Originally posted by crxb16er
yah thats a quick tip for passing emissions because the 91 integra ecu tends to run rich for the zc which is what ive experienced which throws u out of spec for the testing, but the hf runs pretty smoothly and leans out the gas usage quite a bit which helps pass emissions, i always have a spare hf ecu in my garage they are pretty worthless as far as making any $ off of them though.
cool, thanks. i just won a pm6 on ebay so i will have my regular ecu to daily drive, and my "emissions ecu" as a spare. i really apreciate the advice.