Auto to Manual Conversion
I was going to be buying the complete conversion kit from Keisler to get rid of the automatic tranny and install the Tremec.
Has anyone run into problems doing this? I have two specific questions. I have a ZZ4 series engine in the car and would having headers with sidepipes be in the way of the bellcrank or linkage? Second, does the dash need to come out to install the new pedals? |
If need be you can get a hydraulic clutch linkage from Keisler to avoid any header problems but I think you should be able to get headers that fit with the stock mechanical clutch linkage.
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I see you have a 78, I just did this last summer.
To change the pedals you'll have to remove the column, brake booster and gauge cluster. It's not horrible as long as you're methodical. http://elucidus.smugmug.com/Car-Proj...SCN0213-XL.jpg That's as bad as it gets. I took the time to clean up some wiring that had been hacked by previous installers and also cleaned up some of the rusty stuff under there. Good time to lube the speedo cable, check all of your bulbs, fix your clock, etc. I posted a thread on this a couple months back and if I remember when I get home tonight I'll link you back to it. |
Thank you much!!! appreciate your effort
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Originally Posted by Priya
(Post 1583108141)
If need be you can get a hydraulic clutch linkage from Keisler to avoid any header problems but I think you should be able to get headers that fit with the stock mechanical clutch linkage.
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Originally Posted by Shark Racer
(Post 1583108701)
I see you have a 78, I just did this last summer.
To change the pedals you'll have to remove the column, brake booster and gauge cluster. It's not horrible as long as you're methodical. http://elucidus.smugmug.com/Car-Proj...SCN0213-XL.jpg That's as bad as it gets. I took the time to clean up some wiring that had been hacked by previous installers and also cleaned up some of the rusty stuff under there. Good time to lube the speedo cable, check all of your bulbs, fix your clock, etc. I posted a thread on this a couple months back and if I remember when I get home tonight I'll link you back to it. |
Originally Posted by Team Rockfish
(Post 1583109525)
How many hours do you think it took you to do the pedal install and get everything back together?
Make sure you have new pedal bushings, I replaced those, the spring, descaled the box and put a coat of paint on it. Here's my thread: http://forums.corvetteforum.com/c3-g...-pace-car.html Note how I organized everything, real critical for this. To do the shifter, you're going to have to have the center console off and you'll need to cut a hole in the floor, and come up with a way to cover the hole. Keisler sells a kit for that I believe. You'll also have to figure out a clutch safety switch or neutral safety switch if you're interested. I used the neutral switch wire on the TKO but set it up as a feed to a relay. My 78 will only start if the shifter is in neutral. |
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I'm doing this conversion as we speak. I bought the Keisler RS 500 instead of the Tremec. I went with the hydraulic clutch set up to avoid the hassle of welding a ball to the frame for the clutch linkage. I have sand rails with hydraulic clutches and they work great. The hardest part of the swap is removing and reinstalling the pedal assembly. You need to remove the steering column which is not to hard. I'm not sure that you need to take the dash completely apart but in my case I removed the entire dash because I'm re-wiring and installing Vintage air. The Keisler kit comes with what you need to convert the pedal assembly which is fairly simple. The kit does not include the plastic bushings so order those ahead of time. I also replaced the brake switch since everything was apart. The kit does not include a clutch alignment tool. I don't know why they don't include it. I guess they save four bucks. Do not use a universal alignment toll. They're worthless. My kit came with the Quicktime bellhousing and the fit is tight so the clutch alignment has to be dead nuts on.
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If the headers are made for C3 Corvettes, they will most likely clear factory clutch linkage
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Originally Posted by tom00799
(Post 1583110574)
I'm doing this conversion as we speak. I bought the Keisler RS 500 instead of the Tremec. I went with the hydraulic clutch set up to avoid the hassle of welding a ball to the frame for the clutch linkage. I have sand rails with hydraulic clutches and they work great. The hardest part of the swap is removing and reinstalling the pedal assembly. You need to remove the steering column which is not to hard. I'm not sure that you need to take the dash completely apart but in my case I removed the entire dash because I'm re-wiring and installing Vintage air. The Keisler kit comes with what you need to convert the pedal assembly which is fairly simple. The kit does not include the plastic bushings so order those ahead of time. I also replaced the brake switch since everything was apart. The kit does not include a clutch alignment tool. I don't know why they don't include it. I guess they save four bucks. Do not use a universal alignment toll. They're worthless. My kit came with the Quicktime bellhousing and the fit is tight so the clutch alignment has to be dead nuts on.
