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Installing a TKO into a 55-57 Chevy

This conversion will utilize the GM conversion 5sp GM TKO.  You will need to have a 26 spline clutch disk though.  And you’ll have to shorten your driveshaft, and install the C6 slip yoke onto it.

According to the majority of our customers, the trans will fit into your tunnel without modification.    I’ve had one person tell me they had to “lift” the tunnel to get it to fit.

If you have a bench seat, you will likely want the 12.56” mid-shift shifter option for $.

If you have bucket seats, and don’t mind cutting your tunnel a bit farther back, the stock shifter location at 16.75” will work.

Danchuk is selling a 5sp crossmember just for your car!  Check it out here.

And here is another source for 55-7 parts!   http://www.mrnomad.com/

 

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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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