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View Full Version : Convertible Trans Crossmember Interchange??


scld1354
05-09-2021, 02:32 PM
Hello. I need a trans crossmember for a 67 GP convertible with a t400. What interchanges?

Thanks in advance!!!

rustyrelic
05-09-2021, 08:42 PM
I was able to take a transmission cross member from a hardtop and cut it down to work on my 68. Wasn't too tough, a few minutes with cutoff wheel and grinder. Do you have anything left of the convertible member? If you do and can lay it over the hardtop, I presume a 4 door would work too, I think it will be apparent as to what would need to be done.

rustyrelic
05-09-2021, 08:44 PM
(one end had rusted off of mine) I guess it would be tougher if you don't have anything at all to work from.

scld1354
05-10-2021, 01:42 AM
I was able to take a transmission cross member from a hardtop and cut it down to work on my 68. Wasn't too tough, a few minutes with cutoff wheel and grinder. Do you have anything left of the convertible member? If you do and can lay it over the hardtop, I presume a 4 door would work too, I think it will be apparent as to what would need to be done.So the overall length is the only difference? I have the crossmember that came with the car but the center (mount area) was cut and moved forward about 4 inches to accommodate a 200-4r. I can use that to get the right length.

I assume the boxed frame cars had slightly smaller (not as long) trans crossmembers?

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rustyrelic
05-10-2021, 07:56 AM
Yes ,the boxed frame cross member is shorter. My fix was a bit red neck I suppose, but it worked for me. (I had to make up the "pockets" that are welded to the frame as well.)