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Comp cam xe262h dyno. Tested with Chevrolet 350 Small Block Bore+4.
Comp cam xe262h dyno. 875" primarys to 3. So that means it was ground to work with 8. This is on a rebuilt 350 sbc running a Vortec top end setup. It runs great on 96 Octane by mixing 12 gals 93 to 3 gals of 110 octane. is there any reversion risk with comp xe262 cam? Nov 3, 2018 · Comp CAM XE262H Pontiac - StreetYou need to put up your useless Google'd up information on these topics then sit down and STFU since it's obvious by your last response you've never built or tuned any of these engines using the camshaft mentioned by the OP in this thread. 55 valves or 3) performer rpm intake, comp cam xe262h, 289 gasket matched heads, w/ 1. just a . Added Comp Cams XE262H-10 "Xtreme Energy" hydraulic flat tappet cam. Look at the duration split. Jun 28, 2016 · I'm trying to get some real world feedback from people actually running the Comp XE268 in their car. After installation of the COMP XE262H (non Oct 5, 2014 · 335 Series- 5. I know the VooDoo 268 beat the XE268 by 10ftlbs at 3000, 16 BHP at peak, and then at 5800, as both cams were going down, we have 28 more BHP than the XE. Apr 15, 2010 · Anyway I now have to replace a defective Cam Research cam & lifters (previously I had to replace the defective springs I got with their cam & lifters as the motor would not pull 4,000 RPM on the dyno & had severe valve float). Tested with Chevrolet 350 Small Block Bore+4. , headers, Comp Cams XE262H cam with 218 intake and 224 exh Dur @ . Mil spc-7 Sep 14, 2018 · Comp cams XE274H & 455 dyno results Pontiac - Street Comp CAM XE262H Pontiac - StreetJim hands book. This place seems to have a lot of knowledge about 400 Fords. 340 cam is pretty mild cam. com My 68 firebird 400 HO convertible Restoration Gallery Reply With Quote silverbullet07 # 42 10-25-2018, 12:14 PM "QUICK-SILVER" Ultimate Warrior Nov 3, 2018 · Comp CAM XE262H Pontiac - StreetYou need to put up your useless Google'd up information on these topics then sit down and STFU since it's obvious by your last response you've never built or tuned any of these engines using the camshaft mentioned by the OP in this thread. Torque was up by 6 ft/lbs. 6 liter owners out there who already have PI heads in place. So your thinking I am more in the line of 9. This Comp Cams 12-238-2 SBC XE262H Xtreme Energy Hydraulic Flat Tappet Camshaft fits the 262-400 Small Block Chevy from 1958-1998. The lunati voodoo series cams will shut down the valves easier then the comp cam. Grind Number CS XE262H-10 Description As difficult as cam swaps are on modular motors, what better way to illustrate the differences offered by six different cam profiles than to perform six different cam swaps on the engine dyno? These Crower Stage 2 cams offered a sizable power gain over the stock ’03 Cobra cams on a Kenne Bell supercharged 4-valve. The cam that Mar 27, 2007 · the XE262H was 361 torque at 2500 rpm and 381 torque at 3500 rpm, so the XE262H will give you 17 more torque at cruise and 11 more torque on acceleration. So you will notice a difference between both camshafts in terms of power. Sep 20, 2004 · Comp Cams High Energy 260H or Xtreme energy XE256H Pontiac - Street Jan 17, 2006 · 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 Comp Cams FB XE262H-10 CAM / KITProduces Better Throttle Response Produces Top Engine Horsepower Delivers Increased Engine Vacuum 1 Year Limited Warranty Ford, FE, 352, 428, Super Cobra Jet, SCJ, Cobra Jet, Mustang, Mach 1, Shelby, 332, 361, 390, 406, 410, 427, 428, Truck, F100, F150, Ford Truck Strong torque, excellent throttle response. 462" /. 020" over, block decked- pistons 0. Below is some data and a question at the end. i was thinking the xe262 would be better for me but im no Explore COMP Cams' range of high-performance camshafts designed specifically for Ford engines, enhancing power and efficiency. 