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Re: couple of GT questions
That is true about the octane and the additives for most cars, however it does make a difference with the supercharged cars. Not because of heat, it is due to the extra compression from the supercharger. These cars must have the higher octane. do not use less than rated on any car that obviously displays what the octane rating should be. using higher than rated is not really good or bad. A good rule is use the minimum rated fuel for day-to-day driving and use the "best" in one tankful a month for the detergents. This helps with injectors and passageways. From extensive research, Use Amoco Ultimate or Silver for the good stuff. Gasoline is gasoline for all gases except these. These are the only patented gasoline on the market.
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