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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2001 Posts: 31 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2001 Posts: 31 | Can I put a 1938 pressure plate in a 1937 1/2 ton? My 37 has a coil spring pressure plate (10" diameter). The 38 is diaphragm with a 9" clutch plate. Do I need to change the clutch plate? The 37 is a 10" plate. The 38 is a 9" plate. Both fit on the flywheel plate fine. The coil spring pressure plate does not engage smoothly.
Mike J 37 GMC
| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Unless you are planning on changing to a 1938 bellhousing, clutch fork, throwout bearing, flywheel, pressure plate and disc, you will find this a no go.
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