Quote:
Originally Posted by 2011 Nismo#91
I wouldn't say it's all bad, if it was at my racetrack I would use it over other options. Higher Octane and runs just a little bit cooler.
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After learning a TON with Seb doing the logging for my flex-fuel tune, the benefits of using E in extreme heat is so obvious. in 90F ambient, my car will retard timing by quite a bit to protect itself on 93, but something like E75 i saw absolutely no timing correction. Also thanks to my dash, i get digital readouts for the coolant temp and i would say it does seem to run a tad cooler, but im talking 1-2 degrees F.
Not to mention my car doesnt smell. (even with the LTH-HFC setup). I don't think there's any good reason to run test pipes with better HFC technology now unless you're doing competitive racing.