#31
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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. |
#32
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Re: Pre and post turbo injection in an audi b5 s4
Maybe 200km with mainly high revs.
My engine is 8.5:1 compression with stock head and GT2560R turbo. |
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