464"/. That SE cam compared to the other will give you a little higher torque curve and a tad bit more power on the top, 'but likely be a bit weaker in the low and lower mid range. So I was The Comp Cams Stage 1 Xtreme Energy Camshafts will appeal to the '96 to '04 4. I know nothing about this stuff so trying to crasp all this info with most suggesting cams for high rpm and track vs low rpm you see on the street and my needs of finding a cam work with my compression, exhaust and easy driving. 050". I, thought you guys might find it Interesting for comparisoning Dyno curves and the only article that includes. Jan 17, 2008 · The testing was done in the summer/fall of 2004, I left all data behind when I was fired. ? It seems to be taking on a cult status in this forum. I do get a little valve train noise with this setup. The following is the build: Stock bore, stroke, comp 390 Cast Iron C8AE 4V intake Cast Iron C8AE log manifolds with 2. More often "overlap" should be spoken about. Find the perfect fit for your vehicle. Let's just talk cam basics. Comp CAM XE262H Pontiac - StreetJim hands book. Dec 21, 2019 · Advice? Comp Cam 21-223-4, 268/289 XE Comp Cams dual springs Howard's 91711 lifters W/ oil holes OEM Rockers Motor: 1973 440, Std bore, Std crank, flat top pistons w/no reliefs 452 heads, mild port 6 pack induction 4 speed headers (or '69 HP exhaust, have both) Camshaft Specs: Hydraulic Flat Tappet RPM Range: 1600-5800 Intake Duration: 268 . How does it sound to will it have a good lope to it atleast be able tell it has a cam in it. All cams boil down to Area-Under-The-Curve, and Reversion Dec 9, 2013 · Great cam but I would probably upgrade my valves to 2. 490" Duration: 274°/286° RPM Range: 1800-6000 12-246-3 parts at JEGS. Finally May 29, 2005 · C3 Tech/Performance - Dyno Results: Disappointed, but must stop - For those who have been following my problems with timing/carb in the other thread, here is what happened at the dyno today: They checked the timing before the first run, it was at 18 and 28. 6L 2V Cam Test-Stock vs COMP XE262H (Chassis Dyno) Hardly a stellar performer with the stock cams, the modified 1998 4. The XE262h is listed for use with a stock converter so that may be your best bet if you don't plan on changing it. The cam change resulted in a huge increase of 53 HP. I suspect now you can ease the clutch out at idle, in low gear, and crawl along at walking speed. The engine shop was a bit disappointed with me though. 462/0. Speed pro L2291F pistons, C1AE-6090A heads rebuilt, C6ME block 4. Nov 1, 2018 · Comp CAM XE262H Pontiac - StreetGuess we need to know how you want the car to run and drive before choosing a cam. 71 Comp CAM XE262H Pontiac - StreetJim hands book. 75-1. 25:1Compression ratio Apr 29, 2011 · C3 Tech/Performance - Dyno results for Comp XE268H - I am posting this data for others who are considering this cam and how it will result in rear wheel horse power and torque. 469 lift, 110 deg LS. This is on a standard engine rated at 9. 470" Duration 262°/270° RPM Range 1300-5500 Includes Cam and Lifter Set Notice: All flat tappet cams require break-in oil and the use of oil additives. Oct 4, 2004 · I've had the XE262H in my 302 for about 3 years now and am pleaed with the overall perfomance as my driving is street and long distance highway cruising. I currently have the distributor set up to max degrees cent. Maybe even advance the cam? Hear the sound of the XE262 cam idling with open headers before the exhaust gets put on. Mil spc-7 Jan 10, 2011 · Good evening. The bog happens when you stomp it to WOT, even at speed. Mar 13, 2003 · I'm trying to decide on a cam for my 383 (S/R Torquer Heads 67cc, 2. Nov 3, 2018 · Comp CAM XE262H Pontiac - StreetYou need to put up your useless Google'd up information on these topics then sit down and STFU since it's obvious by your last response you've never built or tuned any of these engines using the camshaft mentioned by the OP in this thread. 513/. 