Hello all, I'm brand new to tuning but excited to learn. I'm working on swapping a 2004 5.3/4l60e combo into a square body GMC. I've downloaded pcm hammer and tuner pro, just waiting for parts for a bench harness to show up to start experimenting...
Hello all, I'm brand new to tuning but excited to learn. I'm working on swapping a 2004 5.3/4l60e combo into a square body GMC. I've downloaded pcm hammer and tuner pro, just waiting for parts for a bench harness to show up to start experimenting...
dave w
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