Duramax Lifetime Supporter
Join Date: Jul 2010
you dont need to put in bigger injectors. stock injectors can make 500-550hp with good tuning. With the lb7 the injectors have been know to be a very common failure. but you will blow through a tranny towing that much weight with 50-90 horsepower over stock.
07.5 GMC LMM CCSB 6"lift,painted my chrome wheels blue, efi live from duramaxtuner, cobalt gauges, dpf delete and straight-piped, bags and compressor, custom traction bars, 2015 mirrors
SOLD-lb7 ECSB lifted w/efi live