Also, people have been asking if I use 93 octane.[/QUOTE]
I use premium fuel only, the price difference is not that much per tank and when you use the cheap stuff you loose a little bit of power about 20hp because the computer takes out timing to prevent detonation. Run a tank of 93 and see if you notice a difference. It shouldn't hurt anything using 87 but I don't see the point also if you get a tune you will probably need to run 91-93 octane anyway.
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