The HS4s are the 1 1/2" carbs. Quantum mechanics in CT has the manifolds from
the UK. Getting rid of the weber after putting in that nice filter?
Mike
Larry Macy <macy@bblmail.psycha.upenn.edu> wrote:
> OK Pardon my ignorance, and my deleting a series of mails about what the HS4
etc designations mean. Is the HS4 the 1 1/2 inch variety?? The reason I ask
is I may have a set of 1 1/2 inchers for nearly free. Not sure yet then I
have to get a manifold.
Larry
At this exact moment in time 12/4/00 10:09 PM, "Trevor Boicey"
made the profound statement:
> Nolan Penney wrote:
>>> I was thinking of trying that with my 1500, but the stock manifold for a
>>> 1500
>>> was for the Zenith Stromberg carb. What kind of manifold can you use on the
>>> 1500 to fit SUs onto it?
>>
>> Get the intake manifold of an earlier Spitfire engine. If I remember right,
>> you
>> can go all the way back to a Mk II Spitfire manifold, and have it bolt up to
>> a
>> 1500. The earlier engines ran dual SU's, as did 1500's from countries other
>> then
>> the US. The 1500 SU's are the bigger ones.
>
> While the above would work, for the 1500 you probably should
> get the real carb set for the 1500, which is dual HS4s on
> a larger manifold. (compared to dual HS2s on a smaller manifold)
>
> The carbs are not hard to get, use the internet to find
> a UK junkyard.
>
> Consider you are probably seeking more performance, this
> is the only way to go.
Larry Macy
78 Midget
Keep your top down and your chin up
Larry B. Macy, Ph.D.
macy@bblmail.psycha.upenn.edu
System Administrator/Manager
Neuropsychiatry Section
Department of Psychiatry
University of Pennsylvania
3400 Spruce St. - 1015 Gates
Philadelphia, PA 19104
Ask a question and you're a fool for three minutes; do not ask a
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