520 ,110) They said I would not notice very much difference between the two cams. Shop Camshaft Kits at Summit Racing. However, the cam spec's look pretty stout at 226/230 with . 1955 SEC. 3 to 1 compression and professionally ported 250cfm #96's. Cams XE-262. The cam that came with my rebuild kit is a Comp Cam 255DEH. I am new to the forum. W/ a bad head/intake combo for that cam. The Jan 8, 2017 · I'm looking for feed back on the Comp Cams XE262 as compared to the popular XE268 in a 340. (TCI) 2000rpm stall. 6/400, 351 Cleveland - Experience with Comp XE262 cam - Hello, I am new to this forum. -Stock 4v intake w/ Edelbrock 600 carb. The cam looks to be a good match to the intake and carb. Was it Tim from Bullet that replied to you? If so he has been Jun 22, 2014 · torn between three different engine options- 1) performer 289, comp cam xe256h, 289 gasket matched heads, stock valves (1. Nov 20, 2020 · The reason I chose to use Comp Cams is because I am running Stealth Heads from 440 Source and after talking to them they recommended Comp Cams and that is what they carry. Apr 28, 2025 · Looking at my magazines, I found this old article comparing 4 Comp cams (252, 268, 280, 292 High energy flat tappets). 541 . The less lift the less wear on parts. Dec 23, 2017 · General Q & A - sbc: comp cams xe262 reversion risk? - HI, building mild 350 with pocket ported 997 heads, 9:1 comp, edl air gab, glm exhaust manifolds. 3 CR? __________________ 68 400 HO 4sp Convertible Firebird400HO. 100 depth cut. 55 valves Things that will be done no matter which combo I go with- 600 cfm carb screw HORRIBLE cam choice for those engines, and the XR276HR cam is even worse as it's more effective than the XE268 flat cam. is reading this, he was in charge of the dyno-testing and may be able to supply the results. My question is what kind of timing set up is working good for every one who has this cam. (Need to get a new intake) -Duraspark dist. So to me, the 256 ain't even on my radar for a 318. For what its worth, I ran the numbers through the desktop dyno. I am also considering a custom Cam Research cam. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. 462"/. I will install Cloyes adjustable cam gears and TFS adjustable crank gear to help reach the cam card specifications. 6:1 460 0. 8/351M, 6. 1,66"ex Sanderson Header rear end Comp CAM XE262H Pontiac - StreetJim hands book. 302 crate, E303 cam, GT40 cast heads, Holley Street Avenger 570cfm, Weiand Stealth intake, Hooker Comp headers, Mallory dual point distributor, Tremec T5-Z, etc. But operating range sounds low at 1000rpm?? Anyone running any of these cams? Cam XE256S XE262H Duration 218 / 224 218 / Mar 4, 2005 · Randy- As you ponder a crate motor, here's my results (dyno run on 5/13/04 at Kieth Craft, Plano). If i could work out how to post my dyno sheet i would. 060, Performer intake, stock 76cc heads, Headman Here's an interesting comparison of the XE262 to the XE268. Dec 10, 2004 · C3 Tech/Performance - Lunati Voodoo Cams - Whilst surfing the usual sites and rebuilding my engine in my mind many times :D , I came across the new line of Hyd flat tappet camshafts from Lunati. . Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. XE262 hyd. 25:1 CR. 030 over flat top plan 1 is to buy the whole cam kit and use the closed chamber 063 heads with new springs and retainers. 5:1 tri-Y into H-pipe resonator's then flowmaster 40's, all in 2. Fits Ford Small Block Engines originally equipped with "Old" firing order and 351 Windsor engines with the "Windsor" firing orderThis Part Fits: Year Make Model Submodel 1981-1993 Ford Bronco Custom 1985-1995 Ford Bronco Eddie Bauer 1981 Ford Bronco Ranger XLT 1990-1995 Ford Bronco XL 1982-1983 Ford Bronco XLS 1984-199 Jun 3, 2007 · The cam really comes on from 2500 to 5800 RPM. The engine would be a 390, 9to1 CR, stock heads, stock iron intake and exh manifolds, stock ford 4bbl, with dual 2 1/4 low restriction exhaust system. Nov 3, 2018 · Comp CAM XE262H Pontiac - StreetJim hands book. 5 exhaust & summit