Oil pressure @ performance? - Page 2

Myron Piatek · 10-10-2011, 11:19 PM

When I change from straight weight 30-40w conventional race oil used for break in to synthetic Amsoil 5w-20 Dominator, not only does my oil pressure drop, I have to turn down the idle rpm!
I forgot the exact #'s on both, but it's obvious and gets your attention.

Ed Wright · 10-11-2011, 08:29 AM

Quote:

Originally Posted by Kenney Kelley

Danny this might be some help. http://www.superstockforum.com/showt...threadid=11549 Kenney Kelley

I have one of Larry's low volume pumps in my SS LT1. I set the relief spring to 40 psi. 40 psi @ 8500, cold idle is also 40, hot idle is 20 to 25 psi with 5W 20. Bearings always look like new, except for one time I tried Joe Gibbs zero wt. Saw some wear on 4 rod bearings. Won't try that again. Zero-5 (Used to be called "Race9") Royal Purple does just fine. I've never used over 40 psi through the lights. Used to use 30 psi in my Stockers. You have to have everything else right. Even with this pump the Royal Purple was worth 12 hp on the dyno.

Joe Schaechter · 10-11-2011, 09:22 AM

Here is another low drag pump option for a small block Chevy

http://schumannsdynamicperformance.c...43/SBC/LVDR5/8

Daran Summerton · 10-11-2011, 07:16 PM

I remember when putting 454 oil pumps on sb's was all the rage. This post has me wondering if you can run a sb pump on the 454? Special shaft???? Stock shaft??

10-10-2011, 11:19 PM	#11
Myron Piatek VIP Member Join Date: Nov 2001 Location: Florida Posts: 1,542 Likes: 34 Liked 138 Times in 51 Posts	Re: Oil pressure @ performance? When I change from straight weight 30-40w conventional race oil used for break in to synthetic Amsoil 5w-20 Dominator, not only does my oil pressure drop, I have to turn down the idle rpm! I forgot the exact #'s on both, but it's obvious and gets your attention.

10-11-2011, 09:22 AM	#13
Joe Schaechter Member Join Date: Mar 2006 Location: Moline, Illlinois Posts: 194 Likes: 1 Liked 13 Times in 4 Posts	Re: Oil pressure @ performance? Here is another low drag pump option for a small block Chevy http://schumannsdynamicperformance.c...43/SBC/LVDR5/8 __________________ Joe Schaechter 3168 STK

10-11-2011, 07:16 PM	#14
Daran Summerton Senior Member Join Date: Jun 2003 Location: Las Vegas nv Posts: 600 Likes: 18 Liked 66 Times in 37 Posts	Re: Oil pressure @ performance? I remember when putting 454 oil pumps on sb's was all the rage. This post has me wondering if you can run a sb pump on the 454? Special shaft???? Stock shaft?? __________________ 72 cutlass