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1963c-10 · 07-15-2015, 03:59 PM

I would run an additive with the zinc no matter which oil you go with. Many threads here on flat tappet cams and the zinc or lack of in the moden oils

07-15-2015, 03:59 PM	#6
1963c-10 Registered User Join Date: Nov 2011 Location: fayetteville nc Posts: 10,338	Re: Which grade oil should I use for my motor? I would run an additive with the zinc no matter which oil you go with. Many threads here on flat tappet cams and the zinc or lack of in the moden oils __________________ 1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer