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Old 01-04-2022, 09:39 AM   #8
ACS
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Join Date: Feb 2017
Location: Ontario Canada
Posts: 136
Re: What oil are you using in an older flat tappet motor?

Quote:
Originally Posted by sick472 View Post
I've been using the Rotella 15w-40 in my older V8 vehicles ('67 to '85) for several years now. 13k miles on one, 2k on another, and 20K on a well used 350 which has recently been rebuilt with 2k on it currently...so, not a lot of miles on any of them and no oil expertise on my part. It is said to have more zinc than most AND I like the way it smells, lol.
Same. I buy it by the 5 gallon bucket and change it regularly with a quality filter.
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