its a waste of money unless you're running 14:1 compression. Run good quality 93 octane and you're good to go.
its a waste of money unless you're running 14:1 compression. Run good quality 93 octane and you're good to go.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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