Lb7 into a 2007 avalanche??

DAVe3283

Heavy & Slow
Sep 3, 2009
3,727
296
83
Boise, ID, USA
Assuming the 2007 Avalanche is like a 2007 classic truck, and uses the 2003-2007 wiring, it won't be that hard.

However, in most states, it wouldn't be legal. You can only swap in a motor of the same year as the chassis, or newer. So check your local vehicle code and emissions laws first.

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