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#1 | |
Junior Member
Join Date: Jun 2005
Posts: 14
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Jim Foley 1220 L/SA-F/FIA |
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#2 | |
Senior Member
Join Date: Jul 2007
Posts: 963
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one of the main difference is they use a street type trans, drag radials, and they cant run any valve angles.. Stephen Johnson #2162 Horace Johnson #2167 SS/D 427 Ford Fairlane NHRA-IHRA |
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#3 |
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Join Date: May 2004
Location: Yuba City, CA
Posts: 220
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My car has only been 12.19 @108 with a FAT tune, and nothing dialed in. When I say nothing, I mean tune, clutch, shift points, shocks... I have been fighting clutch issues for some time now. Oh... and I am running on 7+ year old slicks. 11's are a few weeks away! Factory Stock guys have a different set of rules to follow. They are not as limited when it comes to internals as we are weight wise, and they have a lot more options than we do. It has been a few years since I have looked at the NMRA rulesbook though. Rich Groh at RGR does Godfrey's motors.
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Shawn Allsup K/S 718 |
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#4 |
Junior Member
Join Date: Nov 2003
Location: indiana
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I've seen inside of most of the factory Stock engines nothing close to a stock eliminator combo all light weight rotating assemblies.
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Operations Manager/Race Director Lucas Oil Raceway @ Indy |
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#5 |
Member
Join Date: May 2003
Location: Billings Mt
Posts: 281
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Please define untouched
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#6 |
Member
Join Date: May 2004
Location: Yuba City, CA
Posts: 220
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Larry's heads... (I beleive) were untouched as in straight out of a stock car... with 150,000 miles!!! I am sure he will chime in, and clarify this, but "untouched", or fresh, either way, very impressive!!!.
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Shawn Allsup K/S 718 |
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#7 |
Member
Join Date: Nov 2001
Location: Tampa
Posts: 400
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Years ago I ran 11.80s with the H.O. combo, but John Presing has been 11.50s at 113 mph using E7 heads. It's hard to compare NHRA and NMRA cars because NHRA cars get slicks and a better drivetrain, but NMRA cars (I believe) can use flat-top pistons and they can run with a much smaller combustion chamber. Either way it's impressive to run 11s with those heads, especially when there are lots of cars with aftermarket aluminum heads that don't run as well.
Evan
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Evan Smith 1798 STK |
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