coolbreeze01
Redding, Ca
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I don't remember any automatic that would downshift into an over-rev condition. Not even a Powerglide 
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Gale Hawkins
Murray, KY
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Joined: 07/22/2007
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Dave H M wrote:It would be interesting to know the per cent of graade and if it is interstate or state mountain roads. I never sownshift going thru the Smokies on the interstate on the 6 % grades - don't have to.
Also I run an old power stroke without an exhaust brake.
And I only have to use the brakes lightly occasionally.
Also I changed the factory pads at 120 some K.
So without knowing the grades and curves, maybe you have a non issue m 
Interstate seem to be non issues for the most part because you have no 25 MPH curves at the bottom of the grade. US 65 in the Ozarks does have these types of curves. The smaller two lane roads in the east KY mountains have these curves to deal with requiring hard braking sometimes even in first gear. 10-14% grades means the use of brakes even in 1st gear if there are curves in our 14K pound P30 with NO towing. As noted by others wind will do a lot of your braking on the interstate if you can travel at 60 MPH. Wind generally becomes a factor at about 55 MPH were the brakeing action starts to kick in.
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Dave H M
IL
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Joined: 08/11/2006
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Gale Hawkins wrote:Dave H M wrote:It would be interesting to know the per cent of graade and if it is interstate or state mountain roads. I never sownshift going thru the Smokies on the interstate on the 6 % grades - don't have to.
Also I run an old power stroke without an exhaust brake.
And I only have to use the brakes lightly occasionally.
Also I changed the factory pads at 120 some K.
So without knowing the grades and curves, maybe you have a non issue m
Interstate seem to be non issues for the most part because you have
no 25 MPH curves at the bottom of the grade. US 65 in the Ozarks does have these types of curves. The smaller two lane roads in the east KY mountains have these curves to deal with requiring hard braking sometimes even in first gear. 10-14% grades means the use of brakes even in 1st gear if there are curves in our 14K pound P30 with NO towing. As noted by others wind will do a lot of your braking on the interstate if you can travel at 60 MPH. Wind generally becomes a factor at about 55 MPH were the brakeing action starts to kick in.
I gree Gale - tht is why I was wondering about the terain he was gonna pull.
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jrstout89
Tehachapi, Ca
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Joined: 10/13/2009
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Dave H M wrote:Gale Hawkins wrote:Dave H M wrote:It would be interesting to know the per cent of graade and if it is interstate or state mountain roads. I never sownshift going thru the Smokies on the interstate on the 6 % grades - don't have to.
Also I run an old power stroke without an exhaust brake.
And I only have to use the brakes lightly occasionally.
Also I changed the factory pads at 120 some K.
So without knowing the grades and curves, maybe you have a non issue m
Interstate seem to be non issues for the most part because you have
no 25 MPH curves at the bottom of the grade. US 65 in the Ozarks does have these types of curves. The smaller two lane roads in the east KY mountains have these curves to deal with requiring hard braking sometimes even in first gear. 10-14% grades means the use of brakes even in 1st gear if there are curves in our 14K pound P30 with NO towing. As noted by others wind will do a lot of your braking on the interstate if you can travel at 60 MPH. Wind generally becomes a factor at about 55 MPH were the brakeing action starts to kick in.
I gree Gale - tht is why I was wondering about the terain he was gonna pull.
Some of my favorite places are the High Sierra sections of the state. I don't remember the grades I was pulling my 6k boat with a 2006 Tundra but to get to the lakes we go from sea level to 8000-9000 feet in 40 miles of switch backs. CA168 seems to be the toughest drive I've made so far (Fresno to Huntington Lake). I don't know how this rates for difficulty, maybe someone more experienced with the area could describe it better.
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Broccoli1
Los Angeles
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Push the Tow Command and enjoy.
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jeepsailor
Buena Park, CA
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Joined: 12/11/2007
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I have learned a lot here my self and would have asked a similar question, thanks all!
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