Re: Motor Oil
I have a 331 SB Ford in my 4 speed bracket car, with a flat tappet solid lifter cam. Shift at 6800, 7200 thru the traps at 128 MPH. I have been using Brad Penn Penngrade 1 10-30 oil for years. Also use it in my 427 & 428 Ford FE flat tappet engines.Works great in my buddys solid roller engines as well.
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NHRA 6390 STK
M/S 85 Mustang
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