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Old 06-29-2009, 12:51 AM   #6
AMS Performance
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Join Date: Sep 2008
Posts: 1,313
Drives: AMG
Quote:
Originally Posted by Ubergeist View Post
I have some of the service records on the car.

Currently the car has 38,000 miles.

Spark Plugs were changed at 31,000. As well as the fuel system was checked and a new fuel filter and belts at the same time. However, it still has the original air filters, in it as their sevice interval is 60k. I plan on swaping these out for K&N's.

I don't have a copy of the afr's but if I remember right, it was sitting around 12 or so.

The weather was 88F and 43 percent humidity.

Its running a bit rich, and the power curve is a bit rough. Your filters are probably clogged up. Ya, Go with a set of K&N filters, that should fix your problems. hope that helps.
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