1st hot (relative) day for the 4.2, temp displaying 88 degrees....
#19
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Yeah, I wasn't happy about that when I saw the pics...I should've gotten a pic going 130+ while I was buffing the dust away with the Pledge-wipes!
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#20
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At the 20k service, I went from M1 0W-30 to 0W-40. The oil temp is about 20 degrees lower. It is hard to tell and I may not remember exactally how it ran last summer.