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Originally Posted by HUMMJAY
JWS- you've had the new pcm for a couple of months now,,, how's it working?? I've had 35's on my truck for about 9months and would love to get my milage and proformance back,,,, I'm on the verge of going back to 33's
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My 75 cents worth.
I love the pcm change along with my dual exhaust from Jason
I got the Billy Boat exhaust
http://www.somo.com/
Average 12 - 13 mpg with the 35's, but have no acceleration issues now
and shifts great.