2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

5th/6th port pics

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Old Oct 17, 2007 | 06:24 AM
  #1  
bboyclo's Avatar
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From: Redmond, WA
5th/6th port pics

Ive been trying to figure out if mine are wired open or not, i've read all the threads but still cant figure it out , but anyways it help if someone has a picture of theirs from the exterior i'll post up a pic of mine tomorrow too just incase nobody has one thanks!
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Old Oct 17, 2007 | 08:04 AM
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RX7Tuner.'s Avatar
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You should be able to tell without pics. Look at the ports. Is there any wire holding them in place and preventing them from turning? If you can turn the actuators then they are not wired open.
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Old Oct 17, 2007 | 04:12 PM
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most the time whene they wire the ports open they remove the actuators so look for those if there not there and u see some wire its "wired open" if you still see those two actuators than it isnt (most likely"
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Old Oct 17, 2007 | 04:36 PM
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so if its wired open its supposed to be pushed down right?!?!
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Old Oct 17, 2007 | 07:01 PM
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On S4 engines, Yes, on S5 engines, they push up.
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Old Oct 17, 2007 | 07:48 PM
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so if i plan on taking out my air pump i have to wire them open right?
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Old Oct 17, 2007 | 09:27 PM
  #7  
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Originally Posted by bboyclo
so if i plan on taking out my air pump i have to wire them open right?
on s5's yes on s4's no
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Old Oct 17, 2007 | 10:24 PM
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open is tab down. close is tab up.
when rotate the tab down its open. when the tab is rotated up its closed.
easy as that.
when the actuators get the correct vaccume. they pull the tab down. thus rotating the sleaves open
i did not open my ports though i took off actuators. i had nice low end torque. but no gain in high end torque. i had no real obious loss of power. but it does feel different.
i still could keep up with my buddy whos ports were working properly. though when the ports are open. i thought it felt a lil sluggish off the line. so i left mine closed
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Old Oct 17, 2007 | 10:36 PM
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you will loose power with the ports not opening on top end.. alot of people say try to get them working properly. if not just wire them open keeping them shut is is like a dog humping a leg.. your really not going to get anywhere.. though it might feel alright i.e example is for fc3schick
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Old Oct 18, 2007 | 12:18 AM
  #10  
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From: Redmond, WA
yeah i wired them open with zipties earlier, got to say damn where has all that power been, back when they were closed my rpms would just crawl like a snail, now after 3800 its like non stop...thanks for the help guys
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Old Oct 18, 2007 | 02:49 AM
  #11  
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once you open a n/a up you really say wow.. thats some room for air/gas and say to yourself geez.. people drive around for years not knowing their ports arent opening its pretty major hp% increase
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