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Dark Knight · 05-31-2006, 01:10 PM

Pull an injector wire off. You'll be running plain air through one cylinder so the PPM's will drop a bunch. Denatured alcohol works too

How far off were you?

BTW, higher octane burns slower, so you'll have more unburned gas in the exhaust.

05-31-2006, 01:10 PM	#5
Dark Knight Registered Member Join Date: Oct 1998 Location: Az Posts: 854	Re: Looking for advice on passing sniff test Pull an injector wire off. You'll be running plain air through one cylinder so the PPM's will drop a bunch. Denatured alcohol works too How far off were you? BTW, higher octane burns slower, so you'll have more unburned gas in the exhaust. __________________ 84 convt,roller 302,AFR's, performer 3.55's, underdrives BBK shorties stock cam, 1.7's 13.58@102.84 and a '68 stang .. project 8 sec street car... 557 big block + N20 :-) http://members.cox.net/darkknight302/68nwrear.jpg