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Latest project ... for you gearheads


mustang guy

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I'm guessing the original ECM gets tossed? How does that work. I have a '07 GMC Sierra SLT myself, your creating BAD thoughts in my head. Stick out tongue

I guess I'm wondering if an engine like this could be installed and retain the original ECM tuned for this motor.

I don't think an 07 would be a candidate for this kind of surgery. There are lots of things you can do, though! For less money than I have in this, you could buy a supercharger kit for your 07.

Here are a couple threads on the topic for those interested in getting around the stock ECU's:

http://www.gmfullsize.com/forum/showthread.php?t=145089

http://www.s10forum.com/forum/f13/holley-tps-for-carb-for-4l60e-461127/

Personally, I am going a different route. I am using a TCI controller for the transmission, the new ECU for the engine, and I will be sending the apropriate sensor info to the dash, so the guages work. I will disable the check engine light. I have actually done this before, and it is a little confusing, so you really need to take your time and sleep on it....

The 94 Sierra had 165 HP in a 350. Very unsatisfactory! Now it will have 385 HP, and 385 LB FT torque.

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