clevis pin & delrin bushing

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rktmn

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These are 2 more products that I manufacture to help improve shifting the MTX SHO.

DELRINGBUSHINGPINKIT 1

Here you can see the elbow which attaches the rod shifter to the input shaft in the transmission. This double elbow allows for tranmission movement and rotation from being transmitted directly to the shifter.

This is the original rubber bushing and pin I removed from my rod shifter. You can see that it was worn, and the pin that held it in is much smaller than the hole in the rubber bushing. The aluminum bushing is the first prototype I made before changing over to Delrin. The Delring bushing fits nice and tight along with the 3/8" bolt that holds it. It still allows for the necessary rotation.

NEWOLDBUSHING

This is the original clevis pin inside the housing of the rod shifter. You can see how much smaller it is compared to the hole (lots of play here).

STOCKPIN 1

This is the clevis pin I make to replace the original. You can see that it fits tight inside the housing.

SHIFTERPIN1 1


This is the custom pin inside the clevis. I include a tap to thread the clevis for the installation.

SHIFTERPINDELRINWASHERS 1

The reason for threading the clevis is so you can tighten the machine screw without squeezing the clevis and locking it.

THREADED 1

Both pins side by side.

RIVETANDPIN 1


PINISTALLED 1

The pin comes with 2 Delrin washers that act as spacers.

This photo shows the prototype aluminum bushing installed in the elbow. You can see how tight the fit is. It removes all the play at his end, but still allows for the elbow to rotate. Again, I no longer use aluminum to make the bushing, the new bushings are made out of Delrin.

BUSHINGCAP

BUSHINGINSTALLED

BUSHINGINSTALLED2

To test the loosenes of your shifter, all you have to do is crawl under you car, grab the shifter rod at the transmission imput shaft and shake it. All that loosenes will transmit to your shifting. This kit will eliminate all the paly at that end.

The cost is $30.00 for the Delrin bushing and $40.00 for the clevis pin. Shipping is $5.00.
 

rktmn

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I am getting senile, I posted another topic in the wrong forum.

Jose
 

Phoenix

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Of course you get this out AFTER I got my energy susp in + loads of hours to fabricate "solid" bushings on my rod shifter.....

Looks really good , props.
 

rktmn

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I made these years ago, and sold some, but they were never in big demand.

I think that this is the biggest bang for the $ to improve the feel of the shifts. If you install the SHOrty Shifter also, the transmission will feel as if it's under the shifter, as opposed to being 4 ft away.

Jose
 
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SHO1

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Looks good. May be more in demand now, I'm sure most of shifters are much more worn now than a few yrs. ago? Seems fine in the car, but I'll have to check mine on the other end next time I'm down there.
 

MADDOG11

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I made these years ago, and sold some, but they were never in big demand.

I think that this is the biggest bang for the $ to improve the feel of the shifts. If you install the SHOrty Shifter also, the transmission will feel as if it's under the shifter, as opposed to being 4 ft away.

Jose

Jose, is the bushing kit and shorty shifter assem still avail and how much?
If so I'm very interested!

Thanks,
Kevin
 
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rktmn

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I have them in stock.

The cost is $30.00 for the Delrin bushing and $40.00 for the clevis pin. Shipping is $5.00.

Jose
 

rktmn

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The SHOrty Shifter is $130.00 Free Shipping.

Jose
 

lincster2

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Hey there.. sounds like the pin & bushing is exactly what I need. Send me a p.m. with your infomation, let's get the "sho" on the road. Thanks
 

rktmn

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I have the Delrin bushings, clevis pins and SHOrty Shifters in stock.

Jose
 

sdpatt

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That is quality craftsmanship. Out of necessity, I had modified the linkage on my shifter years ago with carriage bolts, hose and nylon washers and nylon tubing. The link to that topic is here. In most respects, yours is far superior. A couple of features from my informal garage design that could improve yours are listed below.
  1. A nylon sleve on the clevis pin to provide a snug fit without transmission of all noise an vibration from the trans to the shifter.
  2. Use of nylon insert locknuts on the bolts to prevent unwanted shifter separation while driving.
 

rktmn

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I guess that there are always more ways to skin a cat.

Using a nylon sleve over the clevis pin would force me to turn the pin to a smaller diameter and to use a smaller machine screw. I do not notice any anoying vibrations or noise, but maybe some other users may chime in.

As to the lock nut, it will not fit if you have my transmission boss brace installled. There is very little clearance betweent the clevis and the brace. I also recommend that you use a bit of blue Loctite on the clevis bolt, so it won't back out.

Either way Scott, your system looks like it solved the problem very well.

Congratulations on the 405,000 miles.


Jose
 

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