Originally Posted by 09KingRanch
I tow a boat that's about 4500 lbs. and have the 5.4L with 3.73 gears and wish it had a bit more grunt.
That sound like good advice, KingRanch, but brings up another question. I assume that the 5.4 liter comes with the 3.73 rear end. Is it the same for the 4.6 liter engine?