Quote:
Originally Posted by bennelson
The vacuum switch that I use on the Electro-Metro has a two set-point system. It shuts off once it hits a certain level of vacuum, and then doesn't turn back on again until a lower certain amount of vacuum.
It's really nice for making the pump not constantly running or chattering right at the set point.
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Mine too - a 3-4"HG spread between turn on and turn off. But....it still chatters. I think the placement of the switch (teed into the line between pump and brake booster) is an engineering flaw. The switch should be at the end with the pump teed in between it and the brake booster.
That gives me an idea...I should try that before I go and buy bits to make an accumulator.
