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Ol' Ron · 07-29-2010, 09:57 AM

Well that's allot of information to follow. I don't have that much knowkedge in cam design, I'll leave that to Pete. I ran a 404 for a while ans switched to a 400jr which ran much better in our application. The last cam I used in a racing engine was an Errson D410, it replaced the 400jr. Over the years I tried many cams in a racing application. I was also more knowledgeable about intakes & exhaust, combustion chambers. Light weight crank assys and rear brake drums and wheels. over a period of 8 years we took a 258ci engine with 2 bl carb from 22 sec lap time to 16sec. HOW?? Well let's say we learned alott from our mistakes.

07-29-2010, 09:57 AM	#57
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,857	Re: Boring a flathead Well that's allot of information to follow. I don't have that much knowkedge in cam design, I'll leave that to Pete. I ran a 404 for a while ans switched to a 400jr which ran much better in our application. The last cam I used in a racing engine was an Errson D410, it replaced the 400jr. Over the years I tried many cams in a racing application. I was also more knowledgeable about intakes & exhaust, combustion chambers. Light weight crank assys and rear brake drums and wheels. over a period of 8 years we took a 258ci engine with 2 bl carb from 22 sec lap time to 16sec. HOW?? Well let's say we learned alott from our mistakes.