█╚98banshee╚█ Posted July 23, 2008 Report Posted July 23, 2008 i have wiseco racing pistons and a cool head with 20cc domes is premium pump gas ok to use. Quote
TeamRealtreeHD Posted July 23, 2008 Report Posted July 23, 2008 It all has to do with compression... but I would say you are ok depending on your elevation and compression. The lower cc domes you run, the higher compression you will get = race gas. But with your setup, you will be alright. Check your compression to be safe. It shouldn't be too high, therefore, you can run regualr pump gas. Quote
BellicoseBanshee Posted July 23, 2008 Report Posted July 23, 2008 Timing as well... If the timing is stock, premium pump gas should be safe to 160-165 psi. If the compression is over 150-155 psi and the timing is +4, mix 20% to 50% race gas with premium pump gas just to be on the safe side. Quote
█╚98banshee╚█ Posted July 23, 2008 Author Report Posted July 23, 2008 Timing as well... If the timing is stock, premium pump gas should be safe to 160-165 psi. If the compression is over 150-155 psi and the timing is +4, mix 20% to 50% race gas with premium pump gas just to be on the safe side. thanx Quote
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