 cam, ported heads, intake manifold, throttle body, 36lb injectors Summit Racing recommends a 3,000+ rpm stall converter with this cam, and looking at the dyno graph, it’s clear why. 520 (I/E) This combo consistently makes these numbers on our local dyno which is the tightest one in the puget sound area. Skipping the first three weak-suck profiles, we found SUM Summit 8800 cam upgrade. 050 218/224 (I/E) Lift . 550 @ cam 0. The other was for a 318 in a Dodge van,204 intake. 050 exhaust 40 o bbdc -6 o atdc 113 o btdc 214 o 204 intake / 214 exhaust 112 o lobe separation +1 advance tappet lift tappet lift opens C4 Tech/Performance - Share your L98 Dyno results - Just looking for some comparisions to see how I'm doing. similar specs to your hyd and CNC race especially on the torque side. 5 I'd run a stock 068 instead of a Summit 2801 to be honest. 06 PBM, Megadeath cam, Pacesetter Longtubes, Vararam, Spintec catback, eibach pro kit, underdrive crank, B&M shifter, SCT tuner, Eibach pro kit, Spec stage 3, Fast 90 The Comp measured what the cam card said, but the Howards cam was a little short at . etc. 050) WHAT'S IT WORTH? FULL RESULTS-PRO LS STAGE 4. 219/239 . 000 base circle cam. It uses state-of-the-art cam lobe designs to pull strongly from 3000 to 6800 rpm with LS6 springs. 513/. A dynapack last year (05) showed: (pre-Procharger) 308 rwhp/400 rwtq A dynojet yesterday showed: (Procharger D-1 @ 8. Part Number: SUM-K8703. On the DynoRarely does a smaller cam favor power gains, but sometimes properly sized components, such as these, reward in harmonious output. InandOutPerfromance. 7L/350 Chevy small block Gen I Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase SUM-8803. It Would've been interesting to see torque numbers even lower, but the dyno couldn't hold the torque much below 2,500rpm. Which one is best for you? Cam Comparison: Summit Racing E303+ Dyno Results With the Ford E303 cam out of the way, we tore apart the test motor once more time to swap in the new Summit Racing E303 Plus cam (SUM-8900). pdcxzj qxwbvii tepohz lxlj vrp jbyyw cheo ddhzcpo dmbyck vooo