welded mufflers Comp Cams XE262H cam modified 1850-2 Holley Autolite dual point Thanks, Nathan "Chaps Pit Stop USA has Camshafts and Valvetrain like COMP Cams Oldsmobile V8 Xtreme Hydraulic Cam XE262H-10 at low everyday prices. Aug 21, 2015 · Mike had run a Comp 280H Magnum flat tappet cam in his Pantera's previous 351C (open chamber 4V heads with domed pistons and Blue Thunder dual plane) and found it pretty lazy below 3000 RPM so wanted something that worked better down low. The Muscle Car and Street Rod Engine Oils from COMP Cams are specifically designed to be used in engines that experience extended periods of storage. My question comes in with regard to the heads. The entire VooDoo line also 1971 f100 comp cams extreme energy 262 bbf 460 hyd flt tappet really nice choice for the best of both worlds hp and torq. I thought is sounded big too, but was assured it would work well. I had one and loved it. The install wasn’t bad and everything you needed was provided. A few numbers vary a little but not enough to count. 42 rear gears. I've narrowed it down to either the Competition Cam High Energy 268H or the Xtreme Energy 268H. Ford XC 351 cleveland with comp cam xe262h Mark n Renee 40 subscribers Subscribed Jul 8, 2013 · The factory 340 cam is bigger than that. Set initial timing to 16 deg BTDC. I want to use the stock 302 heads for the time being. Oct 28, 2018 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Comp CAM XE262H Comp CAM XE262H Pontiac - StreetYou need to put up your useless Google'd up information on these topics then sit down and STFU since it's obvious by your last response you've never built or tuned any of these engines using the camshaft mentioned by the OP in this thread. Forget about all that. 470" Duration 262°/270° RPM Range 1500-5500 Part Number: 249-12-262-4 Product Q&A View Now Click image to zoom Comp CAM XE262H Pontiac - StreetGuess we need to know how you want the car to run and drive before choosing a cam. I purchased JBA long tube headers, looking for options on mid pipe, before I send it out for tune & dyno. Vacuum recorded for those running (power brakes,etc. I know that we tested both the XE262H and the VooDoo 262 in the same engine, back-to-back. May 22, 2002 · C3 Tech/Performance - What's all the fuss about the XE-262 cam?? - Whenever the subject of upgrading the camshaft comes up, it seems that the thread always gravitates to using the Comp. I must say I am happy with the cam I chose. 1/2 TON SHORT STEP SIDE, 350 CID STOCK 4 SPEED, STOCK EVERYTHNG Aug 23, 2008 · The cam that we want to use is the CompCams XE268H to give the engine some lope. Oct 10, 2009 · The guy who designed the xe series cams made the voodoo series cams for lunati and I just put a lunati voodoo cam in my 350 and man its two sizes smaller then the comp big mutha thumpr roller cam I did have and it makes way more power and torque then what it did. I bumped up to the XE268 hoping to go a little quicker, but the power difference is negligible and really the XE262 is a better cam for street driving. Comp cams XE262H camshaft. High-performance hydraulic flat camshaft for Chevrolet small block engines. 6L 2V Mod motor produced 211 hp at 4,350 rpm and 282 lb-ft of torque at 3,550 rpm on the Superflow chassis dyno. Mar 4, 2009 · The XE262H-10 was recommended by the Comp Cams tech support when I gave them the details on the engine. The 360 can breath quite a bit but is limited by the small valves. 45 if not mistaken) 2) performer 289, comp cam xe256h, 289 gasket matched heads, w/ 1. I still have some very light pinging at WOT but good Jul 9, 2016 · Early 4. Keep in mind, it is the late design 340 cam, not the 68 4 speed cam. Anyone have any experience or opinions with Feb 20, 2007 · It looks to me like they are comparing themselves directly to the Comp Cams XE268H. From what I have read about the Comp XE262AH, you can’t get a 109* intake centerline due to variances in the cams and pistons. It almost sounds like solid lifter noise. 