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Adjustment 914 tail shift

Sorry about this post that ha been covered 100 times, but the search is not answering my problem. Is there a lockout mechinisim in the shifter housing so you can’t hit reverse while shifting from 1st to 2nd. Again, this is a 914/6 tail shift car. Also, my shop manual covers only 73 up side shifters. Is there a accurate procedure published that discribes how to adjust? Going from 1st to second you catch reverse unless you head for 4th to hit 2nd. I have spent my life workinG on 911’s which have a clear adjustment procedure.
Any help would be great. Thanks

Old 06-29-2020, 04:52 AM
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There is a spring-loaded gate that pushes the shifter out of the 1/R plane. No other lock-out mechanism.

The Haynes manual has information about the tail-shift transmission. I don't know if it has anything about the Six-specific version, which is not the same as the four-cylinder linkage. But the adjustments are done up at the front, which I think is the same between the two.

Pelican has a tech article about the four-cylinder version of the tail shifter:
https://www.pelicanparts.com/techarticles/914_shift_improve/914_tail_shift_improve.htm

I don't know that much about the Six-specific stuff, though.

--DD
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Old 06-29-2020, 08:49 PM
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The -6 linkage adjustment procedure is the same as for the four.

The only “tricky” part of it I ever found was you have to keep your head around the fact that because the shift lever pivots the shift rod rotates the opposite direction at the back. I.e. moving the lever to the left in the cockpit move the toggle in the back to the right. This can cause some confusion. Just follow the Haynes manual instructions for the -4 and keep the above in mind and you should be OK.

This same thing happens in the 911, but with the 914’ s the toggle arrangement in back changes the rotation of the shift rod (from the transmission) again.
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Old 06-30-2020, 09:28 AM
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The Six shift linkage does not have the rotation-reversing monkey-motion assembly. The front shift rod rotates the same way as the rear does, I believe.

OK, a quick look at the factory manual agrees--there is a front shift rod, a rod that gets clamped to that rod near the firewall, and the rear shift rod with a simple universal joint aft of the firewall. No rotation-reversing bits like the tail-shift Fours.

The adjustment should be done the same way, at the coupler just in front of the firewall. There may be some adjustment at the base of the shift lever, but the main adjustment should be the coupler in front of the firewall inside the center tunnel. Remove your center tray/seat cushion, and carpet if necessary, to find the access cover on top of the tunnel. One screw should hold the front of the cover, then lift up and slide it out.

Mark the current position of the rods and coupler so you can get it back to where you started!!! Then start tweaking the position of the lever versus the position of that middle shift rod using the coupler, and trying out the shifting motion. When you get it where you think you want it, tighten the coupler bolts up and give it a test-drive. Repeat until you're satisfied or have gone completely around the bend from trying things.

Dr. Evil (more often on the 914world BBS than here) has adjustment instructions in a PDF linked in his signature block. Might be worth looking for them. Remember, you're basically using the tail-shift adjustment instructions.

--DD
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Old 06-30-2020, 04:52 PM
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Hmmm. That is not how I remember it. And I owned one for eighteen years. I recall it being practically identical to the -4 I owned before that.
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Old 07-01-2020, 01:12 PM
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Thanks for the responces. I got it licked. The adjustment under the center cushion in the small access hole. It's amazing how a 1/32 of a inch can make such a differance.

Old 07-01-2020, 01:46 PM
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