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> Improved shifting for side shifters, bolt on? Maybe., Experimenting tonight.
Dr Evil
post Apr 15 2014, 05:39 PM
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I'll at least be testing the one iteration of this to, at, and from Hershey this weekend. I will let others check it out, too. I hope to get both parameters that I am shooting for resolved to my satisfaction. It all depends on tonight and Thurs. The transmission is pretty much done other than the case seals and assembly. Once the shifter comb upgrade has been tested in the testing jig I will be building, and shown to work, I t goes in the box and the box in the car.

I am serious about doing a tail shifter one, just for the hell of it. I just need a candidate. Anyone need a rebuild? I can also do a 911/912 box.....I think I will use my local friend for that. A 911/912 box would be markedly easier than a 914 tail box. Only one shitty connection to worry about rather than 3.
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stugray
post Apr 15 2014, 05:50 PM
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I have a tail shift laying in pieces from my last rebuild.
I wont be needing any of the tail shift pieces ever again.

I would donate to the tailshift cause if it also helps with the side shift development.

Let me know if you need some parts.

Stu
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Dr Evil
post Apr 15 2014, 06:08 PM
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Ok, recruited a neighbors early 912 box that I just rebuilt. (IMG:style_emoticons/default/happy11.gif)
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Dr Evil
post Apr 15 2014, 06:09 PM
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QUOTE(stugray @ Apr 15 2014, 07:50 PM) *

I have a tail shift laying in pieces from my last rebuild.
I wont be needing any of the tail shift pieces ever again.

I would donate to the tailshift cause if it also helps with the side shift development.

Let me know if you need some parts.

Stu

Thanks, Stu. I am balls deep in tail shifter parts, I need a whole box that will be built, modified, and then extensively tested by the owner.
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mepstein
post Apr 15 2014, 06:48 PM
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QUOTE(Dr Evil @ Apr 15 2014, 08:09 PM) *

QUOTE(stugray @ Apr 15 2014, 07:50 PM) *

I have a tail shift laying in pieces from my last rebuild.
I wont be needing any of the tail shift pieces ever again.

I would donate to the tailshift cause if it also helps with the side shift development.

Let me know if you need some parts.

Stu

Thanks, Stu. I am balls deep in tail shifter parts, I need a whole box that will be built, modified, and then extensively tested by the owner.


Mike - let's talk at Hershey. I'm driving my '71. All stock and keeping it that way but I wouldn't mind a tighter shifter
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Dr Evil
post Apr 15 2014, 06:51 PM
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Excellent (IMG:style_emoticons/default/happy11.gif)
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yeahmag
post Apr 15 2014, 07:00 PM
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Killer!
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Dr Evil
post Apr 15 2014, 11:57 PM
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Success!

Tonight was very good. I made a jig for evaluating the comb in action. Did so, and got a lot of good data that I used to direct where to add material. I added material, honed the profiles, and saw a marked 90% reduction in the movement that will be translated into lateral movement in the cabin stick shift.

The profile for the fore and aft aspect still needs refinement, but with a transmission to finish, and with being freaking close to perfect for what I was trying for, I opted that an 85% reduction in fore and aft cabin stick slop would have to do (IMG:style_emoticons/default/smile.gif)

The test tranny is almost done. About 1hr left and then I need to jack up the car and swap them out. I wish I could have gotten a short shift kit in time, but Pelican said 7 days to process order, and the rest of the retailers would have likely been too slow as well. If I can score one at Hershey, I will install it on the spot. I hope to get feed back from several people as they take a turn driving.

I am beat, and pretty freaking happy.
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Krieger
post Apr 16 2014, 08:24 AM
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Id like to see one track tested this summer and hear the results.
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Dr Evil
post Apr 16 2014, 08:28 AM
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You and me both (IMG:style_emoticons/default/smile.gif) I will make a few to send to people for such testing, I expect.

I think I will run down and take a vid of a stock one with play, and the modified one both being used in the jig (IMG:style_emoticons/default/smile.gif) Stand by!
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CptTripps
post Apr 16 2014, 09:46 AM
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Can't wait to see it this weekend!

I MAY have a short-shift kit from my last build somewhere. I'll have to dig through a few piles tonight to see what I can come up with.

(I really need to start digging through stuff tonight to see what I can/should take out there anyway.)
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boxsterfan
post Apr 16 2014, 09:48 AM
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Awesome thread!! Would love to reduce the bowl of soup shifting feel in my side-shifter. Looking forward to a "production" model. :-) (IMG:style_emoticons/default/popcorn[1].gif) (IMG:style_emoticons/default/popcorn[1].gif) (IMG:style_emoticons/default/popcorn[1].gif)
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Dr Evil
post Apr 16 2014, 09:52 AM
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Stock shift console with stock play:

https://www.youtube.com/watch?v=vb2lBHNAVk0


Modified (IMG:style_emoticons/default/smile.gif) It was not harder to shift, just harder to line up with one hand now that slop is significantly reduced.

https://www.youtube.com/watch?v=P2SmpwTKYvY
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Dr Evil
post Apr 16 2014, 09:53 AM
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Technical difficulties with imbedding....wait one. (fixed)
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'73-914kid
post Apr 16 2014, 09:59 AM
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Yepp, I'm sold. Love the lack of slop. Sign me up!
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CptTripps
post Apr 16 2014, 10:01 AM
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That's bad-ass dude. Going to be a HUGE hit.
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Black22
post Apr 16 2014, 10:04 AM
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Looks good!! (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/aktion035.gif) (IMG:style_emoticons/default/smilie_pokal.gif)
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Dr Evil
post Apr 16 2014, 10:06 AM
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Do or do not..... (IMG:style_emoticons/default/happy11.gif)

I am feeling pretty good. Cant wait to drive it.

Doug, that would be friggen awesome!
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Mblizzard
post Apr 16 2014, 10:18 AM
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I am in for this!
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Dr Evil
post Apr 16 2014, 10:24 AM
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Where as a Rennshifter addresses the problem at the end of the chain, my solution will address it at the source and will be far less.

The only thing that I see as a potential for loss of optimal is the in and out play on a box where I have not adjusted the internal rods. If your rods are cocked ever so slightly, then you can run into binding. The easy cure would be to allow for more slop in this direction. Thus, it is looking like two sets will be offered: I install and custom fit one to your box, or I send you a unit to install that will be only slightly less awesome, but still a huge improvement.

As for the 911/912/tail folks, I am still working on ways to get rid of the side to side play in the stick. The anatomy of the mechanisms are different enough to not allow for the simple solution done to the side shifters. Probably need to make a special shifter ball end.
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