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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.

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.