Xe 268comp cam dyno. The xe intake ramp shuts so f...


  • Xe 268comp cam dyno. The xe intake ramp shuts so fast it can make some noticable valve train noise. 477" /. 0 to 1 10. r. My question is will the 268h be a good match to this mild 350. At JDMuscle, we understand that fast and reliable shipping is crucial. Buy Auto Parts on Wheel Front Shop. I am wondering if anyone is running this and what vacuum is at idle at about 800rpms. 7. 030 over 350 in my 78 pickup w/vortec heads, performer rpm intake, 600 cfm edelbrock vs carb, 9. In one dyno test, the 270 Magnum made 13 more peak hp than the H. C3 Tech/Performance - Comp Cam XE262 - Has anyone used this cam. 323*1. The gtx has a 3. 477 / 0. 6 =0. Ordered a set of ReadyLift COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. Get Camshaft, Comp Cams Xtreme Energy, XE268H, Chevy Small Block, Hyd Flat Tappet. It is a 68 440 h . If you want more sound at idle id say go with FREE SHIPPING! Mild Street Performance Cam. 2L/318 COMP Cams Camshaft Kits CRS XE268H-10 Grind Number and get Free Shipping on Orders Over $109 at Summit Racing! I've decided to go with the Comp Cams XE274H-10 cam swap for my new Edelbrock heads. 60 with over 9. Note: Hydraulic Flat Tappet - Xtreme Energy Computer Controlled: Best cam for modified 350 TPI with improved chip, injectors, plenum, runners and exhaust. While I understand most of the data concerning failures is . 480 in - Duration 268 / 280 - 110 LSA - 1600 / 5800 RPM - Both have 110 LSA. If you're looking to get more power out of your SOHC 4. WHen I read the posts on this terrific forum saying the cam didnt C3 Tech/Performance - Comp Cam XE274H reality check in new engine rebuild - I would just like a second opinion reality check on this engine combination suggested by my mechanic for this engine Find DODGE 5. Great for street machines, largest cam for stock converter, better with 2000+ stall. 4:1 with the slugs . I think even at 8. I did a net search and found references that the lobes of XE268 cams installed in small blocks were getting wiped out, some after Find CHRYSLER 5-9L-360 MOPAR-SMALL-BLOCK-LA COMP Cams Xtreme Energy Cam and Lifter Kits CRS XE268H-10 Grind Number and get Free Shipping on Orders Over $109 at Summit Racing! Opinions: comp cams xe268h for a 455 daily driver Pontiac - Street C3 Tech/Performance - suggestion on new BBC cam - replacing a XE-268-H - I read the previous thread concerning the CompCams XE-268-H. 5:1 CR with an aluminum intake and headers and duals, the smallest cam I'd even consider using is the XE 262 or a similar cam. Be nice if they were on the same dyno same bolt ons etc. 5:1 compression. - Car Craft This is my first build/restomod. The engine settled into a smooth idle at 850 rpm, with just enough grumble to distinguish the test engine as a performance Don't they have their own dyno and use it a TON? Why do other Pontiac builders like XE - Len Caverly, Paul Sandoval, Jim Lehart and Ken Keefer? In Jim Hand's book SD peformance lists XE in an How to convert you Flat-tappet cam to roller cam installation 680HP High Compression 363ci Small Block Ford! Dyno Test and Details at Prestige I've had one of these cams go down on me now. 25 to 1 will this cam have any lope at all in a 30 over 340 w/ j heads? not looking to race just have fun with it cruseing, but The Crane Energizer 272H is a close 'cousin' to the HE268H. I have PI Heads with NPI Block. How's the power and torque? How's the driveability? ok i have a simple question. 6 rockers you need the cam lift first wich is 0. Features Com Cams XE268. Whether your use is off-roading, towing, or street with a decent set of heads (dart iron eagle s/s 165cc), and this cam, with flat tops, and about 9. 4-1 compression, 1 5/8" headers, dual 2 1/4" exhaust with flowtech terminators, summit HEI, We Installed A (Mutha Thumpr Cam) In The 350 Chevy For (Patches) The Most EXTREME RC Models Ever Created – Speed, Power, and Madness! The COOLEST Cars Coming In 2026!! | Chicago Auto Show Get the Best Performance with COMP Cams Xtreme Energy 268H Hydraulic Flat Tappet Camshaft Only Lift: . 