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#39: 08-16-2012, 10:09 PM
 
 doccrowley
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Title: FahrvergnügenWagen
Rank: Donating Member
Location: Utah
Car: 06 Audi S4 Avant IMOLA Yellow
Posts: 2,597
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On another note, yesterday I took the JDM equal length exhaust manifolds off my GT to see if they were the source of my chronic overheating during 4th gear pulls. I had a Mishimoto Alu MT radiator installed after a Grimmspeed 160* thermostat and water wetter didn't lower the overheating at all.

So, revert back to stock exhaust manifolds and now my af/r gauge miraculously works after 4 months of what I thought were af/r programming issues in the LC1 software. So, my current tune was done with that manifold and O2 sensor not doing the job.

Looks like I'm getting a new tune.....