Right temperature; coolant

Jan 10, 2006 2 Replies
J

I run a 1991 Pontiac Grand Prix that had an engine replacement at



100,000 miles. It orginall had a 4 cyl and now it has a V-6.

In the original manual, it said that it should use 50/50 coolant, half-water, half-coolant.



Can I assume the same for the replacement engine?


Also, I just got my head gasket replaced. Before the replacement, the engine would run around 220. Now it runs at about 180. It also takes a while to heat up, whereas before it went right up to 220.



Which is more "normal"?


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D

some of the little pontiacs use 180 thermostat,, but generally youll find most cars use 190-192 t-stat. auto parts guy can tell you. thing is,if you use too cold t stat, your going to get poor gas milage .

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