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What octane do you guys run thru your Zs? I didnt know if I had to run premium with the 11.3:1 Comp Ratio. Let me know asap, thanks
--------------------------------------------------------------------------thanks guys, just gettin ready to buy my first tank of gas and wasnt sure what the dealer put in it. WP, they make a gas additive that makes the gas smell a certain flavor (root boot, grape, pina colada, etc.) It doesnt effect speed or HP at all. It was originally designed for alcohol dragsters. Check it out.[/b]