We are considering a new tow vehicle.
We now have a 2005 Suburban 2500 w/Vortec 8100 496 cu in V8 (325 hp at 4200 rpm and 447 lb·ft of torque at 3200 rpm) and 4.11 axle ratio. It is rated to tow 12,500 lbs and our trailer is a Keystone Ou...
Forum Discussion
None of the engines listed will give you the towing ease of the 8.1L because none of them have the effortless "low end" torque the big block has. It's got 455 ft lbs at 3200 rpm and 400 ft lbs at 1100 rpms. You've got to really wring out an eco boost to even aproach those kind of numbers. The 6.2, not as much. Think about all of those 5% grades that your Suburban takes without downshifting. It's diesel like. I know because I,ve pulled my 8000 lb rig all over the southeast with my 2001 2500.
