Comp xr276hr dyno test

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August undefined, 2024

WebMar 21, 2012 · Discussion Starter · #1 · Mar 19, 2012 (Edited) As part of the rework on my 406, I've decided to go with a hydraulic roller cam this time instead of the solid roller I was using. specs: 406. 10:1. Dart Pro 1. Performer RPM (new...was using Vic Jr) 1.6 roller rockers on intake. 1.5 roller rockers on exhaust. WebSep 10, 2004 · With your heads and the 282 a 10.5:1 compression ratio is easy. Mine is 10.3:1 measured and at 32* total it runs with zero detonation even on pump 87. If I were to do it again I'd shoot for 11:1. A 383 with it's smaller bore vs. my 406 should be a bit more detonation resistant. 32* was determined on a chassis dyno.

CAM HELP! Comp Cams XR276HR In a sbc 383 - Hot Rod …

WebMar 21, 2009 · Cboy was the closest to giving you good advice by saying "if this is the cam you like then go for it". although the dyno results compare a flat tappet cam (thumpr test) to a roller cam (xr276hr). If you want to make maximum power then absolutely go with a mild dual pattern cam like the xe 268. tatties and neeps story

How To Retrofit A Hydraulic Roller Cam In A Big-Block Chevy - Street M…

WebApr 6, 2012 · COMP Tech: 4-Way Camshaft Dyno Shootout! By Cam Benty April 06, 2012. The Thumpr Camshaft line of hydraulic roller camshafts from COMP Cams, introduced in 2006, has been a huge success, well … WebJan 12, 2013 · I have the XM276HR cam, which is the same as the XR276HR but on a wider LSA (for better idle quality and tunability. w/ a carb that's not so important). A 600 will be fine on the street, would a 750 dyno more hp up top? Maybe. A recurved stock HEI will be totally fine on that. I'd run 15-20 initial timing, 34-36 total. It is a great running engine WebNov 25, 2004 · Car will be used for cruise-ins and test and tune at the local drags. I am planning on using a hydrolic roller cam. I have talked to comp cams tech people about 2 … the campus real estate llc

383 sbc with xr276hr cam on 1.6 rockers. - YouTube

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WebJul 10, 2024 · Carbureted 305 Chevy Cam Test-XR276HR vs 268XFI HR13 Run with the Performer RPM Air Gap and Holley 650 Ultra XP carb, there was little difference between the two COMP cams. The XFI offered more … WebOct 12, 2011 · Building and dyno-testing a 408 stroker to double the power of a tired 351W. ... According to Comp Cams, the effective operating range for the XFI236HR-14 is 2,600 rpm to 6,300 rpm, making it a ... tatties and neeps definitionWebJan 3, 2024 · Advertised Duration, XR276HR-13 Grind Number and get Free Shipping on Orders Over $99 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the … tattie shed

"WebNov 28, 2024 · 427 BBC High Performance engine SOLDHow a Dyno test is conducted starring Darryl Watters.We started with less than 450HP and finished with 479HP and … " - Comp xr276hr dyno test

Comp xr276hr dyno test

More Power xr282hr, xr288hr Team Camaro Tech

WebNov 22, 2007 · Extreme Energy Retro-fit XR276HR Adv. Dur. 276in./282ex. @.050” 224in./230ex. Lift .510in./.510ex. ... Expecially the dyno #'s. 540Rat would the 280HR still give me some decent gas mileage on the hwy or will it be down in the gutter? ... Same 290 heads with the same valve combo, used on a 402.030 motor, 9.5/1 CR. I ran a Comp … WebAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ...

