GM 5.3 engine
After towing for 26 years with a 1965 Chevy Van (w/292-TH350), DW and I are getting too old to put up with 100 degree temps in it cause it has no air. So we bought a pristine '04 Envoy 4.2 to tow o...
Forum Discussion
I towed a 5000+ lb scale wt trailer for several years with a Chevy Avalanche with a 5.3 with the 4 sp, over the Rockies and back several times. The 5.3 with the 6sp that is in newer GMC vehicles is a better combination and does get better gas miles.
