Transmission sheet metal hump.

Darryl Bowen · Jul 21, 2020

I keep seeing sheet metal for the floor pans, but nothing for the hump. My truck originally had a manual transmission, but the previous owner swapped it to automatic. And they cut the metal out and left a big hole I need to fill. It's not a bolt in cover which is odd since I seen that all manual trans trucks had a bolt on cover. I know the cab was originally manual because I removed the clutch assembly when I removed the dash.
so does anyone know where I can located a new panel for the trans cover.

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EvilGenius · Jul 21, 2020

@Darryl Bowen The center of the floor section is not being reproduced. The only place to source it is from an original floor section.

As far as the floor goes, the bolt-in style stopped in 1983. You could swap in a bolt-in style from a 1981-1983 cab if you cut out enough of the floor around the the donor to swap it all in. Otherwise, you need a 1984-1987 floor section. Keep in mind the 2wd automatic floor sections are lower and flow into the seat area of the floor differently than the 4wd/2wd manual floor.

Darryl Bowen · Jul 21, 2020

If I do the bolt on and actually weld it in im not to worried about the size of the pan being taller or a different size. I'm going to be building a custom console to house my amplifiers. so it will not be seen like if stock. maybe from the underside if the truck. but that will be smooth and then coated in raptor liner.

Dale A · Aug 7, 2020

Why not build your own cover. Lowe’s sells small pieces of sheet metal in 20 or 22 gauge and I believe like 18 gauge. 22 gauge is easier to work. Pound the side edges over on an anvil or piece of railroad track. Once you get the fit you want drill holes in the cover around the perimeter then screw it to the original hump with hex head self starting screws. I used Flexiable Selant to seal out water and dirt. I had to add 1 1/2” of height to my trany hump for added clearance when I installed a ZF 650s in my 91’ R3500.

Transmission sheet metal hump.

Darryl Bowen

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EvilGenius

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Darryl Bowen

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Dale A

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