2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 03-24-08, 09:10 PM
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Need a link to a thread (already searched)

ok, i need a link to the thread that tell you how to hook up your airpump to actuate your aux ports.... please help/..

for an s4
Old 03-24-08, 09:34 PM
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please help me
Old 03-24-08, 10:39 PM
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Interesting. the S4's ports were controlled by the Exhaust back pressure not the Air pump. What you could do is take one of the vacuum switches that go on an emissions rack and wire it to a RPM switch and connect one vacuum line to the Air pump (make sure there's a bleed off (take a T and leave one nipple open)) and the other vacuum line from the vacuum switch to your aux ports. Now here's what most people do in this situation. They go by some place and get one of those electric air pumps that come in 12V tire compressors for about 15 bucks and wire that motor to a RPM switch and connect the pump to the AUX ports. When the RPM reaches where you set it at the motor turns on and opens your ports; when your RPM's drop below the set RPM the motor turns off and the ports close.
There's no real way to have the Air Pump easily work the AUX ports unless you have an S5 NA where as the Air Pump is designed for that purpose and not much modification is necessary when you remove the emissions.
Old 03-25-08, 02:22 AM
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Originally Posted by Chris Boots
Interesting. the S4's ports were controlled by the Exhaust back pressure not the Air pump. What you could do is take one of the vacuum switches that go on an emissions rack and wire it to a RPM switch and connect one vacuum line to the Air pump (make sure there's a bleed off (take a T and leave one nipple open)) and the other vacuum line from the vacuum switch to your aux ports. Now here's what most people do in this situation. They go by some place and get one of those electric air pumps that come in 12V tire compressors for about 15 bucks and wire that motor to a RPM switch and connect the pump to the AUX ports. When the RPM reaches where you set it at the motor turns on and opens your ports; when your RPM's drop below the set RPM the motor turns off and the ports close.
There's no real way to have the Air Pump easily work the AUX ports unless you have an S5 NA where as the Air Pump is designed for that purpose and not much modification is necessary when you remove the emissions.
ok dude someone had a pic of it, it was hooked to thwe hose on that thing the air pump pumps air into... and it makes pressure at the right time
Old 03-25-08, 03:39 AM
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that would be the ACV Valve..check the Factory Service Manual.they should have Routing for Hoses..Try to find any thread by PFSANTOS on forum he has the FSM in his sig..hit that link and Search.
Old 03-25-08, 03:43 PM
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i found it, you guys suck

https://www.rx7club.com/2nd-gen-archive-72/how-air-pump-auxilary-port-activation-330310/
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