Query on port-heads

[Mike Costigan]

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And Mike I hope you just put that manifold under a glass globe on your chimney?

Sadly, no; it went with a number of other random tuning bits when I had a clear-out in the '70s. The concept was as the one illustrated by austin, but the exhausts were long individual pipes (4 into 2 into 1, probably, I can't remember) and everything fabricated in thin steel rather than cast. The inlet was a separate assembly which, as I say, stayed behind in Norfolk. the tongues which projected into the block were probably no more than 1/16" thick, austin's version looks to be rather more substantial.