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Old 09-18-2020, 08:39 PM   #1
Habusailor
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Default 57 engine

My 57 has a c on the plate on the door jam indicating a 292. I was told when I bought the car it is a 312. Not sure it is the original engine so it might be a 312, how do I tell the difference?

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Old 09-18-2020, 09:05 PM   #2
Dobie Gillis
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Default Re: 57 engine

Look on the crank flange for an aspirin sized dot. Only 312 cranks had those. The caveat is not ALL 312 cranks had 'em.
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Old 09-18-2020, 09:20 PM   #3
55blacktie
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Default Re: 57 engine

The main bearing caps are different as well, due to the 312 crank journals being larger. Does the engine have a 4 barrel carburetor? If it has a 2 barrel carburetor and cast iron intake manifold, it's probably a 292.
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Old 09-18-2020, 09:30 PM   #4
dmsfrr
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Default Re: 57 engine

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Look for the casting number on the block.
It should be just above the oil filter. Just so you know what year / version the block is.
http://ford-y-block.com/Block%20identification.htm

The block number will not you if it's a 312
but take off the lower bellhousing cover and carefully turn the engine, if the crank flange has a dot it's a 312.
http://ford-y-block.com/identify312.htm

http://ford-y-block.com/crankshaftid.htm

Quote:
Originally Posted by Habusailor View Post
...I was told when I bought the car it is a 312. ...
Some sellers think they know but actually don't. Other sellers will tell you whatever you want to hear.
An unfortunate near truth in the world of Y-block engines... if it's for sale it's almost always a "312", until it isn't.

I looked at a '57 312 (D code) T-Bird for sale last year.
Asking price $45,000.... the engine was a 292 from a '56 truck, with a couple '57 parts on it.
Attached Images
File Type: jpg cleveland block casting number copy.jpg (84.4 KB, 33 views)
File Type: jpg 312 crank dot, copy.jpg (48.1 KB, 40 views)
File Type: jpg 312 crank dot, fordomatic trans, arrow.jpg (109.6 KB, 39 views)

Last edited by dmsfrr; 09-19-2020 at 12:07 PM.
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