87banshee_rider Posted October 29, 2005 Report Posted October 29, 2005 I was wondering what kind of mods you can put on until you cant run premium pump gas anymore? Is there a general compression that applies as a rule of thumb? I want to put mods on but i want to keep running on pump gas? Any help would be apreciated. Quote
decon Posted October 29, 2005 Report Posted October 29, 2005 anything over 160 needs to run on race gas (mixed/straight). milling the head .30 and +4 advanced timing is as much as I would go (sea level), but it depends on your altitude. Quote
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