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5th/6th Port activation on S5

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Old 07-28-04, 12:38 PM
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Bird Dog

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5th/6th Port activation on S5

I looked in the archives, I searched but I was unable to find what I was looking for so please don't flame me. I am going to be removing the cats from my 90 GTU and I need to know how to get my 5th/6th ports activated with the decrease in backpressure. Thanks for the help.
dave
Old 07-28-04, 12:48 PM
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an S5 uses air pressure fromt he air pump to operate the six ports. Its controlled by a solenoid on the rack... i THINK its the top left solenoid if you are leaning over the drivers fender. So.... Don't remove your air pump.
Old 07-28-04, 01:41 PM
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Exactly...
Old 07-28-04, 04:01 PM
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your ports will still work if u get freeflow.
Old 07-28-04, 07:53 PM
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Bird Dog

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Thanks,
I couldn't remember which series was run off the airpump.
Old 07-28-04, 11:40 PM
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Angry

my 5th port is ticking(the one by the firewall), what does this mean? my hesitation is coming back(4000 rpm's). Do i need to replace it?

the shaft goin into the engine is shakey, can move it with fingers!! help me too please, what do i do?
Old 07-29-04, 12:32 AM
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I've got a S5 with a straight pipe and it runs great so go for it. Just leave your air pump.
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