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Run to Rund · 07-31-2010, 02:34 PM

As noted above, you don't need cam bearing oiling restrictors. However, don't drill new holes 180 deg. away or the original hole will be right under the bolt that holds the baffle plate. Drill the new hole around 160 degrees away and you will be fine. The Chevy lifters I have seen meter too much oil to the pushrods. With solids you can drill the lifter oil feeds to .135" and red loctite in allen set screws that you have heated red hot to detemper them and then drilled with a .040" bit.

07-31-2010, 02:34 PM	#14
Run to Rund Senior Member Join Date: Sep 2007 Location: Henderson, NV Posts: 583 Likes: 8 Liked 54 Times in 27 Posts	Re: Oldsmobile oil system mods As noted above, you don't need cam bearing oiling restrictors. However, don't drill new holes 180 deg. away or the original hole will be right under the bolt that holds the baffle plate. Drill the new hole around 160 degrees away and you will be fine. The Chevy lifters I have seen meter too much oil to the pushrods. With solids you can drill the lifter oil feeds to .135" and red loctite in allen set screws that you have heated red hot to detemper them and then drilled with a .040" bit.