Try a 10w30 or 5w40 oil. 5.3 is just a high wearing engine, typical of GM v8s
Mobil1 5w-30, 4049 miles, GMC 5.3L V8
- Thread starter bigdawg74
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Originally Posted by Powerstroke
Try a 10w30 or 5w40 oil. 5.3 is just a high wearing engine, typical of GM v8s
10W30 is just as thin hot or thinner as 5W30.
Try a 10w30 or 5w40 oil. 5.3 is just a high wearing engine, typical of GM v8s
10W30 is just as thin hot or thinner as 5W30.
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