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Lousy mileage? HELP!!

 
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Old 09-03-2007, 07:57 PM
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Icon5 Lousy mileage? HELP!!

I just recently bought '91 Prelude 2.1 rebuilt and am getting pathetic mileage (260 miles on full tank). Am new to the Lude scene and wonder what may be causing this? I recently changed plugs (NGK's) and am awaiting a Ludespeed CAI in the mail. Any other suggestions/comments would be much appreciated. Good lookin' out!!
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Old 09-03-2007, 08:31 PM
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try some mobil 1 full synthetic oil, i got better mileage by putting that and a nice k&n performance oil filter in

might want to do research on this but i heard rumors about nitrogen filled tires getting better mileage then air, never looked into it though
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Old 09-03-2007, 10:27 PM
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Biggest factor is driving habits. Don't floor it, and avoid coming to a complete stop when possible, since it takes 25% more energy (gas) to get something moving from a stop, than it does to get something up to speed from a crawl. Look ahead, plan stoplights so you never stop, shift earlier, etc. It's kind of a game.

Check your tires, I keep mine at about 40psi.

Bad O2 sensors can worsen MPG.

Extra weight and crap in your car will be detrimental.

Drafting on the highway helps. Just pull behind a big SUV and let him spend all the $ for you.

Slow down. Higher speeds= more gas
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Old 09-04-2007, 04:08 PM
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Quote:
Originally Posted by Cash68 View Post
...Look ahead, plan stoplights so you never stop, shift earlier, etc...




260 for a full tank sounds average to me. I average that on my Si.

but yes, everything Cash68 said, but the above quote can help you achieve better MPG's.
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