That's a heavy trailer, robandkat! I was thinking more on the lines of my Sister's old two horse trailer. I know it wasn't anything like what you have.
If you're pulling 7000#, I'd give VERY serious thought to 4.56 gears. And, get the tow tune optimized for that gear ratio. You CAN change the gear ratio in the Custom Options menu and it will correct your speedometer and shift points, but I feel reasonably certain Bill would adjust things a bit differently if he knew you were towing 7000# with 4.56 gears and 33.7's, vs having the stock 3.73 gears. Personally, I'd do the gear thing first anyway.
- Jack
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