Quote:
Originally Posted by hondaworkshop
My '00 Civic (with knock sensor) is showing ~10% mileage improvement with a WAI pulling hot air from right next to the exhaust manifold. Aside from driving style, it has been the best single thing I've done for FE.
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I'm up almost 2mpg after adding some baffles restricting cold ait flow. Around 5%, but then the ambient temps were a bit higher (8-10 degrees) as well.
I did some IAT monitoring last week as it relates to fuel flow. While it has a positive impact (45-115 degrees), the FWT increase has the biggest fuel flow affect across the range. Changing timing has less overall effect than friction reductions it appears. Now with summer approaching, the WAI may be icing on the cake.
http://forum.ecomodder.com/showthread.php?t=1506