6066 (1960-1966) GMC Truck Club

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-   -   Clutch size (https://6066gmcclub.com/showthread.php?t=51935)

Pfroman March 31st, 2026 08:18 PM

Clutch size
 
Hello All;

I am looking at a new clutch for my 64 305E with SM420 (not hydraulic). Was hoping to get some recommendations on which size and brand is preferred by you knowledgeable gents out there. I think have an 11" but need to confirm. can I use the 12" or the smaller 10"? Specs are all over the place so I am a bit confused on what will work and what won't. Is it better to go bigger on it? Just looking for advice!

Thanks,

Funky61 March 31st, 2026 11:28 PM

Re: Clutch size
 
Good thread here Pfroman;

https://6066gmcclub.com/showthread.php?t=51528


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