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Old 09-11-2019, 01:47 PM   #2
Mts67C10K20
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Join Date: May 2017
Location: Dowagiac Michigan
Posts: 194
Re: Oil confusion, please help!

Here in Michigan I've always run 10w40 conventional oil
In my flat tappet cam engines

The article below is a good read on oil difference



Engine Oil Testing Results | The De Tomaso Forums
https://pantera.infopop.cc/topic/eng...esting-results
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