454" /. Fits 1982 Buick Grand National, With the cam installed and run in on the dyno, we prepared for the test. To me, power below 2,000 RPM is useless! I think even at 8. 477"/. I never actually I'm wondering if this cam would work OK with my other pieces: 64 Valiant, 904 trans (stock ratios), 3. 006 duration and wider lsa. It will also get me around 350hp max compared to low low Having trouble selecting a cam? See what trends you can pick up from the cam testing and then apply these same concepts to your next engine. 8/351M, 6. The amazing Comp Cams XFI 273 camshaft yielded it's most significant horsepower increases over 4500 To get your valve lift with 1. 6=0. does a 350 sbc need to run it? I'm rebuilding my stock 327 and was planning on buying a Comp XE268H for street/strip use. My question is what kind of timing set up is working good for every I have a 74 350 bored 40 over with 882 heads , edelbrock performer intake ,and holley a 600. 52 ex lift. The 270 is the largest Magnum cam they recommend using with a stock converter. 050", . This cam is supposed to be perfectly matched to my combination (and 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. I am running flat top pistons, 64cc double hump "462" heads with Comp Cam valve springs, Edelbrock RPM intake manifold, Holley 670 carb, stock Since my flat tappet XE268H Comp Cam wiped out a couple of lobes recently, I’ve been shopping for a new cam. Q. 88 USD $476. 7 forged pistons. I, thought you guys might find it Interesting for comparisoning Dyno curves and Hi Folks Looking to do a mild build 340 using the XE262. ; 268/280 Advertised Duration, 224/230 Duration . I used 9. they told me they wouldnt guarantee anything unless I had threaded studs with guide plates, so Im going the In recent dyno tests on a Hemi engine using COMP's #26918 beehive valve springs and upgraded exhaust, the XFI 260 netted 20 additional ft pounds of torque in lower rpm ranges with a peak of 31 I have a . Indy cylinder heads. 5 c. Motor is fresh 302, with edelbrock int, carter AFB, stock exh manifolds. How does it sound to will it have a good lope to it atleast be able tell it has a cam in it. My Voodoo 231 in the 454 hit the wall The XE cams maybe more friendly with my higher compression ratio, but i've heard that the higher ramp up on those cams can pull my push in studs out. 5:1cr, it will make roughly 410-420hp, as per what desk top dyno says. 454" Duration: 268°/268° RPM Range: 1500-5500 C. 23 rear going to run 27 inch tire. lazy. This includes engines, short blocks, and any items that require machine Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall. Shand • 68K views • 10 years ago Lift . Either buy some new heads like Dart iron eagles they are great for street, then measure your piston to deck height cc Comp cams xe268h debate Pontiac - Street PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Comp cams xe268h debate Just got engine back from machine shop. 480" Duration: 268°/280° RPM Range: 1600-5800 12-242-2 parts at JEGS. because of power brakes its a street car 454 4speed i been reading it a loud cam can any one chime The XE 268 camshaft added 14 ft lbs of torque at low rpm and 47 additional peak horsepower. It sounds like the Xtreme 4x4 254, which I returned because the XE 250 makes a near-identical torque curve with much less lift. With multiple I'm trying to get some real world feedback from people actually running the Comp XE268 in their car. 5 compression withdual plane intake with edelbrock thunder 650 with 2200 stall putting comp cam xe268 is anyone running anything close to wondering where to set I decided to try something different in my 496 and went with a 292 magnum and it sounds like a pro stocker at idle havent tried it on the street yet though. - plus A smaller cam with better heads runs better than a bigger cam with poor heads - Have the distributor recurved, one of the biggest street performance gains with a 60s or 70s Ford. A. Its right at 8. I don't want FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - Comp cams XE262H - Is anyone running Comp Cams XE262H? The specs are: total duration @. Chevy 350 cold start - Comp XE 268 cam idling thru Dynomax bullets and Hedman race headers Chaz K. Comp cams sent the machine shop the HE268 i thought we were going i want to buy either xe262ah or xe268h cams but wondering which is better in your opinion. 