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Reply to "Supercharger - Magnuson MC-220"

One of the Nor-Cal guys had two. What was on them were 2V open chamber heads (big valves not necessary), stagger-jetted 50DCOA carbs and the rig pushed 6-7 psi (good for the day but small potatoes in 2017). But likely about all the thin-wall cylinders could reliably hold. Another Nor-Cal guy (Forest Goodheart) replaced the DCOE Webers with GM throttle body injectors running as side-drafts and avoided jetting problems.
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