possibly regearing
#1
#2
The place to look for questions about gears is in the "other powertrain" forum.
With that set up you would not really need to re-gear. But if you would like to know a little more about it here are a couple of links.
gear swap write-up rev 1l
new gears 2006 supercrew
With that set up you would not really need to re-gear. But if you would like to know a little more about it here are a couple of links.
gear swap write-up rev 1l
new gears 2006 supercrew