49 Flywheel Help!!!
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Junior User
Joined: Jun 2013
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From: Inverness, Fl
49 Flywheel Help!!!
I split the engine and transmission on my 49 F1 today, and noticed that someone had welded a ring gear on the flywheel, and it is not even straight. I found a local auto parts store (orileys auto parts) and they had one in stock. When I brought it home, I noticed a couple of differences. The first was that there were many holes that are threaded for the pressure plate. Upon research, I learned that this flywheel is made for either a 11" clutch or a 10" clutch. However, the hole for the pilot bearing is slightly larger on the new clutch, and it has 164 teeth. The old one has 112. Am I missing something?? Do they have the wrong part numbers? Can I use 164 teeth? Should I return the part?? It seems like it is half right, half wrong. Please help! Any advice would be great. This is not a project I want to do twice!
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Joined: Oct 2009
Posts: 16,152
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From: Burbank, WA
164 teeth sounds like something for a modern engine, not a flattie. And it would be highly unusual for an O'Reilly's to have flathead flywheels in stock, as it's not going to be a fast moving part. Are you sure you have the right part in the first place?
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Junior User
Joined: Jun 2013
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From: Inverness, Fl
Flywheel
I found that the Oriley's part number was for a more modern performance crank. It is the correct part number, so long as you upgrade the crank to the performance crank. I informed them of the stipulation, and they submitted a ticket to change the part description at their corporate office. I was able to find a used flywheel on ebay. It is in really great shape, but will still have to be resurfaced. Thanks for the help!
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
I split the engine and transmission on my 49 F1 today, and noticed that someone had welded a ring gear on the flywheel, and it is not even straight. I found a local auto parts store (orileys auto parts) and they had one in stock. When I brought it home, I noticed a couple of differences. The first was that there were many holes that are threaded for the pressure plate. Upon research, I learned that this flywheel is made for either a 11" clutch or a 10" clutch. However, the hole for the pilot bearing is slightly larger on the new clutch, and it has 164 teeth. 
The old one has 112.
Am I missing something?? Do they have the wrong part numbers?
What would you assume...considering the incorrect 164T ring gear?
The old one has 112. Am I missing something?? Do they have the wrong part numbers?
What would you assume...considering the incorrect 164T ring gear?
As original ~ Left: Flywheel & Ring Gear (6375) / Right: Ring Gear Only (6384).
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