462/. Which is a good thing in parking lots and heavy stop and go traffic. Mar 5, 2003 · I have posted several questions asking for advice on a cam choice for my 289. After doing some looking I found out that the XE262 is there most powerful cam as far as torque is concerned in the XE line. The cost about $50 more than a Comp Cams off the shelf cam. 60's to take full advantage of that cam. My engine is 9. 02/1. Comp designed this cam for street/strip use, and it features excellent response with good mid-range and a noticeable idle. Oct 25, 2018 · Page 2- Comp CAM XE262H Pontiac - StreetPY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Comp CAM XE262H Get the Best Performance with COMP Cams Xtreme Energy XE274H Hydraulic Flat Tappet Camshaft Only Lift: . Dec 28, 2006 · The Comp XE262H looked real intersting with similar advertised duration but tighter LSA and 14 more degrees duration at . Makes me just want to put a stock 068 cam in Oct 11, 2010 · Hi Has had anybody experiences with this Cam ? COMP Cams: Xtreme Energy™, XE262H Strong Torque, Excellent Throttle Response I want to install this Cam in my 63 1/2 Galaxie with 390FE 4bbl & C6 Block is 0. Just COMP Cams Xtreme Energy 262H Hydraulic Flat Tappet Camshaft Only Lift . XE262H-10, Camshaft Part#12-238-2 Dyno Sheet XE268H-10, Camshaft Part#12-242-2 Dyno Sheet I was surprised at the results. Grind Number CS XE262H-10 Description Intake Exhaust Valve Nov 13, 2006 · called comp they said xe268 would be the best cam choice for my 307 chevy i just dont know bout that its a stock 307 with a holley 600,holley dual plane intake,headers ,411 gears i want down low power who care how it sounds to me anyway. car is for driving around town, just want a decent running motor. The profiles look even more aggressive than Comp's X-treme line. 19 1. 270 HP @ 5,100 rpm. 5". Mil spc-7 Edelbrock performer, compcams XE262H, 9. Shop Now at the Guaranteed Lowest Price! Page 9- Comp CAM XE262H Pontiac - StreetJim hands book. 5:1 350 small block Chevr Mar 28, 2006 · C3 Tech/Performance - Comp Cam XE262 - Has anyone used this cam. Voodoo. 291 ft/lb torque @ 3,800 rpm. Comp CAM XE262H Pontiac - StreetGuess we need to know how you want the car to run and drive before choosing a cam. May 4, 2008 · I ran the XE262 for a couple of years in my 350, and it is a great cam. Nov 12, 2015 · So I will be adding a cam and valve springs. My setup is 10. they dyno'd many cams to find the best. 040" Stroke=3. Mil spc-7 Nov 3, 2018 · Comp CAM XE262H Pontiac - StreetFairly general info there and tighter LSA often does NOT narrow the powerband, from last years Engine Masters winner. 490" /. 537 lift. 50, 110 lobe sep and . Nov 10, 2004 · You are right Comp Cams describes this cam as a factory replacement in terms of idle, that's why it is suprising that you have that kind of idle. 12-238-2 - XTREME Energy Compare the dyno sheets from both cams at Comps website. 42 gears in a 70 camaro - street use only). It is the 230 / 236 @ . Nov 27, 2004 · Check out Comp Cams website Look in their dyno results sections, they dyno the XE268 on a typical warm street 350. Be aware that going much smaller than the 067 (like the cam you have) can cause problems. I am wondering if anyone is running this and what vacuum is at idle at about 800rpms. I have a '77, L-48, TH350, with the following modifications: True Duals, No Cats Ravin 55 Mufflers Hooker Competition Headers 1 5/8 ceramic B&M Shift Kit with adjustable modulator B&M Torque Apr 11, 2020 · Anyone out there running this Comp Cams XE262H camshaft? It is installed in fresh 350, got about 300 miles on it. The Comp 280H has 60 degrees of overlap with specs of: Feb 20, 2003 · C3 Tech/Performance - Comp Cams High Energy 268 - any comments welcomed - I ordered the Comp High Energy 268 yesterday along with the other two kits that includes the rest of the valvegear matched to the cam (magnum roller rockers). See the attached dyno chart below next time Comp or anyone else recommends the XR276HR cam for your 455 build with 9. 