Black Mountain whooped my butt !!
I've been dreading our trip to Gatlinburg since we planned it and most of my fears came true. I just flat out ran out of horses coming up. When I got to the top I was in second running about 40mph a...
Forum Discussion
Rocky mtn states that is low. Here in NW 6-7000 is as high as passes go, Most are in the 3-5k range.
Issue is grade. Assuming 15K lbs, 90 sq ft of frontal area, you need 135 hp to go 60 mph. Then an additional 40 hp per 1% grade. So 240 plus 135 is 375hp. subtract that you have 21% loss of HP in your motor, or add in 21% to the above, you need well over 500 ponies for 60 mph. Obviously I hope, slower speeds need less HP. I am not finding a book I have with the how much hp one needs at different weights, grades etc.
I'm guessing, your 6.0 was doing what it was supposed to. But that 7K feet elevation also hurt you!
Marty
Issue is grade. Assuming 15K lbs, 90 sq ft of frontal area, you need 135 hp to go 60 mph. Then an additional 40 hp per 1% grade. So 240 plus 135 is 375hp. subtract that you have 21% loss of HP in your motor, or add in 21% to the above, you need well over 500 ponies for 60 mph. Obviously I hope, slower speeds need less HP. I am not finding a book I have with the how much hp one needs at different weights, grades etc.
I'm guessing, your 6.0 was doing what it was supposed to. But that 7K feet elevation also hurt you!
Marty
