Originally Posted by
fordracer90
my truck is a 4x4 with 3.55 ratio would you suggest going to 3.73 or making the jump to 4.10.
Depends upon tire size, with stock tires you want 3.73's for good towing power, step up to 4.10's with 31's and 4.56's for 33's.
Originally Posted by
fordracer90
so really it is a better bet just to install a decent cam and try and find some decent heads
More cam and a better heads will certainly increase output but as stated the increases will be biased towards the upper rpms for the most part so that's why more gearing really isn't an option with this motor.