05-11-2013, 01:29 AM
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#19 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: Houston, TX
Posts: 4,024
Drives: too slow
Rep Power: 3596
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Quote:
Originally Posted by XwChriswX
Is it a once/twice a year sort of thing, or every fill up?
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Beats me. I could say "depends on your conditions and habits", but honestly even if I knew those things, I don't have a fact-based answer for you. I definitely don't use anything in the fuel more often than once every few months, sometimes it's closer to a year.
I haven't done it to the Z in quite a long time now... but in place of that, roughly every 2nd or 3rd track weekend or so, I put a half tank of unleaded race fuel in the car, 98-octane Sunoco 260 GTX is usually what's available at a track pump. I figure that and the hard driving on a hot engine keeps things pretty pristine in there. It's normal street-driving conditions that gunk things up more.
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