Vacuum Secondary vs Mechanical Secondary

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#5 (permalink)

02-17-2017, 03:43 AM

Gaz64

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Join Date: May 2008

Location: Brisbane, QLD

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Posts: 2,797

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Two 600 vac secondaries are fine, twin 390s would be a little small.

Your idle feed restrictions need to be smaller, but first thing to check is the idle air bleeds are clean of any foreign debris.

A blown power valve diaphragm will also give you this condition.

Gary

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