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Just wanted to post I dynoed my car before and after gms maf and lost 10 hp and 19lbs tourqe. I used a air fuel monitor the car runs rich the whole way through power band.With the stock maf, screens removed car runs alot closer to perfect mixture. I dont know if this is just how my car acts. I also did some quarter mile testing after a learn time of 200 miles. My mph dropped about 1 to 2 mph, same 60fts, temp and track conditions. almost identical.
 

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Mr Ticket:

Welcome to the forum!

I sometimes wonder about these "so called" hp improving gizmos! /phpBB/images/smiles/icon_rolleyes.gif /phpBB/images/smiles/icon_rolleyes.gif Have you tried getting your money back?

Zippy /phpBB/images/smiles/icon_smile.gif /phpBB/images/smiles/icon_smile.gif
 

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I had 2 different GMS MAF's and my car ran better and dyno'd better with the stock MAF with aftermarket ends, very interesting I guess I was not alone. /phpBB/images/smiles/icon_frown.gif
 
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