[Fot] difference early and late TR6 Cylinder head

[Robert M. Lang]

On Mon, 6 Oct 2014, Charly Mitchel wrote:

> TR6 changed about 1972, I believe.

Correct. The "Federal Spec" TR6 got the narrow port head from CC25000 
up to CC75000. After that, "Federal Spec" TR6's got the (better) "wide 
port" PI head.

TR6's comm. numbers for the 72 model year starts at CC/CP 75000.

Regards,
rml


>    > Good Day,  Could someone refresh me on the centers of the ports on the
>    > early
>    > style cylinder head?
>    >
>    > Thanks in advance,
>    >
>    > Henry Morrison Albuquerque, NM