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03-28-2005, 09:51 PM
Hey, I've got an 89 GTS-T and am wondering octane rating for gas I should be using. I've heard not to run 91 octane and I've heard to run 96, but I've also heard not to run anything in the 90's. Some help here would be awesome!
03-29-2005, 03:02 PM
Where are you located, that will help me know which octane you are talking about.
Run the highest octane you can.
03-29-2005, 03:24 PM
if you live in the US use 93-oct, if elsewhere then use 96-oct.
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