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Old August 1st, 2016, 04:37 PM
Chuck78 Chuck78 is offline
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Join Date: Jul 2014
Location: Columbus OH
Truck: 1962 GMC 1000 panel truck
Age: 45
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Default 62 GMC 1000 Panel - which clutch throwout bearing?

I failed to measure my TO bearing when I had to pull the engine last (replaced front and rear cylinder head freeze plugs, firewall side were disentegrated). Now on looking them up, I see there is a long style and three short versions all from the same manufacturer. I seem to think from recollection that it may be the long style.

Can anyone verify this or simply tell me that all of these listed for my model on Rock Auto could possibly have been used depending on transmission or clutch type?

It had an SM318 3ott, then T5, then SM318 when I got it, blew that up and put in a Saginaw 4 speed with existing TO bearing. Now looking to swap an Aisin AX15 5 speed or possibly A833/NP440 MY6 with gm bell pattern.

305D swapping to 351C next time I pull engine to swap in disc brake crossmember.

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Chuck in Ohio
*'62 GMC 1000 Panel Truck - 305D/Saginaw 4sp soon: 351C V6 + AX15 5sp OD trans, & 73-87/91 disc brake front end, rear Cadillac calipers/ AWD Astro rotors, Dana 44 redrilled to 5 lug
*'88 Suzuki Samurai 4x4 project, VW 1.9L mTDI turbodiesel, Toyota V6 LandCruiser drivetrain, full floater axles, future LWB bed stretch
*'77-'79 Suzuki GS motorcycles, '76 Rickman CR900 roadracer.
*Dirtbikes: 2 Kawasaki KDX220R's, '77 Suzuki PE250, '83 PE175
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