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Originally Posted by Robert C.
This is from David Butler: Cross drilling will not hirt a low horse power motor. But will supply oil to the rods when the oil hole is oppsite from the oil hole in the bearing. This will save the rod bearings.
They will have a semi knive edging done but not a full knife edge.
We are getting $500.00 down and the rest at shipping.
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I would suggest that both you and David Butler call Mr. Reher to discuss it further at length. I'm just a layman, but I can understand what he means by the oil pump having to overcome centrifugal forces to provide pressurized oil to that extra hole. Given that most Pontiacs run 60-psi or less, I don't see this as a good thing. I'll have to dig up that article from ND and post it here (or perhaps Tiki' can?).
Define "low horsepower motor". The whole purpose of this crank is for those making in excess of 750-HP, is it not? I mean, it'll be a better bet over a cast in any application, but the cast cranks have already been proven to 750-HP reliably.