Quote:
Originally Posted by tentcamper
I would not be concerned about it if my TV had good amintance. Take it slow on the step grades. Downshift going down so you are not riding your brakes Stop and let the TV cool down if you think its starting to overheat.
The standard of interstate highways has a limit of either 7 or maybe it's 7.5% of maximum grade.
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I recall there were steeper trades on the Coquihalla, but they seemed to go on forever. this is one of many that seemed to go on forever. 17km would be about 8 miles. If this was the only one, I can handle it. I put the truck into 2nd and I rarely needed the brake. I was able to keep my speed below 80 km /h (50 mph) and my brakes kept cool. If I found my speed was not staying below 80 kph then I'd brake to a more managable speed.
Climbing these grades is a greater concern. I'd find after a half mile my engine temperature would rise if I was using the A/C. I'd climb in 2nd and shut down the A/C. I don't mind a couple of short runs like that. But, IF you actually overheat on the Coquihalla, there is NO place to pull over! The shoulder you see in the picture is rare.