6.0l vortec vs 8.1l with allison gas mileage
I'm considering the purchase of two different trucks. Has anyone had experience with comparing the gas mileage for a a 6.0l vortec vs an 8.1l paired with the allison transmission?? For my purposes...
Forum Discussion
That 2001 will have a 5 speed Allison won't it?
Are you concerned about towing or non-towing mileage?
From what I have read, towing mileage will be similar. Non-towing the 6L/6 speed will be far better. At least the 20% that carringb mentioned if not more.
Are you concerned about towing or non-towing mileage?
From what I have read, towing mileage will be similar. Non-towing the 6L/6 speed will be far better. At least the 20% that carringb mentioned if not more.
