Y Block Heads


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By heberhal - 9 Years Ago
I am buying a 55 with a 272 in it. My son has heads off of a 56 - 292 bird. is there a difference?
By charliemccraney - 9 Years Ago
They should be different but after more than 60 years, anything can be installed and there is only one way to know.  You have to look at the numbers.
By NoShortcuts - 9 Years Ago
Welcome to the site.

Click the link below for a page of cylinder head information provided by John Mummert.  In reviewing all of the page, you'll have a handle on the original supplied cylinder heads for the different years, and in many cases the combustion chamber volumes and the compression ratios when they were used on particular cubic inch displacement engines as advertised by FoMoCo.

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

Hope this helps.  Smile
By heberhal - 9 Years Ago
Thanks, That will be a good start. I can identify mine and see what they are then see if I will use them or not. Car is to arrive this week.
By paul2748 - 9 Years Ago
sorry - wrong thread