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Ed Wright · 01-24-2015, 05:07 PM

The three race engine builders I respect most, of those who I am acquainted with, all tell me to seat the rings with Joe Gibbs BR30. I have been running Valvoline 10W30 racing oil in the black bottle this past year, NAPA store here has it in 6qt boxes. Cleanest oil filters I have had, can hardly tell the coated bearings have been run. Used to buy and carry Royal Purple "Race9" 0W10 oil in case I ever felt like I needed to "hop it up". After reading that I have wondered about Mobil1's 0W20 gas mileage oil for that. Would not be as hard to throw that much cheaper oil away after 1 or 2 passes. :-)

01-24-2015, 05:07 PM	#16
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: Interesting winter reading.... The three race engine builders I respect most, of those who I am acquainted with, all tell me to seat the rings with Joe Gibbs BR30. I have been running Valvoline 10W30 racing oil in the black bottle this past year, NAPA store here has it in 6qt boxes. Cleanest oil filters I have had, can hardly tell the coated bearings have been run. Used to buy and carry Royal Purple "Race9" 0W10 oil in case I ever felt like I needed to "hop it up". After reading that I have wondered about Mobil1's 0W20 gas mileage oil for that. Would not be as hard to throw that much cheaper oil away after 1 or 2 passes. :-) __________________ Ed Wright 4156 SS/JA