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Unleaded 2.0 pinto cylinder head id

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Hi all, can someone tell me how to identify an unleaded 2.0 head.  Also, is there a difference between 1.6 and a 2.0 head.

Thanks in advance

Raymond

 

 

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Hi all, can someone tell me how to identify an unleaded 2.0 head.  Also, is there a difference between 1.6 and a 2.0 head.

I'm having my engine looked at over winter for this, so I will be able to help in a couple of months so I can't help until then i'm afraid

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My 2.0 unleaded head has a P stamped on it beside a punch mark on inlet side. 

1.6 head has smaller combustion chambers, so higher compression if used on a 2.0 block. 

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R,L or P stamped on the head back end on the exhaust manifold face

2.0L 48cc combustion chamber

1.6L 38cc combustion chamber

putting a 1.6 Head on a 2.0L block makes the combustion ratio far to high and a skimmed 2.0L injection head is a much better base to work with

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