Originally Posted by EastCoastCB
My 643 did ok when I went down Monteagle in TN, but the REAL mountains out west... I'd want a retarder.
You can get around having one, but we are talking about planning ahead here.
This is nothing compared to the Rockies!
it sounds like it ran nice N smooth.. what did you do take it down to 3rd gear?
I was out in utah this week for work and noticed almost ALL the school bus in the town south of SLC where i was were thomas and bluebird RE's (big long ones) and it sounded like they had Jake brakes.. now mind you I dont know the differenct between a retarder and a jake brake but it sounded loud like what the semis have...