The 97' Jeeps summer fill

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So I put some QS "SUPREME" HD-40 in my 97' Jeep 2dr Cherokee ex county vehicle/parts and scrap hauler. Put 2quarts of it, 2quarts of Pennzoil 20w20 non detergent and rest was PYB SN 10w30. Left the TG-16 on for another 5,000 miles or so as it has 4,800 miles on it now. I have around 11 quarts of the QS "supreme" HD-40 stuff and 8 quarts of the Pennzoil 20w20; and no I doubt it will hurt anything.


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I used Pennzoil 10W30 IIRC, in those containers a very long time ago. A case contained 24 quarts.
 
Non-detergent motor oil? You sure you want to run that in your engine? Looks like something that should be used to lubricate door hinges.

SuperTech is 11 dollars and change for a jug.
 
Bubbatime: I ran some of this mixed with some QS Supreme 10w40 last fall for about 3k~ without issue. When I replaced the already leaking valve cover gasket; everything looked ok. I have about 5 1gallons of Rotella SAE 30 I thought of using with some PYB 5w30
 
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