OP
OP
- Thread starter
- #31
Update-
I did some high elevation (5,000+) and temps (100+) with a heavy load. We took the trailer, 3 people/stuff, and a weeks worth of food to Crater Lake.
The truck continued to do great on the highway, but I was definitely aware of the additional weight when maneuvering, breaking, etc. (as with any heavy load).
There was definitely a power struggle going up the mountain. We were in some of the worst conditions for multiple hours (low speed, frequent accelerations up hill, regular breaking down hill), all in 90-110 F heat and at ~5,000 ft of elevation.
Overall, the truck still did well. But, there were times I slowed down to 35-45 mph (55 zone) going up hill when temps started to get high. Good news, the transmission and PTU didn't go over 200 F most of the time, and the Mav is pretty good at cooling itself when given the chance.
I did install a larger CVF intercooler (wire up here) and the intake temps stayed incredibly low (rarely over 135F), which I'm sure helped a lot. I'm also glad I had the scanner (OBDLink MX+) to monitor the temps and back off when things got hot. I was worried when the cylinder head temps started pushing over 280F with the coolant temps following suit. This is where I slowed down and the truck was able to cool itself down.
Without the scanner, the Mav showed 1 extra bar on the temp gauge (5 instead of norm 4). So if you're towing a heavy load, just back off a bit when you see it start that warm up.
Verdict- Mav still the best
I did some high elevation (5,000+) and temps (100+) with a heavy load. We took the trailer, 3 people/stuff, and a weeks worth of food to Crater Lake.
The truck continued to do great on the highway, but I was definitely aware of the additional weight when maneuvering, breaking, etc. (as with any heavy load).
There was definitely a power struggle going up the mountain. We were in some of the worst conditions for multiple hours (low speed, frequent accelerations up hill, regular breaking down hill), all in 90-110 F heat and at ~5,000 ft of elevation.
Overall, the truck still did well. But, there were times I slowed down to 35-45 mph (55 zone) going up hill when temps started to get high. Good news, the transmission and PTU didn't go over 200 F most of the time, and the Mav is pretty good at cooling itself when given the chance.
I did install a larger CVF intercooler (wire up here) and the intake temps stayed incredibly low (rarely over 135F), which I'm sure helped a lot. I'm also glad I had the scanner (OBDLink MX+) to monitor the temps and back off when things got hot. I was worried when the cylinder head temps started pushing over 280F with the coolant temps following suit. This is where I slowed down and the truck was able to cool itself down.
Without the scanner, the Mav showed 1 extra bar on the temp gauge (5 instead of norm 4). So if you're towing a heavy load, just back off a bit when you see it start that warm up.
Verdict- Mav still the best
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