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rpm switch qs

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Old 07-01-10, 04:23 PM
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rpm switch qs

now i ahve a rpm switch thats adjustable ands says 4 6 8 10 cylinder engines. what would i set it for on a rotary engine.thanks if anyone can help
Old 07-01-10, 05:05 PM
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4 cyl. is the closest setting. Other than that, you'll just have to set it and see if it triggers at the desired RPM.
Old 07-01-10, 06:48 PM
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thats what i thought. now is the 6 ports vaccum line the ones coming off the split air from the cat? cuz now i need to hook up my air pump and im shure thats the 6 ports themselves. i going off the rotary resurrection page about hooking up an electric pump and cant figure out witch is witch. thanks for anymore help
Old 07-01-10, 08:16 PM
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It's the metal hardline with a small rubber hose connected to the split air pipe.
Old 07-02-10, 09:22 PM
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thank you
Old 07-02-10, 10:25 PM
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i just got it all hooked up and went straight from the air pump to the split air(6 ports) and now my ports open up at 4k rpm around and i can see the aux ports opening after the pump kicks in. now is this ok to do. i was told i need a vaccum soleniod and all but just bypassed it. and went staight from pump to aux ports. this ok?
Old 07-03-10, 06:58 PM
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What is the RPM switch activating? An electric air pump? If you're switching a pump on at approx. 3800 RPM, that will work as an activation method. You probably should stick a pressure gauge on the end of your line to see how much the pump is making. Only about 2 psi is needed, and if you go a lot higher the diaphragms in the actuators could blow out.
Old 07-03-10, 10:09 PM
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yea it is to and electric pump and i have 2 valves on the pump so i have one of em completly open to vent excess air. and at about 4k(though i have it set to 3800) and they slowly open(they dont slam open or anything) when i rev it up past 4k and they remain open till i drop below. i was driving today and it was like driving a new car. even found the pervios owner (like 4 owners down) and he said my engine is brand new from the crate.(only has 35k or so on it.) made me happy now all is running and smooth. o yea and thanks for your responses
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