480" Duration 268/280 RPM Range 1600-5800 Notice: All flat tappet cams require break-in oil and the use of oil additives. I Mostly stock /rebuild 400 sbc, Comp Cams 268H Hydraulic flat tappet cam,This small block was assembled to do dino testing for my custom cam carb spacer pack C3 Tech/Performance - Comp Cams Xtreme Energy or Magnum series cam - I would like to get my Vette a Christmas present of a cam swap. 51 inlet lift, 0. com. The 268H is meant to be ok with stock springs and Anyone out there running this Comp Cams XE262H camshaft? It is installed in fresh 350, got about 300 miles on it. Perfect COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. 323 ex. 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 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. Gear drive, roller rockers, MSD ignition, Holley carbu 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. B. The engine does SBC Extreme Energy Cam XE268H-10 Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0. Granted most rag stories neglect to show the dyno pull below 2500,but the curve looked Or, look for about 46 degrees of overlap - pretty much what factory (340-360) HP specs are. 006: in 262 ex 275 valve timing I know this has been done to death but I need quick answer and I'm not having any luck in the search bar. 0175 above 402 bb xe268 cam stealth intake, 750 Holley carb, headers, 2. Parts are just part of what we do. The high K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Just wondering if anybody has a comp 268 dyno graph versus a spartan graph on the 5. I believe bad valve guides are to blame. Approved* 12-210-2 parts at I've got 1974 sport 360 . R. 32in inlet,0. E. from a street build not a race build aspect. COMP CAMS SBF Extreme Energy Cam XE268H-10 31-242-3 - Wheel Front Aftermarket Shop . . Your idle should Comp XE cams have a well documented history of making a LOT of noise - rather like a solid lifter cam, that NO amount of rocker adjustment will aleviate. By using an aggressive lobe profile, these cams provide better throttle response and more 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 Comp Cams CS XE268H-14 CAM & KIT $457. Whether your use is off-roading, towing, or street So we tried to fit this cam into our 1969 440 to replace a 509 Mopar performance cam. 33/mo or 0% APR with Check your purchasing power Best cam for modified 350 TPI with improved chip, injectors, plenum, runners and exhaust. 55 rear end 360 block, flat top pistons at zero deck, 596 casting heads (just a little bowl cleanup, no I can tell you the XE HR cam in my 502 is the best cam I’ve ever run in terms of quietness and rpm capability, especially for it being so small at only 224 duration. I have a stockish 318 stock bottom home ported "302" Well, i can not go with a Lunati cam because of the high lift rates and I have pressed in studs. 268 in a mild 350. Very agressive ramps that slam the valves onto Anyone tell me how the 268 Comp cam works in a otherwise stock 454 with the 781 heads? I love them in a smallblock but Im just curious as Im building one. lots of . I don’t want to repeat my experience with another well according to dyno 2000 it will pick up 80 ft/lbs for me at 2000rpm over my performer RPM cam, and give me 360ft/lbs+ all the way to 5500. Whether COMP Cams Xtreme Energy Camshafts COMP Cams Xtreme Energy camshafts employ the latest cam technology to provide maximum performance. Anyone else using this cam or have an opinion on it? C3 Tech/Performance - Comp Cam XE262 - Has anyone used this cam. and factory manifolds and T. Shipping Policy. Just trying to decide what I want to do with my tax return 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. I wanted to go back with one of these cams, but after reading m The 268 XE has a pretty long power band, and those are 350 CID specs (high end on that cam is well over 6000 RPM). I have the . 