Quote:
Originally Posted by zz430camaro
If you were just looking at piston speed, a 376 at 7000 rpm is the same as a 416 at 6338. Kinda gives you perspective.
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Quote:
Originally Posted by acammer
Zach - what is the practical RPM limit for Clarkstars short block? It might help inform the camshaft he ends up with. I still think that something in that ~235*/~255* range would make a ton more than what's in there now and still be pretty well mannered in a 416. I would think the bigger displacement might shift the range for the X1 down a bit - but it definitely is gonna want make power out to and into the 7k+rpm range.
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We do not spin that shortblock more than 7000rpm. With that said, that is what we suggest the limit is. If you are constantly beating on the rev limiter with any engine, you can only assume that it's life will be shortened. Obviously you can spin the shortblock faster, but you have to understand that it will decrease the life of the engine depending on how hard you run it. This is not advised.
Power depends on a lot of variables, but I would imagine increasing the intake/exhaust split from his existing cam would help up top.