| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Only the early GM ones are a direct bolt up to a GM bell housing. Those are also the ones with th
e lower first gear, which al the rock crawlers like so might be hard to find.
Later ones fit Dodge engines, have about 1” longer input shafts, AA have thin adapters the fit GM trans, to the GM bell housing.
Ed
Last edited by EdPruss; 12/04/2020 3:56 AM.
'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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