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Old 07-01-2020, 07:29 PM   #1
JSRTUDOR
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Default 1956 272 flywheel

Can anyone tell me if a 272 Y block flywheel is shared with any other engine, and where can I get one? Thanks
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Old 07-01-2020, 08:00 PM   #2
darrell
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Default Re: 1956 272 flywheel

no just y blocks.239,256.272,292.312
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Old 07-01-2020, 08:00 PM   #3
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Default Re: 1956 272 flywheel

i forgot the 223 six
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Old 07-01-2020, 10:15 PM   #4
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Default Re: 1956 272 flywheel

Aren't the flywheels drilled for mounting different size pressure plates, and their matching clutch discs?
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Old 07-02-2020, 12:57 AM   #5
Daves55Sedan
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Default Re: 1956 272 flywheel

Yes, the flywheels are drilled and TAPPED for the clutch housing which were available in 9-1/2" and 10" clutch sizes for the Y-block engines.
Yes, the flywheels from all the Y-blocks were interchangeable (239, 256, 272, 292, 312).
I do NOT believe the flywheels and bellhousings for the 215/223 6-cyl engines are interchangeable with the Y-blocks. If worse comes to worse, I have a 6-cyl flywheel out in the garage that I could measure the O.D. if someone else had a V8 flywheel laying around that they could measure.
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Old 07-02-2020, 07:28 AM   #6
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Default Re: 1956 272 flywheel

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Thanks, so I can use any Y block flywheel and it will fit in the 272 bellhousing. Is there a way I can easily identify a Y block flywheel at a swap meet?
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Old 07-02-2020, 08:22 AM   #7
darrell
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Default Re: 1956 272 flywheel

if your planning on using your clutch you will need one drilled for a 10 inch clutch.i dont know any way to tell just by looking
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Old 07-02-2020, 09:26 AM   #8
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Default Re: 1956 272 flywheel

I think if you measure from tooth edge to center of bolt hole if some one has a 10" for sure.
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Old 07-02-2020, 11:09 AM   #9
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Default Re: 1956 272 flywheel

Quote:
Originally Posted by Daves55Sedan View Post
. . . I could measure the O.D. if someone else had a V8 flywheel laying around that they could measure.
I went out to the garage to measure the OD of the flywheel I've got for a '57 312 but forgot it's still on the engine... at the machine shop.
If it helps, I did measure the diameter of the clutch disc, 11 inches.
Photo, pressure plate bolt spacing. 12 inches
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File Type: jpg pressure plate c.jpg (86.7 KB, 15 views)

Last edited by dmsfrr; 07-02-2020 at 12:11 PM. Reason: add photo
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Old 07-02-2020, 01:22 PM   #10
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Default Re: 1956 272 flywheel

Thanks!
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Old 07-02-2020, 08:19 PM   #11
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Default Re: 1956 272 flywheel

Flywheels also came in a 11 inch version - used in Tbirds. As far as I know, all YBlock flywheels are inter-changable but as noted, have different size clutches
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Old 07-02-2020, 10:27 PM   #12
Daves55Sedan
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Default Re: 1956 272 flywheel

I would hope that if you saw some flywheels at a swap meet, that the proprietor of the booth would have it marked with chalk or something as to what it came off of, or be able to tell you in person.
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Old 07-02-2020, 10:39 PM   #13
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Default Re: 1956 272 flywheel

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Originally Posted by JSRTUDOR View Post
Thanks, so I can use any Y block flywheel and it will fit in the 272 bellhousing. Is there a way I can easily identify a Y block flywheel at a swap meet?

The flywheel has a dual purpose. The thickness and weight of the metal smooths out the rotation of the crankshaft when the cylinders are firing AND the ring gear around the flywheel engages with the starter drive so that you can use it to start the engine.
The big deal in this case is that your flywheel must be at the perfect diameter to permit the starter drive to engage with the ring-gear. Secondarily, you will NEED to get a bellhousing to fit around that flywheel that also bolts to any Y-block engine.
The good news is....all Y-block flywheels and bellhousings 1954-1964 are interchangeable.
THEN....you must match the clutch housing size to the flywheel. Your original 6-cyl clutch may be a 9 or 9-1/2". Its a good bet that you wind up with a flywheel for a 10" clutch. I personally would not want a smaller clutch for a Y-block, bigger if anything. The largest clutch size offered in 1956 was the 10".
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Old 07-02-2020, 11:08 PM   #14
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Default Re: 1956 272 flywheel

Here's a picture of the wheel that came off my 55 bird, T-86 o/d. I have no way of knowing if it was original, but I ran it for years till I went to an aluminum wheel. IIRC, it was an 11" clutch.
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File Type: jpg 98287183-496B-4C5C-B271-937566385561.jpg (40.5 KB, 24 views)
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Old 07-03-2020, 05:36 PM   #15
JSRTUDOR
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Default Re: 1956 272 flywheel

Thanks again for all the great information, it has been very helpful!
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Old 07-04-2020, 12:50 PM   #16
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Default Re: 1956 272 flywheel

do you still have it?
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Old 07-04-2020, 06:01 PM   #17
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Default Re: 1956 272 flywheel

The flywheels from the 215/223/262 Ford sixes will interchange with the 239/256/272/292/312 Ford Y engines. The bell-housings are different though. As previously brought up, the pressure plate bolt patterns can vary depending upon the clutch disk diameter. I've been known to simply re-drill a flywheel with the needed pattern when the pattern is not readily available. Ted Eaton.
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