Forum Discussion
bmanning
Dec 25, 2013Explorer
MX-RV wrote:
Funny as the specs in the brochure specifically said Allison on the 2500 at least the 2010 I was looking at. No matter. I've got a 1500 seirra rwd ATM with the 4s and would love a few more gears.
Pickups get the Ally but the SUVs do not. But again, I think it's no issue as it seems the 4L & newer 6L series GM transmissions hold up quite well.
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