Ram 2500 6.4L 12.5K Ike Gauntlet
TFLTruck did a Ike Gauntlet tow test of a 2015 Ram 6.4L 4.10. Identical axle ratio and load (12.5K) to the 2015 Chevy 2500 they tested a few months ago. The Chevy gives up ~50hp and lb-ft. Surpris...
Forum Discussion
The weakness of the 6.4's 1st and 2nd gear have been exposed. It's not a mystery.
My favorite part of the video is the 6.7 Super Duty with a trailer blowing by like they're standing still (21:52).
When the air is thin and grade gets steep, it's all about gear ratios. A 4.30 Ford 6.2 would most likely dominate this test.
On the other hand, there are combinations of loads and grades where the 6.4 will dominate.
My favorite part of the video is the 6.7 Super Duty with a trailer blowing by like they're standing still (21:52).
When the air is thin and grade gets steep, it's all about gear ratios. A 4.30 Ford 6.2 would most likely dominate this test.
On the other hand, there are combinations of loads and grades where the 6.4 will dominate.
