Test for Vacuum Leak?

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Nov 21, 2014 | 05:40 PM

Robert Weaver

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Test for Vacuum Leak?

What's the easiest/cheapest way to test for vacuum leaks around the manifold? Could you use Cigar thru a Vac Line? Or spray Carb Cleaner around it?

Nov 21, 2014 | 05:54 PM

Archer

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From: Long Island, NY

Robert -

Carb cleaner or even a water mist spray.
Listen for changes in sound or rpm.

Archer

Nov 21, 2014 | 06:04 PM

Robert Weaver

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Only do the carb cleaner when the engine is cold, right? Can u do the Cigar thru a Vac line on a Carburetored Engine?

Nov 21, 2014 | 08:11 PM

moe7404

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get a small hose, VAC line or from your RC fuel line. with one end at your ear the other end at the manifold. engine running its not hard.

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