If you were doing an A Series motor I would suggest you get a single SU
intake and run a single throttle body type injector.  The Siamese ports on
the A make things funky for injection.  But, since you mentioned Strommy, I
assume you are doing a Spitfidget.    There is no reason you can't make an
intake manifold from steel or stainless steel.  Use a gasket as a pattern,
cut  a 1/4" or 3/16" plate and ............  You get the point.
If you come up with a nice port injection system it would be easy to plug a
blower into the system and have some real fun.
Cheers,
Derf
 
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