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restrictor pill?

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Old 03-08-12, 08:51 PM
  #26
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Originally Posted by MIDNFauciUSN View Post
So I just finished my seats, and now I'm on this. Are you talking about "teeing" into one of the 3 ports on the front of the UIM, right before the TB?
Guess I'm going to experiment...
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Old 03-12-12, 09:01 PM
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any luck with your experiment MIDNFauciUSN i wanna move my hose too.
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Old 03-15-12, 08:15 PM
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nope, but I should have a bit of free time this weekend.
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Old 04-15-12, 10:31 AM
  #29
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Originally Posted by etinman1 View Post
any luck with your experiment MIDNFauciUSN i wanna move my hose too.
I finally got around to doing this. No luck. Beside the fact that my MAP sensor readings were significantly off, anytime I hit boost the car would instantly jerk (bog down), then proceed. I'm going to keep playing around though.
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Old 04-18-12, 08:31 PM
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instead of teeing into the line and capping the original one off, I think I'm going to try swapping them (extending the solenoid's line).
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Old 04-20-12, 09:49 PM
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Result - great! Just swap them, dont "tee" into it. I used the top vacuum port on the front of the throttle body BTW.
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Old 06-16-16, 09:18 PM
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Using some longer tubing, I did the swap between:

-Top-front throttle body line that goes to the top of the vacuum spider rack
-Boost sensor line

The signal is a bit smoother under boost. Everywhere else, it's either equally noisy, or possibly more noisy. Response time seems to be the same. I don't consider the swap mod to be critically beneficial.
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Old 06-21-16, 08:06 PM
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I added a restrictor pill at the boost sensor, and the signal is now smooth and excellent. The pulsations are about 20% of what they were.

I made the pill out of a vacuum plug using a needle, but I'd guess that it is 0.5mm.
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Old 06-21-16, 08:25 PM
  #34
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Originally Posted by MIDNFauciUSN View Post
Autozone and Advance have the "pill" for less than 3 bucks... go get one! Its where (duh) all of the vacuum crap is.
I wish I had known that..now I am a DAD..lol!..(Hell no..just kidding!)

I'm still a Wankel guy at heart but Ya..workin on "the alternative".
Like Rtek still though!
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