Ford engine mount biscuits, rubber snow plow blade(4" x 1") work well too, some 'brownies' have no shaft seals, just reverse threads to keep the oil in and trash out. One can also put it in various gear positions and count revs. to get ratios, count teeth when apart.

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.