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What oil are you using in an older flat tappet motor?

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01-08-2022, 01:52 PM

#13

Axle

Registered User

Join Date: Jul 2011

Location: SW Ontario

Posts: 1,237

Re: What oil are you using in an older flat tappet motor?

Quote:

Originally Posted by 72c20customcamper

GTX classic high zinc it’s on the shelf at Walmart and my autozone

Got my interest, until I looked it up and they do not offer it in a 10w30. I drive my truck in the winter, 20w50 and 15w40 isn't an option. Secondary rant; even here in the cold north seems nobody carries anything but 15w40 diesel oil.

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