Quote:
Originally Posted by bigben
We've got the 5 speed and it does a very steady and deliberate job of braking going done steep inclines. After going through the Rockies to include Ten Sleep, Wyoming - I came to love the engine braking. Pulling a 4500 lb Explorer behind a 12 ton Challenger - I really came to depend on it.
Reading some of the forums (specifically the IRV F53 forum), the 6 speed for whatever reason doesn't seem to do as well.
On the flat and small hills, the 6 speed far outshines the 5 speed but gotta say - I needs the help stopping this 13 ton monster on 6 degree downhill.
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Then stay off west bound Vail Pass til you get it figured out. Up here in Colorado we call it the bone yard. West bound Vail Pass 1-70 has 6% grade for 12 miles straight with two runaway strips for the big rigs. with regular use. lol. It would be interesting to hear how the 5 speed and the 6 speed performed on that hellish strip of asphalt if anyone's done it this year.
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