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Discussion Starter · #1 ·
Would changing the inside diameter of a vacuum hose change the amount of vacuum supply to say a headlight actuator, assuming the amount of vac from the engine stays the same?

I hope this question is makes sense


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1969 Camaro RS/SS 350
 

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No, you stated vacuum source remains the same. So, flow would remain the same.

What will change is the velocity of the vacuum, if there is such a term. Smaller diameter, faster speed, larger diameter, slower speed, providing the source remains the same.

That's like asking "How much does a vacuum pump output?"............LOL

Everett
 

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Discussion Starter · #3 ·
Thanks Everett. So if I understand corectly if I change the diameter of the Vaccum hose to my headlight actuator the only thing that will change is the speed that the headlight door opens.

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1969 Camaro RS/SS 350
 
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