'54 vacuum advance
Having some issues with jerky acceleration in 2nd and less in high.
Tested the vacuum advance with a vacuum pump and found it would bleed down.
I happen to have two new(NOS 50+ yr old) units which I tested.
They also bled down.
I'm used to vacuum advance units holding their vacuum.
Is this correct or do I have three bad units?
Thanks
Graham
Having some issues with jerky acceleration in 2nd and less in high.
Tested the vacuum advance with a vacuum pump and found it would bleed down.
I happen to have two new(NOS 50+ yr old) units which I tested.
They also bled down.
I'm used to vacuum advance units holding their vacuum.
Is this correct or do I have three bad units?
Thanks
Graham
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