6066 (1960-1966) GMC Truck Club

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-   -   Clutch pivot arm (https://6066gmcclub.com/showthread.php?t=51678)

BobBray December 26th, 2023 05:05 AM

Re: Clutch pivot arm
 
Looks fine to me. The clutch pivot looks a bit lower than the crank centerline, so the fork is going to be at a slight angle. If the new fork is exactly the same as the old one, I don't see how the angle could be any different.

Prowbar December 26th, 2023 07:46 AM

Re: Clutch pivot arm
 
Thanks for the picture. This is how mine looked as well.

Troyport December 26th, 2023 01:49 PM

Re: Clutch pivot arm
 
Thanks for the replies! Yes, the pivot ball is lower, so the fork is on an angle. This doesn't concern me. The off center will create some side load where the bearing slides on the input tube, to me not ideal. But apparently will work fine. Just didn't know if someone before me did something wrong, and as I matched parts I was blindly making the same mistake.

Jim A December 26th, 2023 06:10 PM

Re: Clutch pivot arm
 
It is a little disconcerting to see the contact points not directly opposite each other, but they may get closer as the T/O bearing moves in and out.
You might try that motion with the old parts to see if they can line up at 12 and 6.
The hardest thing I found was getting free play (full release) and full travel.
I hope you get an "ah ha" moment.

Troyport December 27th, 2023 01:28 AM

Re: Clutch pivot arm
 
The fork is already on the "inswing" in that the non- center will get worse. I will see how a good gently used OEM looks. I am not concerned about getting freeplay and full disengagement based on what I see with the linkage.


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