My daily driver and tow vehicle is my 01 GMC Sierra 2500HD, 8.1L, Allison, 4x4, regular cab. Have had it for 8.5 years. Just turned 196k this past Monday. Bought it with 40k.
My Javelin is in pieces as I slowly restore her.
How do you like the 8.1? Is it a good motor? My dad wants a 3/4 ton suburban to replace his 97 half ton, he uses it to pull a 6,000 lb camper and was wondering if it's as good as the old 5.7
I wouldn't waste my time with a 6.0. It's a great engine, but, the 8.1 is the cat's nuts for towing. Very reliable, too. Does not come with the Allison in the 2500 Suburbans or Avalanches, only the 4L80E.
What have you had to replace motor wise on yours?
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