I have and Lly and lml now. Lml is deleted and I can get 22 on the highway. Sad that it does so much better than the burb. Lly has 200k on it and runs like a top.
Would like to do a 6.2 swap but trans is different from what I've read. Would really rather swap an lmm/Allison combo and crank it to about 600 horse. Be a good kid picker upper.
Just found this place. Have an 07 burb with the crappy afm 5.3. Was wondering about a 6.0 swap. Gas mileage wouldn't be much worse. Has a160k miles on it and is using a quart of oil in about 2k miles. Also have a couple duramax's as well.
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