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DW Horton, with his Daughter Lily

Part 9
Trunk Latch Installation

Installing the Trunk Handle

 

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The Bear deck lid has a recessed rectangle that's a good place to start for an access hole. I put masking tape around the inside perimeter of the hole, and will cut out the area inside the tape. This way, we can make up an aluminum cover later on to hide the hole, and it will be recessed. I've got the center marked on the other piece of tape.

The time consuming part of the deck lid latch is getting the slot in the correct spot. Mark the area with masking tape, measure your mounting hole centers, then figure out where the sweep of the "flag" is going to be. The distance from the flag to the outside of the deck lid is very important in our case, because we're not using the bracket that goes on the body. We're going to mount the handle so that the 'flag' will brush against the inside lip of the trunk when it's closed. That way, there won't be anything for the suitcases to catch on! I can't possibly explain all the little dimensions I had to take- just remember to allow for the thickness of the fiberglass, and also the curvature of the trunk lid.

 

Installing the outside handle

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Voila... pretty trick, eh?! We'll be using flathead allen bolts to clean it up even more.

This was a tricky part- transferring the measurement from the inside of the deck lid to the outside. I used a square and two eyeballs.

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After you drill the hole, check the location with a scriber or something else that fits in the little hole.

I got it pretty close the first time, but I had to offset my hole a bit to get it centered. Do the same thing as the door handles: mark the tape with the hole, then cut out the inside so it's easier to see when you're filing it out to size.

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This is the trunk handle locking mechanism. Because of the lip on the Bear trunk (and every other fiberglass trunk), putting this in its proper location was nearly impossible. The hole centers would have been about 3/8" below the outside surface of the deck lid. So I machined a piece that replicates the original locking ring, only about 3/4" higher. This lets us mount the latch further away from the outside surface of the deck lid --> hopefully, right at the inside lip of the trunk.

Here is the locking finger locked in the slot. You can see from this picture what I was talking about in the last description. You see where the handle mounts to the lid... then take away the spacer I made, and that piece is mighty close to the outside of the lid too. Write me an email if you don't get it. Actually, write me an email if you DO get it, just so I know the email button is working.

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Oh yeah, that's what we're talking about. Don't forget about the little rubber gasket that goes under the handle!

Here's why the rear end isn't in the above picture.

Part 10
Trunk Lock Mechanism

Trunk Lock
Here I will make a lock for the trunk handle. The mechanism that came attached to the piece from Vintique isn't long enough to do what we want done. In our application, because we don't want anything really protruding into the trunk space (as in a plate for the latch to hook on), we wanted to add material to the original "mailbox flag" catch to make it long enough to tuck inside the lower lip of the trunk. It won't latch into anything, but because the trunk lid swings out before it swings up, it shouldn't need a hook and latch.
The tricky part is going to be making sure the "flag" is in the exact location we need it to be in so that the lid isn't too loose, or too tight. This was done in the last article here. So now, we're just going to install it and hope I didn't mess up the measurements too badly!

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I started with a length of 1/8" rod. I was originally going to make the locking "flag" out of 1/8" plate, but I found this bar and the plate didn't stand a chance. I cleaned it up a bit with a ScotchBrite pad.

The starting bend was made around a 1-1/2" x 1-1/2" tube that I clamped in the vise. The other bends were done around a 3/4" bar, with a set of pliers to bring the 1/8" bar in tight to the 3/4" bar.

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Here's what I came up with after I cut the original flag off because it wasn't long enough. I carefully welded the ends to the original flag, and next I will scuff it with the Scotchbrite pad to get rid of the welding discoloration. There's really no way of knowing whether my measurements are correct until it gets installed... this is almost good enough for TV, eh?!

This is the "before" of the mechanism with the original "flag" catch.

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Well, it looks all right, but DOES IT WORK?? Are you kidding- you bet it works! To finish the job, we'll need to install a small stainless rub plate over the trunk lip, so the new flag doesn't wear out the fiberglass. This was probably the most satisfying job yet on this car- it works just like we planned it, and it's really, really simple.

 

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