Title: Vacuum pipe intake -> car restriction Post by: JohnFol on July 11, 2022, 10:11:13 AM Morning all, currently working on inlet manifold and spotted the union taking vacuum to carb has has an unexpectedly small opening. It's about 1mm in diameter, suggesting a deliberate "dampening effect" to smooth out changes in pressure, or it needs to be replaced / drilled out a bit wider.
As usual, real world advice much appreciated as all the parts diagrams / images I can find either relate to wrong manifold or don't show the opening Title: Re: Vacuum pipe intake -> car restriction Post by: WestonE on July 11, 2022, 09:14:25 PM Hi John
This is normal and saves using a nozzle from a MIG to achieve damping of the pressure signal. Eric Title: Re: Vacuum pipe intake -> car restriction Post by: JohnFol on July 11, 2022, 09:34:20 PM Thanks Eric. How many beers do I now owe you and others?
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