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Old 11-16-2006, 01:43 PM   #1
Silver Mist
 
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1977 31' Sovereign
Riverhead , New York
Join Date: Aug 2006
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PCM programming or chip for more HP and MPG

Anyone have their TV pcm or computer programmed for more mpg and or HP and Torque?

What brands

what are your results?
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Old 11-16-2006, 02:43 PM   #2
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2006 28' Safari SE
Winter Park , Florida
Join Date: Mar 2006
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I've got an '04 Chev Avalanche with the 5.3L engine and have done a number of things to it because my AS is right at the limit of what the Avvy is rated to tow ... I'm trying to buy some time until I can buy one of the new diesel TVs that are supposed to be a year or two away. Anyway, I've installed:

1) tranny oil cooler;
2) Diablo predator programmer;
3) Corsa cat-back stainless steel exhaust;
4) Brute force air induction kit.

If there is a mileage benefit, it is negligible. It definitely sounds better (i.e. "badder") without being too loud b/c I chose the Corsa "touring" exhaust which is quieter than other exhaust systems. It definitely has more power in the mid- to upper-RPM ranges. When I hit about 2500 RPM it really takes off. However, at lower RPMs and towing I haven't noticed a great difference, so I don't think the torque benefit is significant. Bottom line I would say (i) horsepower/fun factor - UP; (ii) torque - Not much change; (iii) gas mileage - Not much change.
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Old 11-16-2006, 05:05 PM   #3
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2004 25' Safari
. , Illinois
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I did. I used:

www.pcmforless.com

Pretty satisfied. Noticeable difference and my 96 Chevy sedan didn't have tow/haul, so they locked to torque converter sooner, so I could tow in OD. Put many thousands of miles on it with that config and it worked well.
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