03-27-2016, 09:59 AM
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#36
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Veteran Member
Join Date: Mar 2005
Location: Sand Springs, OK
Posts: 8,132
Likes: 896
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Re: Within Stock rules???
Quote:
Originally Posted by Peter Ash
Stock Cars Section 10A, page 3
CYLINDER HEADS
Porting, polishing, welding, epoxying and acid-porting prohibited.
Combustion-chamber modifications prohibited
External modifications prohibited.
and from the article "http://www.enginelabs.com/engine-tec...liminator-ls7/"
“The maximum intake port volume we’re allowed is 275cc, so we milled down the intake flange surface to shorten up the length of the port just slightly. This gives us some extra room to touch up the short-turn radius, bowl, and valve job area and increase the cross-section a bit without exceeding the cc limit,” Judson reveals.
hmmm?
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Yeah, I wouldn't have told that one. Might have done it. Would not have told it. LOL
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Ed Wright 4156 SS/JA
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