| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Depends on your rear end bolt pattern, need to match the front. Might need to move axle spring perches to fit your springs. Is your rear ff or sf? 3.73 might work well with T5. Make sure to match spring perch location and thus welding before powder coating.
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
| 
