Best and worst routes across the Mountains ?
The RV is a 23 foot 1974 GMC geared for cruising on flat interstates. PLanning an epic summer trip to the west coast, Grand Canyon, Bay Area, maybe portland and then Yellowstone. That give...
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I think you will be fine on the up grades, shift down to save your brakes on the down grades. Go down in the same gear you go up in or even lower. I recommend flushing the brake fluid if it has not been done recently. I have driven 3 class C motor homes over the mountains, the newest was a '78 and the oldest was a '73. The only problem I had was vapor lock in the '78, it was a 350 Chevy and I found if I burned premium gas I had no problems with it. The other 2 were Dodges and no problems at all.
Have fun and good luck!
Have fun and good luck!
