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trrdster2000
Luke Skywalker
Offline
Looking at the overdrive I will get in the TR6, ( one of these days) I got to thinking and of course it hurt, but why don't I shorten the shift lever and make the throw shorter. I taped off where I thought was a good place and tried to shift on the one in the six now and found I was a bit over enthusiastic and getting into reverse was a problem. After trying a few different lengths the cut was made at 2 inches below the flat area where the turned bit that holds the gear shift knob. I found that it's much easier to hold in a vise if you have a rubber golf shaft holder.
Now for the tech stuff, the thread for the gear shift knob is 5/16 and 18 threads per inch. I got a 2 inch #8 grade bolt from Lowe’s (not cheap) of the same size. The tap drill is 17/64 and that is the only way, do not try to use a ¼ inch. I pre drilled with an 1/8 drill down about ¾ of and inch just to get everything centered down the shaft. Drill with the 17/64 to a depth of 1 and ¼ inch and this will allow you to tap with the 5/16 18 for a usable 15/16 to 1 inch, as taps are pointed it’s hard to get any more usable depth. I screwed the bolt in very snugly with locktite and cut the head off very carefully, giving about a 1 inch thread just like the original.
This will give you a little over a 1 inch shorted throw, which doesn’t sound like much, but it sure feels snappy. You can go shorter but I don’t recommend it, because the shifter is bent, it appears to be a 2 for 1 deal.
Best of British Luck.
Wayne
Now for the tech stuff, the thread for the gear shift knob is 5/16 and 18 threads per inch. I got a 2 inch #8 grade bolt from Lowe’s (not cheap) of the same size. The tap drill is 17/64 and that is the only way, do not try to use a ¼ inch. I pre drilled with an 1/8 drill down about ¾ of and inch just to get everything centered down the shaft. Drill with the 17/64 to a depth of 1 and ¼ inch and this will allow you to tap with the 5/16 18 for a usable 15/16 to 1 inch, as taps are pointed it’s hard to get any more usable depth. I screwed the bolt in very snugly with locktite and cut the head off very carefully, giving about a 1 inch thread just like the original.
This will give you a little over a 1 inch shorted throw, which doesn’t sound like much, but it sure feels snappy. You can go shorter but I don’t recommend it, because the shifter is bent, it appears to be a 2 for 1 deal.
Best of British Luck.
Wayne
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