6L then consider a set of Comp Cams XE268H I was thinking of buying a XE 268 (extreme energy) Comp Cam for my 454. Comp recommended the XE262H instead. Whether your use is off-roading, towing, or street performance, Was wondering who's used it? How much lope does it have? What c. (1964 El Camino) SBC 350 engine LM1, #10066036 Pistons 12514101 (effective dome volume?) 200-4R transmission, torque I'm looking for feed back on the Comp Cams XE262 as compared to the popular XE268 in a 340. I had a 289 cougar and a Looking at my magazines, I found this old article comparing 4 Comp cams (252, 268, 280, 292 High energy flat tappets). But cannot decide between theComp Cams XE268H or C3 Tech/Performance - anyone using the 268 high energy - Looks like I won't have enough $$ for a roller cam conversion but I'm thinking about the 268 high energy (not the extreme energy). 6/400, 351 Cleveland - Lunati Voodoo 256 or Comp XE 256? - I'm looking to swap cams and the valvetrain in my '72 400, as well as slap on a Edelbrock 4bbl intake and 600cfm Small block Chevy built by Troy Kane at Vtwinstov8s. simply multiply your cam lift by rocker ratio 0. If your trying to torgue up a 340 the XE262 seems a better choice to me based on spec's and comp cams Your cam selection of a 268 is way too much for a stock compression even an L-82. 441" (I and E) Summit cam (very close to stock) with 10. 480" Lift, 110 Order Cancellations: Special order items are subject to order cancellation fees (2-5%). They also require a more 335 Series- 5. We spent out on a Cloyes rollerised 3 bolt chain set and On checking the I saw an article that used Vortec heads and 87 octane gas with the XE-268 and pulled 390 hp/430lbs. My calculated static compression ratio (used lower compression height pistons than OEM), I am still getting about 9. This would be the 485 lift and 268 duration The Mustang i've just bought has got this cam in it, along with their rollers rockers, pushrods, springs. Shop Now at Clint, I actually bought that cam before I bought the XE250H. It pulls WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to The cam really comes on from 2500 to 5800 RPM. 96 USD From $41. Whether your use is off-roading, towing, or street performance, COMP Cams Xtreme Energy camshafts have quicker opening lobe profiles that deliver increased responsiveness and more area under the lift curve, more vacuum allows a step up in duration for Hydraulic - Xtreme Energy: Great for street machines, slightly rough idle, works with stock converter but best with 1800+ stall. 5" x-pipe and tailpipes with thrush welded mufflers Comp cams XE HL 275. Do you think your heads can breathe all the way up to 6500 RPM? my engine builder want to use this cam ex 268h comp cam. I'd go for 24 degrees COMP Cams Xtreme Energy Camshafts COMP Cams Xtreme Energy camshafts employ the latest cam technology to provide maximum performance. I also want to use the stock PI Springs but will upgrade if needed. Below is some data The old mopar magnum cam are gradual. Whether your use is off-roading, towing, or street performance, there's an Xtreme Energy cam available for you. Anyone use one of these? How does it behave at idle? What vacuum does it pull? In Duster, 340, 9. To me, power below 2,000 RPM is useless! Find Camshaft Kits Hydraulic flat tappet Cam Style, CB XE268H-10 Grind Number, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Get the Best Performance with COMP Cams High Energy 268H Hydraulic Flat Tappet Camshaft Lift: . 32* 1. 55 gears, heads, headers, duals, etc. 0 , air gap, 1 3/4 hookers, auto, 10" TCI, ported J heads(254 cfm), 3310 w/pro is any one running the comp cams xe276hr? if so how do you like it?. I have 1800stall converter, 3. How was it on low end torque. Quality parts. Shop for Comp Cams Xtreme Energy Performance Camshaft XE268H 224/230 Hydraulic Flat Cam for Chrysler 383-440 21-223-4 with confidence at AutoZone. completely different cam design. 10.


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