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Bellhousing interfering on 24v pressure plate?

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Old Dec 13, 2020 | 04:47 PM
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Bellhousing interfering on 24v pressure plate?

Hey ya'll I put a 24v in a 94 chevy k2500, I put a 13 inch southbend clutch on it and now my bellhousing interferes on the pressure plate, it is a nv4500 transmission and the bellhousing that came with seemed to be right as it bolted right up with no clutch installed on the engine.
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Old Dec 14, 2020 | 02:27 PM
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Is it the correct flywheel? Are you sure its a bell/pressure-plate interference? Or maybe its disc/flywheel interference? Is the disc in backwards?

FWIW, I've noticed some of the 13" clutches have a larger diameter damper spring package, and that requires a flywheel with a larger diameter rebated area in the center.

Will need to know the:
- nv4500 source/application
- bellhousing source/application
- flywheel source/application
- southbend clutch application

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Old Dec 14, 2020 | 02:51 PM
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Yes I am sure the bellhousing is hitting the pressure plate. It is a sbc 0090 clutch and is a push type I believe. I can post a picture later but I can see marks on the pressure plate and scratches in the bellhousing from it, I had heard before that sometimes the pressure plate can run a pretty tight fit in there but I never expected a clutch advertised as a stock replacement to hit.
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Old Dec 14, 2020 | 02:52 PM
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Yes I am sure the bellhousing is hitting the pressure plate. It is a sbc 0090 clutch and is a push type I believe. I can post a picture later but I can see marks on the pressure plate and scratches in the bellhousing from it, I had heard before that sometimes the pressure plate can run a pretty tight fit in there but I never expected a clutch advertised as a stock replacement to hit.
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Old Dec 14, 2020 | 03:39 PM
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This clutch?
https://www.southbendclutch.com/clutches/0090-10128/

What engine plate (adapter) is on the back of your cummins? Stock NV4500 uses the thicker one.


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Old Dec 14, 2020 | 03:42 PM
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Yes that clutch, ill have to take another look at my adapter plate. Hopefully thats my issue thanks I didn't think of that as the engine was from and automatic I believe. But that should give me the space I need if it is the automatic one
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Old Dec 14, 2020 | 05:49 PM
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Auto or std is the same. 1stgen vs 2ndgen is different... 2ndgen is thicker. Diesel NV4500s came with the 2ndgens.
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Old Dec 14, 2020 | 06:18 PM
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Ah okay, sorry this is my first swap. I just measured 1 1/2 inch about on my adapter plate, I couldn't see exactly what you got in that picture on yours though
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Old Dec 15, 2020 | 08:46 AM
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That's the thin one. The 2ndgen plate is almost 2.5"... it also requires its own starter motor.
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Old Dec 15, 2020 | 08:52 AM
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Alright thats no problem. Thanks a lot for your help! Hopefully this is what I need
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Old Dec 15, 2020 | 10:47 AM
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Good call u2slow. That should fix him right up.
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