5" collector Comp Roller Tipped Rocker arms Peak Numbers: 385 HP @ 4900 RPM & 485 ftlbs @ 3700 RPM Do these numbers seem a little low? I know the cam isn't huge and my Performer intake is probably the They offer a much wider selection of profiles, more specifically engineering for each application. The main cams I was considering were the XE262H and the XE256H. I have tried 8 degrees inital but it seems I'm leaving power Apr 2, 2002 · C3 Tech/Performance - To all you guys that have the comp cams XE268H cam in a 350 SBC - How is your idle in neutral and in drive? Like rpm wise? Does the engine have a very noticable shake at lower rpms? When you installed it, did you have to tighten the idle speed screw to get it to run? Even turning on the a/c kills Feb 25, 2004 · My dyno is pretty conservative, we found that out when we went to Comp cams for the engine masters and gained about 8% on power. I am trying to do this on a budget plus make good power and sound in what is going to be a street car/daily driver if I choose to. Original 4V intake manifold and exhaust manifolds. Now the XE262 cams that we do have in this video will help deliver excellent low to mid range torque gains when used either with or without a custom tune, although expect bigger gains to be seen with those custom tunes. The non-PI 2V motor featured Hooker headers, a complete Magnaflow exhaust system, and a C&L MAF and air intake. Currently have a Performer intake ( soon to upgrade to Air-Gap) Edelbrock 600cfm, Pertronix and long tubes witha C4 and 3:55s. Mar 6, 2016 · It was a great all around combination. Thanks for watching Mar 13, 2024 · John Hayes and 7 others 8 11 Discussion about Comp Cams XE262H camshaft performance in Chevy 350 engines Andy Heins I ran one in a flat top 350 with vortec heads… i degreed it in pretty early, ran extremely well in a 1/2 ton 2nd truck I had it in 1 yr 1 Bryan G Inwood Yes still running , it likes a lot of initial timing not a lot of overall . Bigger is not always better. . TH400 trans, 3. 520 (I/E) Hooker Mustang Swap Headers 1. How was it on low end torque. Great product and can’t wait for dyno results. 050" specs the comp cam is slightly more aggressive. DD2000 showed the torque curve to be almost identical with only a FtLb or two difference and 13 more HP at 5,000. If Doug F. COMP Cams Xtreme Energy 262H Hydraulic Flat Tappet Camshaft Only Lift: . 513 int and . at 16° and initial at 6° with 22° total with vacuum advance disconnected. The XE 262 actually produces slightly more HP and torque than the XE 268 with this engine setup. I am considering the XE262H, 265DEH, and To maintain that very conservative approach, the engine builder matched these smaller, high-velocity heads with a conservative COMP Cams XE262 flat tappet hydraulic cam with 218/224 degrees of duration at 0. - Here is the DD200 results for the two cams. ). 40 over with Edelbrock heads, RPM intake, Accel dist. 050-inch tappet lift, along with 0. Is anyone out there willing and able to run compter simulated dyno tests on hypothetical combinations? I would like to know how 3 comp cams compare in torque output; both peak torque, and low rpm torque. Sep 3, 2005 · I'm running a 390 . I was putting a bunch of cams, including these in the engine analyzer, and the XE256H made way more torque than the XE262H, especially down low, and the Nov 15, 2018 · getting ready to pick a cam for the budget 454. Anyone used this cam? Tag along in today’s video while my father, my grandfather, and myself break in the Comp Cams Extreme Energy 262H Camshaft in his 9. What some suggest and then the cam builder says something else. Engine knock is more dominantly dictated by intake closing point, as is cranking compression. Dyno sheets are from Comp Cams web site. 469" Duration: 262°/270° RPM Range: 1300-5600 Dec 1, 2003 · I have a 68 Mustang and here is my current break down. Why is it so superior to a Crane or Iskenderian, etc. Got 252 horse out of it. Lift . 