el ess A |
06-30-2015 06:19 AM |
Quote:
Originally Posted by Bodywerks
(Post 8508615)
Or do the mods, bump up compression, and run the race gas permanently to pick up 30+ over what the mods would pick up. Just sayin':iono:
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Roll that dice. Octane ratings for pump race gas are AVERAGE. So the gas you used one day, may have better octane rating than the next. Thus you just inserted a variable into the equation, risking problems. Use only enough octane to keep your car from knocking. Anything more is a waste. In fact you can actually lose power if your octane is too high.
I would never recommending tuning for a particular grade of racing fuel like that, but hey, it's your grenade.
For stock, and if you have 93 pump gas plentiful around you, tune for that and call it a day. If you want more, put headers on it. From a cost standpoint, considering that the Sunoco at 7 bucks/gal is about double what you pay, you could pay for those headers quickly than "renting" the HP through the gas. Using 93 and at say, 20 mpg, the headers could pay for themselves in about 8500 miles.
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