I have fabricated molds of the very scarce transmission tunnel cover plate that fits on the right hand (passenger) side of the tunnel. This plate allows access to the speedometer cable attachment on an overdrive TR4A thru TR6 transmission. In addition, the TR6 transmissions had an angle drive between the transmission and speedometer cable. This cover plate allows access to this as well. The plain tunnel without the plate has too little clearance around the overdrive attachments, and it will bind on the transmission when fitted. This coverplate gives additional clearance for the OD attachments.
The plates themselves are lovingly hand made out of fiberglass in the hand made molds. These molds will not last forever, and therefore this is a limited production run. I will make plates until there is no further demand, or until the molds are no longer servicable.
The cost of these plates is $US 8.00 per plate plus shipping. In the US, the shipping by priority mail is $3.50 total for any reasonable number of plates. I admit that $8 seems like a lot, but the I have no economies of scale, and the materials are pretty expensive in "small" quantities, such as 1 gallon of resin.
To install one of these, you need to lift the rug on the right side of the tunnel just behind the dash support. (See the picture). There is a small bump on the tunnel normally. Press the cover plate on the tunnel and move it foreward/backward and up/down to get the best possible fit. It will not be perfect all around, and I doubt it was perfect even with the original pressed board tunnels. Once you have found the best fit, mark the perimeter with a magic marker. Then lift off the cover and mark a second line 1/2" to 3/4" inside of the first. Use a burr or cut-off tool to cut out the hole following the inner line. Make 3 holes in the flange of the plate so a sheet-metal screw will pass without catching. Place the cover on the tunnel and drill a smaller hole to accept the sheet-metal screw. Use a washer under the screw head. Pick the 3 screw placements to allow easy access to the screws while keeping them spaced about equally around the perimeter of the cover. The original cover plates has a thick, soft, tar-like sealing compound. I have not seen a similar compound in the stores. I sealed the cover with "Plumbers Putty". It seems to work well.
Let me know if you are interested in purchase of a cover plate.
Contact me at: rhodes AT comcast DOT net. [to defeat spammers this was “encrypted” Just substitute the proper symbol for the word in capital letters]
Click on the thumbnail pictures to enlarge them.
View for the plate from above.
Side view of the plate.