Jeff, there's a number of things you could try, but I'd first make sure
you got it on a nice level surface (garage floor?). Take a square of
some sort (or plumb bob) and line it up with the front axle and make a
mark on the floor adjacent to the inside of the front tire. Do this for
both sides. Then drop a plumb from the rear brake backing plate at the
rear axle center and make marks on the floor. Measure the diagonals
(left rear to right front, then right rear to left front) and compare
the measurements. Keeping the rear end square to the frame, you can
move it side to side to even up the diagonal measurement. Then check
this final position in relation to the spring edges and to the frame
sides, and also the tire position as before. You may have to do some
"best balance" work to get it all even. This might be due to the frame
itself not being purely square from end to end. Hard to tell without
the cab and bed off the frame.
Check as many dimensions as you can to common points by using the
diagonal measurements and you eventually will come to some sort of terms
with the best amount of squareness. No substitute for LOTS of
measuring, but sometimes it just never gives you that warm fuzzy feeling
that you are "dead perfect"!
Wally / Templeton, MA
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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