Q: I need to know about gas & oil additives.

asked by on January 02, 2017

I have a 65 Mustang that has been parked for approx.5 yrs. I have completed all work on the car except paint and that's next.The engine is stock and rebuilt. I need to know if I should use oil & gas additives or syn. oil because of valve & fuel issues.

My car has 120000 miles.
My car has an automatic transmission.

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