08 gears, base 160hp 350 bored . 5:1 roller rockers and a set of matching COMP single springs with a damper. I will shortly start a rebuild of the engine and am planning on replacing the XE262H with a XE284H cam. How's the power and torque? How's the driveability? Economy? Etc. 060 400 SBC for a 3. Jul 28, 2014 · Comp Cams XE262H Cam, Lifter and Spring Kit Duration @ . 5:1 (in actuality probably more like 8:1 compression). The cam kit was shipped and arrived fast and on time. : 210 HP, 277 Torque. Page 3- Comp CAM XE262H Pontiac - StreetNo the builder never game me the CC details just the . World’s top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines Sep 12, 2004 · I recently removed my mild 351c with openchamber heads, 9. 5 Part Number 12-238-2 Engine 1955-1998 Chevrolet 262ci-400ci 8cyl. I was leaning heavily toward the XE268H from Comp due to is heavy useage by the major mags and proven builds similar to what I want; but now I am at least considering the Lunati cam. 469-inch lift using 1. -C4 w/ Shiftkit. 305 BUILD-UP PART 5. I am either going to use a Comp Cams XE262H or a 265DEH camshaft in my combo. 50 with . 30 over Compression ratio is 10:1 Valves 2,090"in. 050, . Also not sure what numbers have the biggest impact on idle, or what is smooth or not. Nov 1, 2018 · Page 7- Comp CAM XE262H Pontiac - StreetGuess we need to know how you want the car to run and drive before choosing a cam. Has anyone had any experience with this cam? It's going in my 81 350 with Carter 625 Nov 6, 2004 · C3 Tech/Performance - XE256 solid vs. Jul 19, 2005 · It was comp XE262H (262/270, 218/224, . 2. Oct 4, 2012 · Hello, I am running a 355ci, Vortec heads, balanced, 10 to 1 compression rpm intake, 600 cfm carb, auto tranny and a gm hei distributor. Dec 10, 2012 · Cam I not putting the XE268H camshaft down but I like the XE262H better. IIRC the 340 cam closes the intake at about 60 ABDC and the XE256 closes at 54 degrees ABDC. Oct 26, 2018 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Comp CAM XE262H Comp CAM XE262H Pontiac - StreetIMO, You can't go wrong if you look at factory cam specs and go up or down from there depending on what you want. I am running flat top pistons, 64cc double hump "462" heads with Comp Cam valve springs, Edelbrock RPM intake manifold, Holley 670 carb, stock exhaust manifolds, wide ratio Muncie, and 3. Mil spc-7 Aug 17, 2004 · C1 & C2 Corvettes - Cam shaft Opinion Please - I am having my 66 327/300 rebuilt and the builder recommended a Comp Cam EX262h cam. 85-1. I get 464 ft/lbs at 2000 and 300 hp at 4000. If your trying to torgue up a 340 the XE262 seems a better choice to me based on spec's and comp cams free online dyno graph. Nov 30, 2004 · On Comp's website, the dyno runs on a 350 the 268 didn't make the improvement you'd think. Will work with stock converter but prefers 1800+ stall. Every cam tried was at least 10 ftlbs of torque and 10 BHP better than the Xtreme Energy equivalent. Oct 17, 2012 · Vortec heads with 292h Comp Cam I am posting these dyno sheets from Comp Cams for you to compare. It is one of the smaller cams and the smallest they recommended for a 500" engine. It definitly stalls higher than a regular 318 car would. The customer is pretty happy, even with the new parts he's still only got about 2500 invested in the WHOLE drivetrain including transmission, fuel system, ignition etc. 4:1 comp, hydraulic cam, weiand 2v manifold and a 850 Barry Grant. Dec 16, 2002 · Metal Wulf brought up the question about the XE262 Comp Cam so I got to looking at CC website for more information on the cam. Here's some links to some factory cam specs. And some pages have more while others have less info. I'm Jan 10, 2016 · If you look at 340 stock cam at 0. SER. Take a look at the dual energy I suggested. I was comparing the how many degrees ABDC when the intake valve closes at. Car does not have a tach so not sure on rpm. I put it on the vac