| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | You need to get the rear end ratio, match it with the front, then get transfer case that fits up to your trans., then one needs to get the wheel diameters, 20's are obsolete, so look at 22.5's figure out what wheel bolt-pattern will fit everything?
Ed
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'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.
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