Take it to an alignment shop!
No, the 2012 colorado(4wd) has a torsion bar front suspension, will the 2013 silverado(1500 4wd) has a strut front suspension.
You can't adjust disc brakes
No you can not, There's no adjustment.
no
The front suspension will not hold the weight of the Cummins.
you can't... there is none...95's have fuel injection...
You need a torsion key.. most mechanics can twist the bar for cheap
YES it does.
what type of gear oil goes in my 2004 chevy silverado 1500 Front and rear, user guide does not specify
yes plain and simple, you may have to adjust suspension and differentls and you'll need low profile tires
Pads on front. Drums on the rear.
yes