3550 69 Camaro TREMEC GM TKO

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Installing a TKO into a 1967-69 GM F-Body

The parts you need for this conversion are listed on the “GM Conversion Package” page.

Now available! 5sp console inserts! $29.95! They’re here!

Click here for additional pics.


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The transmission will fit in the tunnel without additional modifications. The stock box-style crossmember (TH350) won’t work. The issue is that the stock crossmember won’t slide rearward far enough due to the floor design. You’ll need to get one of our replacements ($). Or, a TH400 crossmember will work if you modify the trans-mount tab by cutting it off, and re-welding it on the rearward side of the crossmember.

Please read this great write-up by Matt Purdy (click this link). It’s a very detailed write-up of how to install a 3550/TKO into a ‘69 Camaro. This is Matt’s wording verbatim from a posting at Team Camaro. Matt was kind enough to give us permission to repost his write-up here. Thanks Matt!


	Click here for additional pics, including crossmember modifications

These new TKO-500/TKO-600s have a shifter location that works GREAT with your stock console. No need to move it anymore! The 16.75” shifter location that comes with the trans is all you need. It is true that the shifter is centered in the tunnel, whereas your stock shifter was offset a bit to the left. However, that is not a problem, and the TKO shifter location works just fine.

Tunnel modification; You will not have to do anything significant to the tunnel, however, you will have to trim the existing shifter opening a bit as shown in these pics (forthcoming).

Mike Forte has designed a custom shifter just for the 67-9 F-body cars. It puts the shifter bar right where the Muncie shifter bar is. See more about this shifter here. It is a bit smaller in size compared to the Hurst billet alum shifter that comes on the TKO line now, which means you will have to trim less from the stock shifter opening in the tunnel.

The TKO has a C6 output shaft that will require a C6 slip yoke to be installed onto your driveshaft, and the driveshaft will need to be shortened by about 2”.

Here’s a nice pic showing the underside of a ‘69 with a BBC. Notice he used the TH350 crossmember, but has a Wayne Due subframe that has room to allow this. The trans mount is a typical GM type, but he drilled and tapped two new mount holes in the trans mount pad.

Click the pic to see a larger version.

69 Camaro, with the 16.75” custom shifter shown. Installation requires trimming about 1/2” off the passenger side of the stock shifter opening.

69 Camaro, 16.75" centered custom shifter

Thanks to Don Dabbs for providing the pics!

69 Camaro, 16.75" centered custom shifter

This website is a comprehensive collection of information regarding the installation of TREMEC transmissions into various vehicles. Material contained in here may be reproduced for PERSONAL USE ONLY. No material may be redistributed in electronic or printed form without the written permission of Brad Wedan (owner). Owner believes to the best of his knowledge this information to be correct, however no warranty is made as to its accuracy. Owner also disclaims any liability for financial loss, property damage or injury in connection with use of this information. Not affiliated with, endorsed or compensated by TTC, or any sanctioning body mentioned within. Any trademarked names are property of their respective trademark holder and are used for identification purposes only. Portions of this website may be copyrighted by other individuals or organizations.


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