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NOS Y Block heads

Posted By iowa fords 12 Years Ago
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NOS Y Block heads

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iowa fords
Posted 12 Years Ago
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I have located a set of Y-Block heads # OK12, can't find that number anywhere. Does anybody know about these heads?

tom in iowa

54 Merc wagon

54 sunvalley
aussiebill
Posted 12 Years Ago
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iowa fords (6/21/2013)
I have located a set of Y-Block heads # OK12, can't find that number anywhere. Does anybody know about these heads?


Certainly not a relative number, look in john mummerts site and there is list of heads etc. usually numbers are between exhaust ports or under the water inlet casting hole near intake port.

  AussieBill            YYYY    Forever Y Block     YYYY

 Down Under, Australia
awhtx
Posted 12 Years Ago
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Is 0K12 the casting date as in 0 (1960) K (October) 12 (12th)?
Ted
Posted 12 Years Ago
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As Alan brings up, that number you posted could be a date code. Besides looking under the water jacket ports where the intake manifold bolts on to the heads for the something that looks like a head casting number, also look in the valve train area or on the deck surface where the heads bolt to the block.



Lorena, Texas (South of Waco)


iowa fords
Posted 12 Years Ago
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I found the number C3TE 6090 B with a date code of 10/13/66

tom in iowa

54 Merc wagon

54 sunvalley
Hoosier Hurricane
Posted 12 Years Ago
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They are '63 truck heads, and as such would be low compression with small intake valves.

John - "The Hoosier Hurricane"
http://www.y-blocksforever.com/avatars/johnf.jpg
Hollow Head
Posted 12 Years Ago
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So, good candidates for turbo build up with larger valves and some port work Wink.

http://forums.y-blocksforever.com/uploads/images/e3fd9a79-e7c3-47ff-a648-8cd5.jpg Seppo from Järvenpää, Finland
www.hollowheads.net (just click the hole in the head to proceed)


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