Originally posted by raudonis
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Shift Lever and Short Shifters
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Originally posted by Mastrcruse View PostA forum member helped me via private message. I was blind to the fact that the mount has two holes. So for those also wondering the same - since I couldn’t remember after months - the tabs near the hold for the lever insert into the holes on the carrier mount and then the carrier mount goes into whichever hole it’ll seat nicely into.
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A forum member helped me via private message. I was blind to the fact that the mount has two holes. So for those also wondering the same - since I couldn’t remember after months - the tabs near the hold for the lever insert into the holes on the carrier mount and then the carrier mount goes into whichever hole it’ll seat nicely into.
1 PhotoLast edited by Mastrcruse; 12-23-2019, 07:22 AM.
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Originally posted by HCMW Adam View Post[ATTACH]125412[/ATTACH]
Got it pretty much the way I want it. A few dimensions to define still.
Also, your design will require more left-to-right displacement than the stock design.
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Installed this longer RTD shifter a few weeks ago for my E30 S54 with GS6-37BZ Z4 6 speed:
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Originally posted by dsphil View PostThe shaft is 14.84mm and the pin is 5.96mm. I would use the stock selector joint design to provide some axial movement. That clevis joint connection looks weak.
I can make a bunch of stuff from scratch and make it look professional. I was really trying to come up with a quick and easy way to implement this to try it out. If it sucks then no big deal. If it seams like a good solution then I will make it again with nice looking parts.
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Originally posted by The Dark Side of Will View PostWhat does this gain beyond a lot of shifter motion and vibration?
The front end is mounted to the tranny like stock. The back end is mounted to the trans tunnel like stock. I think the increased vibration will come from not having a dampened shift lever and from not having plastic or rubber bushings at each joint. This could be implemented with stock bushings to retain a little bit of civility.
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Is that to reduce missed shifts by reducing the angle at which the shift link meets the transmission shift shaft?
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This setup below is a copy of an alternate BMW Motorsport design.
You can find it in the Homologation papers of the E30M3.
I think it may have been for the later 6 speed cars.
My Prodrive car came with this type of shifter when I bought it.
I believe at one point my car had a 6 speed, that was long gone by the time I got the car.
The shifter "carrier" had a welded / fabricated portion that bolted to the back of the transmission somewhat similar to the one pictured.
The Prodrive one was more of a tubing and bent sheet metal fabrication with a spherical bearing that provided the pivot point for the shifter handle but overall intent of the shifter style was very close to the one pictured.
I reverted my car to a standard BMW Motorsport DTM body mounted shifter when I restored it, but I still have the transmission mounted version in my box of parts.
Originally posted by raudonis View PostI found an old auction for a similar design from Belgium, but the arm is mounted to the transmission, not the chassis:
Last edited by JimmyP; 01-03-2019, 10:24 AM.
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What does this gain beyond a lot of shifter motion and vibration?
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Originally posted by HCMW Adam View Post
I have been messing with this a bit. Got it to where I only have to make two parts from scratch and modify two others.
I have two questions right now. What is the diameter of the gear selector input shaft and the diameter of the pin that goes in it?
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The shaft is 14.84mm and the pin is 5.96mm. I would use the stock selector joint design to provide some axial movement. That clevis joint connection looks weak.
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I have been messing with this a bit. Got it to where I only have to make two parts from scratch and modify two others.
I have two questions right now. What is the diameter of the gear selector input shaft and the diameter of the pin that goes in it?
Sent from my iPhone using Tapatalk
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Solid works. I have it for work.
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