Posted by Clint Dixon [108.162.216.199] on Sunday, September 09, 2018 at 19:10:43 :
In Reply to: Re: straight 90 weight posted by Jerry Henry [108.162.246.8] on Sunday, September 09, 2018 at 19:04:44 :
I use 140 weight here in Illinois (per the Dodge W-Series service department lubrication wall poster). It recommends 140 weight for any temperature above 32 degrees. But I find it works fine at our lowest temperatures here - about 25 below.
Junior
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