<VV> Pulsing Vacuum in Carbs

[Bill H.]

                                      B"H

Hi everyone...what do you think regarding very
"pulsing" vacuum on each carb at the base?  Vacuum at
the line at the front of the engine compartment (at
the firewall toward the back seat) is smooth, but
bounces back wildly "on-off-on-off" at each carb.

Any ideas?  Is this normal?  The engine runs very
nicely otherwise, but idle isn't as smooth or quiet as
I'd like.

Thanks for your advice...Bill Hershkowitz  69 Monza
110 PG




       
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