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Old 08-12-2008, 08:21 PM   #2
kevinr1970
Senior Member
 
Join Date: Aug 2004
Location: Everett, WA
Posts: 2,316
Re: What add-ons have yall added for milage?

Exhaust, intake = note noticeable difference (despite their claims)

Wait4me PCM tune:
Before - 17/18.5 (Regular gas)
After - 18.5/21.5 (Regular) / 19.5/~23.2 (Super)
Both these are based off of single trips/tanks of gas. Need more trips to get true "average". But I have noticed that the past few times I have filled the tank I have averaged just over 20pmg with mostly mixed driving with small weekend trips thrown in.

I would like to try a few more things but haven't heard of any real noticeable MPG/power gainss unless you are prepared to spend some money.

Next big ticket item will be headers but not sure when that might happen.
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2009 Honda Fit CfC (bsf 44.9 mpg)
2000 Tahoe Limited
1991 GMC CrewCab Dually 2wd, will end up swb, not dually and replace CCswb below
1991 GMC CrewCab Dually 4x4, just going to fix things up for now
1982/1989 K5/GMC Jimmy 2wd
1987 GMC 1/2 ton swb 2wd Crew (sold)
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