[TR] Cylinder heads

[Bob Labuz]

Andrew,

The only thing you will have to worry about is the choice of intake 
manifold. The later TR4 and 4A manifold is a bit longer than the earlier 
high port 3 and 4 manifold. Using stock H6 carbs will cause a fitting 
problem (stock air cleaner) with the hood (bonnet) on the 4 model. Using 
the newer HS6 carbs or maybe the 175 ZS carbs  is a must using that 
longer manifold. As far as I can remember both exhaust manifolds will 
work just fine.

Bob

  On 04/13/2016 08:24 AM, Andrew Uprichard wrote:
>
> Thank you TeriAnn and all who replied.
>
> The second part of my question was whether any carb (plus matching 
> manifold) could be used on any head and the answer was, apart from the 
> low-port head, they are all interchangeable.
>
> Andrew Uprichard
>
>

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