Quote:
Originally Posted by Toad
I heard that 708s give a very small amount of clearance between the valves and the pistons, as little as just a couple of mm? How can you run a wilder cam profile?
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Im just going on the data from daveP a few years back. Its why most of the RR will use 708s, and its why most people now use racelands and not gmc 4-1s.