The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Lessons I have learned on swapping cabs onto my 63.

Tx Firefighter · 08-01-2009, 04:58 PM

I posted two days ago about the 62 cab I got to put onto my 63 truck project. That post is HERE

A couple of things came up that I thought I would warn you folks about when doing this swap...

First, the 60-62 cabs have the hydraulic clutch, my 63 uses the mechanical linkage type. You must bore a large hole in the floorboard for the mechanical rod to pass through, as the 60-62 cabs don't have it. Also, the dual master cylinder/ clutch cylinder unit has a funny cutout in the firewall that you will need to weld up and redrill for the later type of master cylinder. No big deal overall, but you better plan on a few hours work to do these mods.

Second, the front mounts on the 60-62 cab are no where near fitting the 63 frame. You have to relocate the holes for the front mount holes inboard about 6 inches per side to get the bolts in the proper place. You could build a new frame mount to line up with the old cab, but it's much easier to modify the cab instead of the frame.

I will get pictures and exact measurements tomorrow when I get home from work. None of this stuff is too big a deal to overcome, I just wanted to let everyone know that these cabs are no where near directly interchangeable.

08-01-2009, 04:58 PM	#1
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Lessons I have learned on swapping cabs onto my 63. I posted two days ago about the 62 cab I got to put onto my 63 truck project. That post is HERE A couple of things came up that I thought I would warn you folks about when doing this swap... First, the 60-62 cabs have the hydraulic clutch, my 63 uses the mechanical linkage type. You must bore a large hole in the floorboard for the mechanical rod to pass through, as the 60-62 cabs don't have it. Also, the dual master cylinder/ clutch cylinder unit has a funny cutout in the firewall that you will need to weld up and redrill for the later type of master cylinder. No big deal overall, but you better plan on a few hours work to do these mods. Second, the front mounts on the 60-62 cab are no where near fitting the 63 frame. You have to relocate the holes for the front mount holes inboard about 6 inches per side to get the bolts in the proper place. You could build a new frame mount to line up with the old cab, but it's much easier to modify the cab instead of the frame. I will get pictures and exact measurements tomorrow when I get home from work. None of this stuff is too big a deal to overcome, I just wanted to let everyone know that these cabs are no where near directly interchangeable. __________________ I'm on the Instagram- @Gearhead_Kevin Last edited by Tx Firefighter; 08-01-2009 at 05:01 PM.