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Old 09-01-2016, 07:27 PM   #1
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2015/2016 gmc 6.2l gas 420hp

Interested to hear from anyone who has one and their towing experiences. Thinking upgrading from 2013 gmc 1500 5.3l 315 hp we tow a forest river microlite 21fbrs weighing 4500+...does ok but would like more power..thanks...

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Old 09-01-2016, 09:23 PM   #2
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Before losing money on your present truck, there are some options you might consider. One is the AFM=Active Fuel Management system, this causes 4 cylinders to be disabled at times, which naturally causes problems when towing. One solution is the Range AFM disable module.
Another option is to increase HP with a Bully Dog tuner or a Hypertech Max programmer which also disables the AFM feature in your ECM, but does not increase HP as much as the Bully Dog.
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG retired;Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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