gauge to adjust the holley idle mix 4 corners and at idle the vacuum is Dec 23, 2002 · C3 Tech/Performance - XE262H cam - I am about to buy a Comp XE262H-10 cam and was wondering if anyone has installed this cam and had any trouble with valve to piston clearance. Sounds like it is going to be a stump puller, but I'm May 17, 2009 · I am looking for a good cam for my outfit and I was looking online and came across the Lunati voodoo Cam and Comp Cam xtreme energy cam . Dec 6, 2004 · Originally posted by UDHarold: Chadwick, Lunati has a VooDoo 262 that beat the Xtreme Energy 262 on the dyno. Makes me just want to put a stock 068 cam in. Mil spc-7 Nov 3, 2018 · Comp CAM XE262H Pontiac - StreetJim hands book. First and second run, I got 200 May 17, 2020 · COMP Cams XE262H Dyno Results Stock everything on this car so stall is whatever a stock 340 came with in 73. 218/224 dur @ 0. Be sure to check out our Camshafts and Valvetrain. -Engine c9oe 351W with home ported c9oe heads. The HE268 has a single pattern New 10:1 compression, zero decked 390. 36 geared vehicle, and I just stabbed in a comp xe262h Compare the dyno sheets shows this cam makes way better torque then that 294, and torque is what you actually feel. 080" bore. It made 226 hp at the wheels, but now i'm waiting on machine work, and will soon have results for my new motor with solid cam and AFD alloy 2v heads. Nov 4, 2018 · I have been having problems with WOT pinging with the Comp CAM XE262H on straight 93 Oct gas with out severely retarding the timing. Having to slip the clutch with a lumpy cam gets old if you get caught in 'stop n go' for any length of time. good cam in a 350 pretty Aug 7, 2014 · I'm building a . Sep 28, 2007 · I'm building a 400 with aussie heads and TMI pistons for my 4x4 F250. 60 valves 350 tranny, 2400 stall converter, 3. Dwell timing changed to 30. Nov 3, 2018 · Page 9- Comp CAM XE262H Pontiac - StreetPY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Comp CAM XE262H Apr 10, 2019 · The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. 55 gears. I'd stick with the 262. The specs are as follows: Camshaft Specification Table Part Number 12-238-2 Engine 1955-1998 Chevrolet 262ci-400ci 8cyl. 060, Performer intake, stock 76cc heads, Headman Feb 9, 2002 · C3 Tech/Performance - COMP-CAM CS XE262H-10 - I talked with Comp-Cams today and would like to know the Forum's opinion. Dec 9, 2020 · COMP Cams CL12-246-3 COMP Cams Xtreme Energy Cam and Lifter Kits | Summit Racing Free Shipping - COMP Cams Xtreme Energy Cam and Lifter Kits with qualifying orders of $99. The smaller cam makes more torque and horsepower. 355- Holley Stealth Ram. If their statements are accurate, the Voodoo cam looks really nice. 480" 9. should have gone with a bigger stall -3. Oct 4, 2012 · C3 Tech/Performance - Dyno results for Comp XE268H - I am posting this data for others who are considering this cam and how it will result in rear wheel horse power and torque. Mil spc-7 Comp CAM XE262H Pontiac - StreetJim hands book. 004" in the hole Rotator balanced Dove-c heads 2. , Holley 750 carb with mech sec. 550 lift and a 113 LSA. Aug 12, 2002 · 305 BUILD-UP PART 4. 50 rear gears. I am looking for low end power, will try not to rev past 5500 rpm. 256S seems like the better choice. 050 218/224 (I/E) Lift . 519 lift. rpm intake with m20 trans and 3. Now Comp does recommend upgrading I installed stage 2 HRT comp cams 273/279. Jul 26, 2012 · My original build used Comp Cam’s XE262H cam as I was using my 79 F350 for some towing and fun. The oils utilize a blended synthetic formula fully approved for use in engines originally equipped with mineral oil. ? For those of you with computer dyno programs, how accurate is Comp Cams' Camquest 6? Below is the simple chart it rendered for my Galaxie's mule motor. Checking the Comp Cams catalog it says to use a 2200+ stall with the XE268h cam. 5 compression with stage one X heads. hnk dtkdsk bapsarj gxdlg awbv fdgupnt zxjgx fur sguehsu thdlst