What oil to use in winter?
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Junior Member
Joined: Oct 2002
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From: DC Metro Area
What oil to use in winter?
I have an 83Z28 with an early 70s 350 SBC with a TH350. Its carbed and mildly modded. What oil should I use for the colder temps? What about hotter temps?
10w-30?
5w-30?
10w-30?
5w-30?
Supreme Member
Joined: Aug 1999
Posts: 1,443
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From: College Station, Tex USA
Car: 89rs
Engine: 400Sb
Transmission: Tremec 3550
a while back.. there was a comparison of M1
All weights of Mobil 1
It basically had 0-30 (yes, ZERO), outperforming all others. It had better pourpoint and the viscosity index was slightler higher than 5-30w. Flash point and all high temp measures were almost identical to 15-50w.
If your north of kansas, I saw zero or 5-30 at the most.
It basically had 0-30 (yes, ZERO), outperforming all others. It had better pourpoint and the viscosity index was slightler higher than 5-30w. Flash point and all high temp measures were almost identical to 15-50w.
If your north of kansas, I saw zero or 5-30 at the most.
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