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Mike Taylor 3601 · 07-25-2012, 04:07 PM

1/2 or 3/4 either should be fine 3/4 groove will oil rod a little longer than half. Full groove will oil rod all the time,which is same thing cross drilling crank will do.
Mike Taylor 3601

07-25-2012, 04:07 PM	#3
Mike Taylor 3601 VIP Member Join Date: Oct 2008 Location: Somerset,Ky Posts: 1,371 Likes: 353 Liked 306 Times in 103 Posts	Re: BB chevy main bearings ? 1/2 or 3/4 either should be fine 3/4 groove will oil rod a little longer than half. Full groove will oil rod all the time,which is same thing cross drilling crank will do. Mike Taylor 3601