I'm no expert, but I do know it's a different casting and that if you
just skim a carb head to get the same compression ratio, differences in
the water chamber sizes mean you get a weaker unit.
Adam
Jim Hill wrote:
> Adam Turner wrote:
>
> > I've managed to secure an original CP 150bhp head for my TR6
> > (being a Brit does have its advantages). The head's now in
> > for porting, skimming and all that jazz.
>
> > I'm going to fit triple webers and a PI sport exhaust. My
> > question is, will Richard Good's manifolds fit, or do they
> > work only for the stateside casting?
>
> Haven't seen an answer to Adam's question yet, but as far as I
> know Richard Good (GoodParts)'s intake manifold is for triple
> Strombergs - not Webers.
>
> And I'm curious about the "150bhp head". It's my understanding
> that the output of the FI Sixes was 150bhp and that the
> compression ratio of these cars was higher than carbureted
> models, but what else is different/better/worse about the head
> from an FI car other than its thickness?
>
> Jim Hill
> Madison WI
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