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How much abuse can the stock main caps take? At what point should one switch to aftermarket caps?

Is there any difference between the G3 & G4 caps?



Thats a good question. One of our G3 dyno mule's was pushing a 1000 boosted hp and the other one, N/A was spun to 8,000 rpm. Both engines were torn down after every session and I've never seen any indication why you would need aftermaket caps. BTW, both those motor's used ARP stud's.

Have a G4 sitting here, just haven't torn it down yet, but I'll go out on a limb here and say that there might be a difference. Board member STEFF would know more about the caps since he's had the chance to build both the G3 and G4.



I'm going to take a guess and say yes the did change the caps.
But knowing my luck I will probably be wrong