Pirate4x4.Com : 4x4 and Off-Road Forum - View Single Post - Best clutch to get for a NV3550?
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Old 05-15-2019, 12:34 AM   #4 (permalink)
DirtyComanche
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Join Date: Sep 2005
Member # 53453
Location: On the Bottle
Posts: 22,615
Quote:
Originally Posted by zippyridgerunner View Post
Centerforce 2
I don't know if I can source one for a sort of even half decent price.

Quote:
Originally Posted by Marty, SoCal View Post
An 11" or 12" might be possible instead of the 10.5" Jeep clutch. They came in Dodges with the NV3500 and NV4500. Same input spline size and same throw out bearing. The flywheel will need to be re-drilled for the larger bolt pattern of the cover. Clearances in the bell housing will need to be verified.

Also the 10.95" diameter diaphram type clutch from a mid-late 70's SJ or J20 with the 360 or 401 will fit the 10.5" clutch bolt pattern and have the same 1-1/8"- 10 spline input. It gives a lot more surface area on the disc, same ID as the materiel on the 10.5" clutch disc, but 10.92" on the larger diameter. The cover will clear inside most bell housings, too. Maybe ask Centerforce about getting one.

These 10.95" "Scalloped" clutch sets were also used in '70 up Mopars, including Hemis so they hold up well. I found an old Mopar Direct Connection bulletin, section 2 cover's clutches:
http://www.mymopar.com/downloads/DC_...e_Bulletin.pdf
I have zero interest in ordering parts that might work. I have to order everything out of the US if I want to not get ripped off, and because of the time lag for doing that I can not return anything.

That said, I guess if an AMC V8 flywheel and clutch will work with the NV3550 and a crank flange that looks like a 4.0L, that would be interesting as it would solve one other problem. I picked up (locally) an AMC 4.2 flywheel to compare to a 4.0 HO one (which is what would be called for with the NV) and they were very different when it came to offset of the face and ring gear position. V8s used another P/N again, I guess I could try to find specs to see if they're similar to other flywheels or not.
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