ARP Main bearing studs

RustyRatRod said

Does Doug say somewhere "WHY" main studs are needed on a slant 6? Or maybe a better question would be at "WHAT" point? I'm just curious as to "WHERE" on the performance scale anyone would think they are needed. @Charrlie_S for instance has run some stout numbers with nitrous involved and "I don't know" if he's ever used studs or not? Certainly, they will make the bottom end stronger, no doubt.

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Doug, (in his book) doesn't say to install studs, vs bolts, he only points out that "after market stuff" may be too long and obstruct the oil passage. What I was eluding to was, I screwed the studs in until you could barely see them (with a light) coming into the oil passage port and stopped right there. At that point all of the threads of the stud were captured by the block. what was causing me to second guess myself, was reviewing the example picture in his book on page 80, picture 23. I'm sure the the oil port, doesn't come through the threaded portion of the block, but through the hole you can look into? So I take it that if the stud isn't "grossly visible" in the hole, you are good. Comments?
Norm