[SS454]

I have a 4 speed/coil rear in my '68 c20.

When I swapped from HO52 to Dana 60, I had to shorten the rear shaft 1.75" to make it fit. I kept the same amout of spline engagement as original, which had about 1/2" of splines showing.

Don't drive the truck with too much spline uncovered, it will probably wobble real bad and could trash both front and rear shafts.

Before I shortened my original shaft I checked another shaft I had on hand, but it was too short by a few inches. I have no idea what it came from, but I still have it. It looks to be about 26.25" from eye to eye.

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'68 C20 - fresh 355,CH465,Dana 60, front disc brakes, rough body
'71 C20 parts truck
'68 Chevelle ragtop project
'57 Belair hardtop project
tons of ambition