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Originally Posted by Team Rockfish
(Post 1583151598)
The ball has to be welded to the frame, it's not a bolt on deal?
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I did some work on my trans tunnel as well. When the auto shifter is removed, there is a rather large indentation.
I flattened all that out, cut the hole to size, and welded in some new metal. Stock rubber boot and all wiring looks good. Took some work though. |
Pics of the hydraulic clutch master install?
How do you like it? Im looking at doing the same for my Pace Car... What other hurdles besides a different clutch and starter, and cutting a hole in the Tunnel? |
Hi mate, haven't seen it mentioned although I may have missed it?
Does your block have the threaded hole for the linkage ball thing? |
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Here's pics of the hydraulic clutch set-up.
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Some pics of the bolt on bracket on my 81. And more pics of how I did the tunnel.
Hope it helps. http://imageshack.us/a/img826/1226/imag0102de.jpg http://imageshack.us/a/img402/9701/imag0101x.jpg http://imageshack.us/a/img710/2960/imag0109uu.jpg http://imageshack.us/a/img405/6183/imag0108d.jpg http://imageshack.us/a/img844/103/imag0107e.jpg http://imageshack.us/a/img109/7093/imag0106dk.jpg |
commander 47 - did you weld in a new plate for the tunnel?
Originally Posted by DucatiDon
(Post 1583154824)
Pics of the hydraulic clutch master install?
How do you like it? Im looking at doing the same for my Pace Car... What other hurdles besides a different clutch and starter, and cutting a hole in the Tunnel? Are you starting with a manual? (the "different clutch and starter" part of your question threw me off.) If you're starting with a manual, the TKO 500/600 will pretty much bolt in if you get one with the right housing (Keisler, American PowerTrain and others). You'll need a crossmember adapter and a new driveshaft. If you're starting with an auto, you can likely re-use your starter, but you'll need to fabricate a plate. The 78 floor pan has a different setup for autos than manuals, and they don't play nicely. I don't know about later years, but earlier years the floors were the same. |
As another option, you could pick up a T56 6 speed if you don't mind doing a few mods and cutting the tunnel for the shifter location. Here's a thread I did on mine.
http://forums.corvetteforum.com/c3-t...gs-list-7.html |
Originally Posted by MIKE80
(Post 1583158926)
As another option, you could pick up a T56 6 speed if you don't mind doing a few mods and cutting the tunnel for the shifter location. Here's a thread I did on mine.
http://forums.corvetteforum.com/c3-t...gs-list-7.html |
[QUOTE=Shark Racer;1583158780]commander 47 - did you weld in a new plate for the tunnel?
I didn't weld in a plate. I know some guys to that. There is a large indentation where the automatic shifter goes. Unfortunately I do not have a good before picture. I used my hammer and body anvil to beat the indentation up. Because the metal had been stretched to create the bulge, I cut a slot to remove the extra metal and make it all nice and level. Then I welded the seam together. After all that work, you still have to enlarge the hole for the four speed. I made a cardboard template and cut the hole to stock specifications and it all fit together perfectly. I will say something else that was a real PITA. I dropped the motor and trans in together. You will never get the new trans in this way with the crossmember in place. You have to bring the cross member up, with the linkage attached to it. Once it's all up, you cannot place the little tool in the shifter to adjust the forks. If I ever were to do this again, I would try to bring the tranny up with the crossmember and linkage already attached and adjusted. Not sure this is possible. But I'm just one man in my home garage. I don't have fancy lifts or anything. http://imageshack.us/a/img513/9903/imag0104y.jpg |
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