Does synthetic oil improve MPG?
04-15-2009, 08:14 PM
#22
Senior Member
Join Date: 08-19-2007
Location: So.Cal.
Posts: 829
I run Synthetic oil on all my cars and have since the mid '70's. race cars and street. Reduced engine wear, run cooler(older hi po stuff) and better Fuel economy. I even went 80k miles on a Vega before it needed to be rebuilt.
04-15-2009, 10:15 PM
#23
Senior Member
Join Date: 03-29-2009
Location: Quebec City
Posts: 1,097
Ran my 91 Chevy Cavalier RS 3.1 V6 on 5W30 Amsoil synthetic oil for 16 years, without a problem. Best car I had so far. There will be no other oil than synthetic oil in my cars/trucks. Starts in the winter like it's summer. Synthetic oil improves everything (in terms of performance). Oil is the blood of the engine.
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