My 2 cents
Mopar sells an upgraded pump, higher flow for the upgraded steering gearbox they also sell.
I have had the pump on a previous truck with the original gearbox and it worked well. Turned 35s no problem, that's as close as I can get to the turning slicks in your case with that truck.
I put the new bigger gearbox on my 07 and it made a world of difference from the old 200k mile leaking box that it replaced. Kept the factory pump until it needs replaced.
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07 Dodge 2500 5.9/G56, Smarty TNT, K&N, SB 3250, ISSPRO....Tow Rig/DD
06 Dodge 2500 6.7/48re, EFI, Haisley, Firepunk.....Toy
(SOLD)07 Dodge 2500 5.9/48re, EFI, II, MPI, BD, etc
(SOLD)99 Dodge 2500 5.9/NV4500 Diesel World Nov.11-"NonStock"
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