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The TKX has an internal shifter only. No external shifter assemblies can be used. SST sells a stock style stick option that bolts to the stub. It looks 100% "factory" when completed.
This was originally an automatic transmission car.
Sorry, I should clarify. When I said "original" shifter, I meant the shifter, as it comes directly from Tremek (not an original corvette external shifter). My understanding (at least for the Tremek Magnum and maybe for the TKO?), is that an area of the Tremek transmission around the shifter is cut and modified in order to relocate the tremek "shift stick" exactly where it would come through the C3's console. I'm sure any modifications coming from SST or A-PT work perfectly fine, but as a mechanical engineer, I have a slight preference over leaving the Tremek shifter and transmission body alone to come trough the tunnel where-ever it happens to come up, then modify the tunnel hole, if need be. I had a turbo 400 automatic anyway, so never had the original shifter console.
Another question I have is whether the Bell housing needs to be centered via dial indicator and dowel pinned to the new Tremek, like I have seen in other installation videos (maybe of the Tremk Magnum for C3's?). Or would/could I just buy a new bell housing and bolt it to the new Tremek? Thanks All- for responses so far
Another question I have is whether the Bell housing needs to be centered via dial indicator and dowel pinned to the new Tremek, like I have seen in other installation videos (maybe of the Tremk Magnum for C3's?). Or would/could I just buy a new bell housing and bolt it to the new Tremek? Thanks All- for responses so far
The Tremec input shaft bearing is not as tolerant of miss-alignment as a Muncie transmission input shaft bearing (roller bearing vs ball bearing) so the bellhousing needs to be dialed-in. The offset engine block alignment pins are used to make sure the bell housing opening is centered to the crankshaft.
Another question I have is whether the Bell housing needs to be centered via dial indicator and dowel pinned to the new Tremek, like I have seen in other installation videos (maybe of the Tremk Magnum for C3's?). Or would/could I just buy a new bell housing and bolt it to the new Tremek? Thanks All- for responses so far
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So,, as a mechanical engineer, you already understand that just slapping a new bell housing on the block, and inserting a new Tremek to it, would totally be incorrect, weather it would work or not,,, Dial it in and enjoy it for a long time. If your uncomfortable with a expert modification from SST or others, just cut out your tunnel to fit what you end up with. Then custom fab a shift console to work with it. Not really too difficult, just a little more labor involved.
Some of us enjoy fabrication of one-of items, it makes it our own style.
I plan on getting a TKX for my '72C3. The question I have is whether I can use the original shifter, or do I need to get it from one of the companies that modify the transmission. It looks like they cut a portion off part of the transmission around the shifter area, and I am willing to let the shifter be where it wants to come up, if it is doable, and reachable (rather taking meat from off the transmission shifter area).
I just finished installing a TKX in my 71, the shifter is completely different from the original. I got most everything from SIlverSport and it was a great fit, no cutting. 100% worth every penny, I was converting from a TH400.
I'm finally ready for the transmission. I ordered/received the close ratio (or at least what Tremec calls close), and after struggling with the overdrive decision, went for the .68. I am hoping to use 4:11's on the rear, so I think the larger jump from 4th to 5th will still be OK on the highway, but I don't know if 1st gear will be too low with 4:11's (otherwise it will be 3:73's) . Is anyone running 4:11's with the close ratio TKX for street use? Also, I heard that the starter needs to be changed going from an automatic flex plate to a flywheel for the manual.
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