Quote:
Originally Posted by mmiddle
That cam is fairly stiff for a DD truck. NOT radical by any means just on the upper end of a DD working truck (2200-6400). Those heads are killing the power potential of this engine. Maybe 325hp on a nice cold day. A set of DoubleHumps that are port matched would really wake this thing up.
With 76cc heads your actual CR is likely closer to 9:1.
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I agree! That cam doesn't match that intake or the heads. Also, the headers might help a little in the mid range, but the peak power of that cam is way beyond what those heads are capable of. Actually, nothing matches or compliments each other on this whole build! 325 at best. You'd be much happier with a much smaller cam if your going to run that intake and heads. Two different ways to correct this. Better heads and rpm performer intake. Or smaller cam. Something around 1500-5000 would work much better with your current setup.