12-07-2017, 04:56 PM
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#25
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Drives: 2017 Camaro SS M6
Join Date: Apr 2017
Location: LA
Posts: 447
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Quote:
Originally Posted by Whipple Charged
As one that pushes the limits on nearly every motor, I can tell you with 100% confidence those additives are very different. We only recommend true top tier gas which is Shell, Unocal, Chevron, Sunoco, Mobil and the big names. I can tell you, Costco gas will not react anything like any of the others listed. The difference in detonation is severe, Costco 91 vs Chevron 91, back to back was a difference of 4 degree's of spark, which resulted in 40+ RWHP. We've tested many others in real world and its very important when modified. If your stock, its not as critical.
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Wait, Costco gas can cost you 40whp??
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2017 Camaro SS - Kooks Long Tube Headers 1-7/8th - EFI Flex Fuel Kit - Megan Racing Coilovers - FORGESTAR F14's 20x9.5 & 20x11
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