235 11-inch clutch availability
I am currently looking for a replacement clutch kit for my 1956 Chevy 3/4ton pickup, 235/SM420. The old clutch is 11" OD and I'm having issues finding a new 11" clutch kit, many are only listed for 265 V8's but not sure what the difference would be. Anyone else have a good source for a 11 inch clutch for a 235?
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Re: 235 11-inch clutch availability
I think from 235 to late '90s all 11" GM clutches are the same? my spare parts horde is a mix of 235 and '60s/70s disks and I can't tell them apart
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Re: 235 11-inch clutch availability
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Some searching on the GM Heritage PFD for 56 trucks https://www.gmheritagecenter.com/doc...olet-Truck.pdf Shows that the 11 inch clutch came with rpo (regular production option) 227 that was the 11 inch clutch. A 10 inch being the standard clutch for a 3 speed truck. I checked a couple of spots and the websites do just show a 10 inch clutch for a 56 3600 and that is probably the issue. Still an 11 inch Chevy clutch for a 50's though mid 70s should be an 11 inch Chevy clutch no matter what the engine is. You might check to see if there is a brake and clutch rebuilder in your area that you can take the disk and pressure plate to have rebuilt or exchange. You might check and see if there is a brake and clutch rebuild shop close to you. One that you can take your disk and pressure plate into and have them rebuild it or do an exchange. |
Re: 235 11-inch clutch availability
So I've found 11" clutches for cars with 235's but nothing listed for a truck. Feedback direct from Luk was they only have a 10" for a truck. I don't know why a BelAir with a 235 and 11" clutch would be different than a truck, same trans input spline count and OD. Possibly different throwout bearing between the two?
Also, the clutch I took out is a Perfection Clutch- seems their website is down or not working so I haven't been able to get direct feedback from them. |
Re: 235 11-inch clutch availability
Your truck came with an 11 inch clutch, RPO option 227 as I showed in post 3. The problem is that the light duty clutch for a 3 speed is a 10 inch and that is what they show on line.
As I said before You need to walk into a real parts house lay the disk and pressure plate on the counter and tell you need one like that for your Chevy and that parts house needs to be one that still has the paper catalogs and doesn't rely on computer alone. |
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Re: 235 11-inch clutch availability
A heavy truck place isn't what you want at all as it is not a semi.
A SACHS K547301 {K5473-01} Heavy Duty Disc 11" Clutch or equivalent should work That's the 11 inch clutch for a 61 C10 with a 235. Here is an outfit in Chicago like what I mentioned before https://www.naylorautomotive.net/truck-clutches |
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