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Tactrix Boost Control Solenoid (Plug-n-Play for Mitsu)

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Old Aug 8, 2008 | 11:22 PM
  #106  
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I have no clue... I couldn't get the laptop mounted secure enough in the car to keep it working lol

On the street with my 100oct settings I would typically see a spike of 28.x then 24.5-25.3 around 7500 rpm.

I would do this same thing with my MBC then at the track I'd see 24/25psi... I'd turn it up and up and up and get maybe 26psi. EBC has me up to the 29.8psi but I have no clue what rpm/gear it came from

I'm using the FP 17 or 18psi actuator with a Forge DV (red spring 2 shims it stalls the car some it's so stiff).

I wish I had more data to share
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Old Aug 12, 2008 | 03:46 PM
  #107  
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mb offtopic, but I'll ask.

What you guys think, will GM 3 port solenoid work with my fp red? I mean, fp red announced to produce more cold air than fp green. So I can push more boost, and I want to get it all when I need (I plan to do a full build motor).
On the road race I can be happy with 22psi, but on drag I need to support 30 psi.
What peak boost GM 3 port solenoid can hold? Any data on FP green as example?
Previous I was happy on the street\road race with #62.5 pill, but not happy at all on the drag. Now I think what will work for me better, GM 3 port \ MBC \ EBC. Or maybe just #5x pill ? GM cost less than EBC x10
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Old Aug 12, 2008 | 04:09 PM
  #108  
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I don't think you'll have any issues with 30psi. Now 35-38psi I'd be curious if it and the Tatrix will support that and maybe more.
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Old Aug 12, 2008 | 05:38 PM
  #109  
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I ran 33psi peak on my green with around 75% wgdc with a GM 3 port.
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Old Aug 12, 2008 | 05:43 PM
  #110  
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Originally Posted by razorlab
I ran 33psi peak on my green with around 75% wgdc with a GM 3 port.
If you had red, will you keep GM 3port ?
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Old Aug 12, 2008 | 05:55 PM
  #111  
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Originally Posted by Darwinn
If you had red, will you keep GM 3port ?
I will indeed, it works great.
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Old Aug 13, 2008 | 10:41 AM
  #112  
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If you are maxing out your table to 100% for race gas why don't you just freewheel? Pull the line to the WGA and plug it!
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Old Aug 13, 2008 | 11:44 AM
  #113  
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Originally Posted by fostytou
If you are maxing out your table to 100% for race gas why don't you just freewheel? Pull the line to the WGA and plug it!
I plan on doing that Friday

I'm having a brain fart today due to lack of sleep. Wouldn't that keep the WG closed? I think I'm backwards.

Last edited by justchil; Aug 13, 2008 at 11:53 AM.
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Old Aug 13, 2008 | 01:36 PM
  #114  
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Originally Posted by fostytou
If you are maxing out your table to 100% for race gas why don't you just freewheel? Pull the line to the WGA and plug it!

Yup this can easy kill engine
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Old Aug 13, 2008 | 01:54 PM
  #115  
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From: Charleston, WV
I wouldn't recommend it at the street... but at the track I don't see why not with 112/116 in the tank
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Old Aug 18, 2008 | 04:11 PM
  #116  
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I installed my Tactrix boost solenoid this past weekend. The install went pretty smooth thanks to the plug-n-play harness. I took pics during the install and will be happy to post them up if anyone is interested. Thanks to Bryan (razorlab), for the ProdriveBCS_3port diagram that he posted. That is the only instruction I used to figure out what lines went where.

As far as performance.... I will have to compare with my previous logs to find out if boost is coming on any sooner. I WAS able to hold about 2PSI more boost at redline compared to my old map though. Power was about the same as I toned down my timing a bit while playing with the graphing feature in ECUFlash. (curse you Jack_of_Trades!!! )

Overall, my experience with the Tactrix unit is a positive one. I would recommend it to anyone who likes easy and plug-n-play installs.

- Josh
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Old Aug 20, 2008 | 06:27 AM
  #117  
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Hey! I have stock euro evo8 and i installed 3-port solenoid, my boost gauge shows 24psi and holds to 22psi at redline, load calc peak is 265, thats close what i want to run but i need 100% WGDC to get this? Whats wrong?
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Old Aug 20, 2008 | 07:59 AM
  #118  
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As far as performance.... I will have to compare with my previous logs to find out if boost is coming on any sooner.
Let me know what your logs say, I would be curious to know how much sooner (rpms) if at all your car hits peak boost.
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Old Aug 20, 2008 | 08:26 AM
  #119  
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Originally Posted by bärtil
Hey! I have stock euro evo8 and i installed 3-port solenoid, my boost gauge shows 24psi and holds to 22psi at redline, load calc peak is 265, thats close what i want to run but i need 100% WGDC to get this? Whats wrong?
Are you correctly using the wastegate duty cycle table in combination with error correction and load targets?

Are you using interrupt or bleed? Did you leave the pills in your lines if you are using bleed-type?

If you are, then your problem is too small of a turbo
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Old Aug 20, 2008 | 08:44 AM
  #120  
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From: NNJ
Originally Posted by fostytou
Really, I'm not joking when I say that the plug I'm talking about is the _EXACT_ plug you are looking for. Here, I even dug up the links for you:

https://www.evolutionm.net/forums/sh...6&postcount=52
https://www.evolutionm.net/forums/sh...2&postcount=53
https://www.evolutionm.net/forums/sh...&postcount=253

They are plentiful and cheap and are a perfect, exact, OE match if you are willing to spend 5 min hacking it.
very delayed response I know, but anyway thanks for this info. I did in fact track down a couple of these at a local junkyard for $5 for the pair. I cut the tops of them off last night and I will solder the connections on tonight.
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