2003 Avalache
We just bought a 2003 Chevy Avalanche 2500 8.1L - Do not now the gear ratio.. Standard Towing -10200 lbs Standard Payload -2146 lbs Standard GVWR - 8600 lbs Cargo is 2 adults(350lb, 2 dogs(130lb...
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Wow. I didn't know they even put the 8.1 in an Avalanche. The 8.1 is such an uncommon motor anyway, that this surprises me. That's a great engine that has never seen a gas station it didn't like. You'll be just fine!
