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95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

Will port & polish affect mileage?

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Old Mar 6, 2003 | 07:46 PM
  #1  
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HaveBlue
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From: Colorado
Will port & polish affect mileage?
Just a quick question-
If a port & polish is performed on a cylinder head, will it affect the gas mileage?

Thanks!
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Old Mar 7, 2003 | 07:31 AM
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mhawker
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From: San Diego
Yes
Anything that increases HP will affect gas mileage. Not necessarily because of the modification, but because if your truck is faster, you'll be on the gas more!

Mike
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Old Mar 7, 2003 | 09:18 AM
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tomus1000
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From: Wallingford, Ct
If your driving habits don't change, It should improve mileage. The motor will be runing more effecient. I think.
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Old Mar 7, 2003 | 11:08 AM
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Los Gatos?
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From: b
Better flow = better combustion = better mileage, at least that's what I would assume. That is if you keep your foot off the pedal...
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