Differential swap
Our tow vehicle is a 2004 f350 with the v10 and 3.73 gears. It pulls just fine here in flat-land country, but not much of a grade is needed to make it shift down. We'll be heading out West in the near...
Forum Discussion
Wes Tausend wrote:
...
I would have probably blown the cash on a bigger tranny cooler and a Scan-Guage. I believe anything less than 3rd keeps the converter from locking up which means heat. Except for heat, that V-10 should do well on hills between 3rd and 2nd gear with 3:73's. The 4.56's will really scream in 2nd. I think OD is probably out of the question, even with 4.56's, on most mountainous hills anyway. Could be wrong.
Anxious to hear how it works out too.
Wes
...
The 4R100 behind the V10 locks up in all gears, including 1st, under heavy load.
I'm pulling 12-15,000 pounds typically and always pull in O/D, and it rarely has to downshift into 3rd. Yes, 2nd gear at 60-65 MPH is screening, and it sounds great!
