the exhaust spacing is the same for all models of TR6. The different
spacing is in the intake spacing. If was because of the change of
manifold from the short manifold to the manifold with the long runners.
aaron
On Wed, 10 Jun 1998 dstauffa@csc.com wrote:
>
> I don't think it will. The reason being that the port spacing was
> different on the early - 1972 and earlier - heads. Don't know why Triumph
> did this. My TR6 came from the factory with the dual pipe system but it's
> port spacing was the same as the later heads. You may have to opt for a
> later head.
>
> Dave,
> San Diego, Ca
> 1970 TR6 PI CP51649.
>
>
>
> This is probably already been covered. If so beat me with a wet
>
> noodle. Will the late headers(dual pipes) bolt up on the early head?
>
> I am going ground up and would like my '71 to breathe a little easier.
>
>
>
>
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