Quote:
Originally Posted by booth8233
When i ran 87 my tips were clean, when i ran 89 they got blacker but didnt really see no difference.. im gonig to try 91, but idk i heard its just a waste.? i guess different opinions lol
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Not a waste at all. Its a fact. Our ecm will pull timing like crazy with 87 but will do so less with higher the octane giving you a better optimal consistent timing
