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Ed Wright · 05-29-2016, 07:19 PM

Because journal diameter tells you how much oil clearance is needed. .0025"/.003" is fine. How about your rod journal dia & clearance?
I ran a vacuum pump on mine before I made an SS legal car of it. I used the same pump and clearances then as now. I have seen no difference in bearings. I doubt it's the pump.
How much oil pressure?

05-29-2016, 07:19 PM	#3
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 389 Times in 169 Posts	Re: Vac pump destruction / mystery Because journal diameter tells you how much oil clearance is needed. .0025"/.003" is fine. How about your rod journal dia & clearance? I ran a vacuum pump on mine before I made an SS legal car of it. I used the same pump and clearances then as now. I have seen no difference in bearings. I doubt it's the pump. How much oil pressure? __________________ Ed Wright 4156 SS/JA Last edited by Ed Wright; 05-29-2016 at 07:22 PM.