Order a LMM ECM with DPF / urea delete on it took over a week once they got payment to get it paid for overnight shipping they did not overnight it. As soon as I putt it in my truck 13 codes came on. Contacted them they said they would get back to me NEVER DID. My truck went into 55mph mode...
hey guys im making a tune for my buddies lly he wants it to be tranny safe for now but i dont know where to start on an lly. any suggestions?
wants about 70 horse, lb7 idle (already got that covered though), not to much smoke (gave him a lil more boost sooner). i figure timing and main quantity?
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