The SBC 14096217 head casting additional hands on info.

63Half-ton461

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1978 Monte Carlo 383 slammed
{The 14096217 SBC head casting) Working on a set of 14096217's that came from a 5.7 Mercruiser, They are 1.94" / 1.50" valve head with 64cc chambers and no swirlport vanes. Some interesting points to note, these heads have hard steel exhaust seat inserts ! the exhaust v/v's are 0.372 (3/8") oversize stem, These are for HD use.
These heads are definitely bowl bias to act as a semi swirl-port head, a good head porter could really have some fun making these an even more aggressive swirler and really punch the torque curve.
Might flow these on my bench one day just ta see what they can do and be made to do.
 

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