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02-26-2011, 09:49 PM | #1 |
Registered User
Join Date: Oct 2010
Location: Cleveland, GA
Posts: 6
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10 inch or 11 inch clutch on same flywheel?
Pulled the clutch out of my '67 c10 yesterday. It has a 10" pressure plate with a 9-1/8" disk. That's is a no-brainer mismatch. Anyhow my local parts guy claims that either a 10" or an 11" clutch set will work. I would prefer the 11". So I measured 11" inside my 10" cover and 11" comes almost to the holes for the bolts to the flywheel. The Store would have to order either one in, I would like to get it right the first time. Does anyone know if indeed that is true, will a 10" or 11" work on the same flywheel?
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02-27-2011, 10:57 AM | #2 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: 10 inch or 11 inch clutch on same flywheel?
What engine do you have?
I put a 11 inch clutch behind the 454 in my '71 and it fit just fine. Auto Zone had it in stock. I am sure some one else will chime in since I am bumping this to the top.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
02-27-2011, 12:23 PM | #3 |
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Join Date: Oct 2005
Location: Overland Park, Ks.
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Re: 10 inch or 11 inch clutch on same flywheel?
I'd say it won't fit. The 11 &12 interchange but not the 10 in.
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02-27-2011, 12:27 PM | #4 |
The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,626
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Re: 10 inch or 11 inch clutch on same flywheel?
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I agree with Wrenchbender, whatever the face of the pressure plate measures is the largest one I would go with. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
02-27-2011, 12:35 PM | #5 |
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Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: 10 inch or 11 inch clutch on same flywheel?
Some newer flywheels are bored for both size clutches but the oldes one may not be. My old 69 had with a 250 six had a heavy duty clutch and since it was a daily driver it was a bear to drive. I converted to smaller clutch but had to get another flywheel.
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02-28-2011, 04:35 PM | #6 |
Registered User
Join Date: Oct 2010
Location: Cleveland, GA
Posts: 6
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Re: 10 inch or 11 inch clutch on same flywheel?
It has a 230 engine. Not original.
The replies sum up what I was thinking, I don't think the 10" can be replaced with the 11". One reason being the bolt holes in the flywheel. I am going to talk again to the parts guy. Thanks for your replies. |
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