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How many 8.1L/496's out there?
Ordered my 2004 2500HD CC 4x4 from factory loaded with the 8.1L/Allison combo. Been a great truck for me and now is no longer my daily driver. The 65 mile round trip commute warranted a 30MPG Accord.
Aside from the piston slap at cold start, my truck has been very solid, requiring very little maintenance. Allison leaked a little, and they replaced the torque converter (both covered under warranty). Did brakes and shocks a while back. Just over 100k miles so far.
Who has the Big Block? Challenges? What do you like / dislike?
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'72 Chevy K-20 Crate 350, SM465, 4.10's
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