Originally Posted by walterhvogel
I have one that I pulled from a '48 panel awhile back. I was told it worked, but the engine was missing some parts so I never ran it. It does turn freely by hand and shifts to all gears. It sat out for awhile and rain got in it, I dumped it out, but I don't know the internal condition, it might be fine. Years ago I found one in a junk yard and had it rebuilt. The mechanic told me to get an sm460 instead due to parts availability. I went with the 420, it works, but will fall out of 3rd, I just hold it when I'm in 3rd.

Walter, that should be 'SM-465'

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.