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i have a 2006 chevy truck and I have a superchip but i feel it still is under powered when i pull my 5th wheel...15+K.

I've read something about kennedy performance replacing the ECM. Can anybody tell me what this will do?
It sounds like all the ECM does is the same thing that my superchip does.

A performance ECM is running around $700.:cool:
 

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Call one of the vendors and tell them what you want.
 

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You have to be careful pulling a large 5th wheel with a tuner. The added fuel can cause the EGT to increase to dangerous level, and that can do major engine damage.

I suggest you install boost and EGT gauges, and monitor them while towing. Any EGT of 1400 degrees, and you are in dangerous conditions. The boost is a good indication of how the engine is performing.
 

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You have to be careful pulling a large 5th wheel with a tuner. The added fuel can cause the EGT to increase to dangerous level, and that can do major engine damage.

I suggest you install boost and EGT gauges, and monitor them while towing. Any EGT of 1400 degrees, and you are in dangerous conditions. The boost is a good indication of how the engine is performing.
X2:thumb
 

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+1 on gauges FIRST, don't skimp on quality/accuracy. I would look into EFI Live, you can waste a lot of time, money and engine parts on the "tuner of the day".
 

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^ I need to call you actually

But like jc1843 said, you should have some gauges in your truck if you are towing with any kind of tune
 

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I sent my ECM to IdahoRob for a single "do it all tune" and it was way under $700. There's several highly respected programmers on this site, take your time to search around. Like above, gauges are great to have while pulling heavy.
 
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