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Old 11-19-2015, 05:11 PM   #39 (permalink)
Isaac Zackary
Full sized hybrid.
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Suzy - '13 Toyota Avalon Hybrid XLE
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Can you put a rheostat or pulse width modulator on the pump and slow it down?

Also, for vacuum all you may need is a vacuum reservoir with a manual valve and a check valve. You may not even need the manual valve if your system isn't leaky.
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