Great story on the Avalanche....
The 4L85 transmission was the most HD trans GM ever offered outside of the Allison. My truck towed our 10k racecar trailer with never a whimper. I’d still have it if I could have figured out a way to drag a 5th wheel with it. I ended up letting a friend talk me out of the truck..
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Regards - Randy
2017 Thor Vegas 25.5
Randy’s Rod Shop & Fabrication
Midlothian, TX / Gold Canyon, AZ
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