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...
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NC,
7% is 7%, still takes for my setup any how, 135hp for the level part, 40hp per % to go 60, so 135 plus 280 equals 415hp! That is an amount 5 years ago, that was not std spec for too many motors in ANY vehicle! The new specs with a minimum grade to pull at 12%, is really not enough when around here, I see grades upwards of a mile with stop signs/light every block or two that are in the 18% range. Folks are not taking 5w's up there per say. But contractors like myself, have to get our equipment to job sites, so trailers/gcw's equal to what you are pulling go up those grades.
The only thing the rockies have that you and I do not have locally, is elevation. Which as mentioned, a non forced induction motor is losing 3% of its hp per 1000'. So yes, at the top of Eisenhower you are down 33-35% of you sea level hp. Which is a bunch, that one does not make up. But it still takes the same amount of hp to pull that grade, yeah then plus enough on top to make up for the elevation drop. We really do not need IMHO 550-600hp motors in our pickups. I am sure some want them. But do we really need them.
Going up to Timberline on Mt hood is 10% for 6 miles. I've towed a trailer up there a few times. no big. switch backs and all. Came down in a blizzard with 40-50 mph winds, with chains on the truck and trailer once too. No big....
Marty
7% is 7%, still takes for my setup any how, 135hp for the level part, 40hp per % to go 60, so 135 plus 280 equals 415hp! That is an amount 5 years ago, that was not std spec for too many motors in ANY vehicle! The new specs with a minimum grade to pull at 12%, is really not enough when around here, I see grades upwards of a mile with stop signs/light every block or two that are in the 18% range. Folks are not taking 5w's up there per say. But contractors like myself, have to get our equipment to job sites, so trailers/gcw's equal to what you are pulling go up those grades.
The only thing the rockies have that you and I do not have locally, is elevation. Which as mentioned, a non forced induction motor is losing 3% of its hp per 1000'. So yes, at the top of Eisenhower you are down 33-35% of you sea level hp. Which is a bunch, that one does not make up. But it still takes the same amount of hp to pull that grade, yeah then plus enough on top to make up for the elevation drop. We really do not need IMHO 550-600hp motors in our pickups. I am sure some want them. But do we really need them.
Going up to Timberline on Mt hood is 10% for 6 miles. I've towed a trailer up there a few times. no big. switch backs and all. Came down in a blizzard with 40-50 mph winds, with chains on the truck and trailer once too. No big....
Marty