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WebJun 11, 2015 · We consulted the COMP Cams Book of Armaments and decided on the retro-fit Xtreme Energy XR276HR with 224/236 degrees of duration and 0.510-inch lift. … WebDyno Results for Chevrolet 350 Small Block XR264HR-10 The store will not work correctly in the case when cookies are disabled. ... COMP CAMS HELP™ 901-795-2400. Contact. Home ; COMP Cams XR264HR Dyno Results; Dyno Results: Camshaft Part # 12-412-8: Grind # XR264HR-10: Duration @ 0.006":

WebThis magazine article testing produces some unexpected results, however the benefit of a duel plane manifold is clearly seen looking at the torque curve. ... mainly comparing … WebNov 15, 2002 · Edelbrock 170cc heads, Comp XE274, RPM manifold and a Demon 750. The tests showed good midrange torque, about 365 ft# at the rear wheels at 3500, but the horsepower peak was less than 300 at 4800 rpm, and the engine was done by 5500. Compared this to a 56 Vette 383 we did yesterday, AFR 190's, Comp XR276HR and DFI.

WebJun 11, 2015 · We consulted the COMP Cams Book of Armaments and decided on the retro-fit Xtreme Energy XR276HR with 224/236 degrees of duration and 0.510-inch lift. COMP calls this a retro-fit cam as all the early small- and big-block Chevys were originally designed for flat tappet style camshafts. WebAug 24, 2016 · The final test run on the 454 featured a pair of BorgWarner turbos supplied by Lil John’s Motorsports Solutions (LJMS). ... we installed a Comp XR276HR cam. The …

WebDyno results for XR282HR Chevy 350 Small Block Hydraulic Roller Camshaft The store will not work correctly in the case when cookies are disabled. ... COMP CAMS HELP™ 901-795-2400. Contact. Home ; COMP Cams XR282HR Dyno Results; Dyno Results: Camshaft Part # 12-432-8: Grind # XR282HR-10: Duration @ 0.006":

WebOct 27, 2012 · 01-417-8 Xtreme Energy™, XR276HR-13 Great in Performance Applications $297.78 08-423-8 Xtreme Energy™, XR276HR High Peformance, Choppy Idle $297.78 08-503-8 Xtreme Energy™, XR276HR Modifications Needed $297.78 11-423-8 Xtreme Energy™, XR276HR Great for Street Machines $297.78 12-423-8 Xtreme Energy™, … thecampus residenceWebDec 23, 2010 · Im looking for a cam with a choppy/ mild rough idle. The XR276HR has the following specs. 276/282 duration @0.006. 224/230 duration @0.050 W/ 502 &510 lift … tattie scones historyWebNov 6, 2024 · C3 Tech/Performance - Which cam for my 383 - Lunati Voodoo 270/278 or Comp cams XR270HR? - I have a stock 1980 L48, recently rebuilt 350, long tube headers. The engine will be rebuilt to 383 with, there will be new heads (195cc, 64 or 70cc, 10 - 10.5 SCR), new intake manifold, hydraulic roller cam, 1.6 rockers. I... tattie holidays scotlandWebDec 29, 2024 · Short Clip of my 383 Stroker with comp cams xr282hr roller camshaftCheck out my channel for my other videos and please SUBSCRIBE! the campus queenWebNov 6, 2016 · COMP Cams XR276HR Dyno Results - COMP Cams® Dyno Results for Chevrolet 350 Small Block XR276HR Camshaft. www.compcams.com This one will have a choppy idle, and I have used it in a pretty much stock L31 and it ran really, really well. Pushed my 4000 pound truck down the 1/4 in 13.5 seconds. tatties and minceWebMar 26, 2011 · The XR270HR made 14" vacuum at idle - its 218/ [email protected]. Good off idle cam with tons of midrange. The XR276HR in my '69 vette makes 13" vacuum at idle - its 224/ [email protected]. In a 350/355 [email protected] looks to be a good number for making hp and still having enough vacuum for accessories. tattie shed kirkcaldyWebAug 25, 2010 · With my combo, the XR276HR produces a few more horsepower according to my old Desktop Dyno, but the XR270HR torque curve is a lot flatter compared to a … the campus movie