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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: Ronno6 on April 15, 2018, 10:24:07 AM

Title: Muncie M20 Shift Linkage
Post by: Ronno6 on April 15, 2018, 10:24:07 AM
I am preparing to install a Muncie M20 into my 84 C10.
I pirchased a used M2o setup with Hurst Competition Plus shifter already mounted.
I am confused by the linkage.
Most pics I have seen orient all 3 shift levers upwards.
My setup has the 3/4 and reverse lever pointing up, but the 1/2 lever is pointing down.
I have seen 1 photo like that, but only 1.
Could this be correct, or is the previous owner playing a joke?

Also, my trany's date code does not match what I have seen online.
The # stamped into the case on the passenger side flange just ahead of the tailshaft housing is 7R26.

Maybe this means 1967 October 26 ???
I can find no casting date codes in the prescribed manner inside bisected circles.

So much to learn....
Title: Re: Muncie M20 Shift Linkage
Post by: Rapid Roy on April 15, 2018, 12:41:14 PM
Welcome to the site
Title: Re: Muncie M20 Shift Linkage
Post by: Ronno6 on April 15, 2018, 03:18:04 PM
Welcome to the site
Thanks. I 'preciate it....
Title: Re: Muncie M20 Shift Linkage
Post by: Peter S on April 16, 2018, 06:12:38 AM
Your tranny has a Hurst Super Shifter. The 3-4 gear linkage in incorrectly installed. The arm should be facing up so that the linkage rod is parallel with the 1-2 gear linkage rod.   
Title: Re: Muncie M20 Shift Linkage
Post by: Ronno6 on April 16, 2018, 07:58:55 AM
Your tranny has a Hurst Super Shifter. The 3-4 gear linkage in incorrectly installed. The arm should be facing up so that the linkage rod is parallel with the 1-2 gear linkage rod.

That is a pic I found on the web.
Mine has a Hurst Competition Plus shifter.
Title: Re: Muncie M20 Shift Linkage
Post by: Peter S on April 16, 2018, 08:04:27 AM
Regardless of which Hurst shifter you have, the 1-2 & 3-4 arms attached to the side cover face up.
Title: Re: Muncie M20 Shift Linkage
Post by: Ronno6 on April 16, 2018, 08:55:51 AM
Regardless of which Hurst shifter you have, the 1-2 & 3-4 arms attached to the side cover face up.

That is what I thought.
Thanks.
I wonder why mine is not correct??
Maybe the previous owner wanted the stick in the forward position when in 4th gear??