What oil and Coolant to be used on a 93 GTO
I use penzoil high mileage in both of mine. 10w-30. Require green colored coolant in radiator.
rotella T6 is great oil one of the best and actually cheaply priced,, these engines produce a lot of heat and rotella Is made to take it,, or you could go with amsoil.. its pricey but worth every penny,,, make sure you use a quality filter as well other wise its for nothing,, I love WIX probably the best you can get, better than K&N,, next best to that would be Purolator
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