NV4500 Swap Trans Tunnel

[LNielson]

You guys that have done this swap, how did you deal with relocating the floor penetrations? (assuming non removable tunnel)

I'm seeing a couple of options.

1. cut a big hole, weld it back in after with the holes in the right place.

2. cut a big hole, make it removable with the holes in the right place.

I'm curious to know what others did.

My setup is NV4500/NP205. I'm going with the 1.625 thick AA spacer to mount my long input tcase and an ORD Twin Stick shifter.

 

[Vombrown]

My vote is number 2. Measure and cut large holes and fab covers for them with the correct holes in them. Access to the top of your transmission is never a bad thing.

 

[bp71k5]

Welded the holes back up.

 

[Kay86K5]

Mine was originally an auto TH400 before the swap, so my first cut on my tunnel was the only cut for a shifter. But from those I've seen go from 465 to 4500, I personally think the best option is just get the 4500 tranny in there, cut the hole in the correct spot, then weld in a patch for the old hole.

 

[blazinzuk]

I loved having a removable tunnel in my 73.

So I'd lean towards cutting out a large section and bolting it back down

 

[Vombrown]

Better yet! Go source a removable cover from a salvage yard. The cutout your tunnel to fit. Seems like the easiest alternative to me.

 

[imiceman44]

Better yet! Go source a removable cover from a salvage yard. The cutout your tunnel to fit. Seems like the easiest alternative to me.

I have one of these ready to go.

 

[obijuank5]

I kinda did that on the blazer when I swapped mine. You can see where I cut the spot welds on my tunnel and I just put it back.

 

[LNielson]

I kinda did that on the blazer when I swapped mine. You can see where I cut the spot welds on my tunnel and I just put it back.

View attachment 257296

My tunnel is not a separate piece like that, I'd for sure do that if it was. I'm thinking I'll just get after it with the cut off wheel and make it removeable.

I have one of these ready to go.

Thanks for throwing that out there. I think I'll just cut mine and make it removeable, probably easier than cutting and then trying to make another one fit. I know the piece I cut will fit and I have to cut it either way anyways.