Thread: Pre and post turbo injection in an audi b5 s4
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Old 19-02-2015, 07:36 PM
mrx79 mrx79 is offline
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Join Date: Aug 2005
Posts: 34
Default Re: Pre and post turbo injection in an audi b5 s4
How much miles/Pulls did the plug's have seen?
I also agree, that this is a lot of soot for 13.5:1 AFR.

Mine look much cleaner on the top of the thread plateau even with 12:1 without WI activated.
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