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Sounds like an Offy Dual Port. The theory is a high velocity primary in half of the intake runner, and the full punch from the secondaries filling in the rest of the runner volume.

$400 was a lot of money back in those days. That intake cost over $500 CDN back in those days.




That Offy DP .... never ran one me-self but a bud did. Ran good except when he got into the secondaires. VERY restrictive inside that manifold. That intake must have been a horror show casting up...

4-5 huN beans ? ... DAMN

I am not familiar with the time-line .. but it was probably the same years that Eddy came out with the Streetmaster. That is a muchO bester intake than the Offy DP.