refurbished carburetor - wild ride

To find a manifold leak I use a shop vac with the hose connected up to the "blower" side of the shop vac. For exhaust leaks connect the hose to the tail pipe and turn on the vac (blower). Spray soapy water and look for bubbles. For intake leaks connect the vac (blower) to the intake of the carburetor.

Bob


i see what you are suggesting here, it is easier to check a positive pressure for leaks with leak detection fluid than a negative pressure, but my 'Hoover' doesn't offer me a positive pressure side. i will have to think about this one.
 
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