3rd Generation Specific Talk about 3rd gen RX-7's here.

Profec B Or Powerfc Boost Control Kit?

Old Jan 21, 2004 | 01:39 AM
  #11  
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If you plan on boosting over 17psi you will need the 3bar map sensor that comes in the boost control kit, or a gm 3bar. PFC boost control is very simple, not like the AVCR. They just both use the same solenoid. So AVCR boost control solenoid for $150 and a 3bar map sensor for $70 and you can control boost on the pfc up until about 30 psi.
Old Jan 21, 2004 | 12:29 PM
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Originally Posted by jspecracer7' date='Jan 21 2004, 01:12 AM
If you purchase the AVC-R solenoid, it will plug into the stock wiring harness and the power FC can control boost with that. That's what all the Power FC/Japan users use. It cost me $150~.



As a stand alone boost controller though...you can't beat the Profec B.
So I just get the AVC-R solenoid and a 3bar... and I can control the boost with the PFC commander? Hmm.. That almost sounds TOO EASY..



Any links where to buy?



Thanks!
Old Jan 22, 2004 | 04:23 PM
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Bump..



Just interested where the best place to buy this stizzuff is.



I can get the new Profec for REAL cheap, but with this I don't have another damn gadget in my car to **** with..
Old Jan 22, 2004 | 05:02 PM
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nice signature
Old Jan 22, 2004 | 05:48 PM
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Some place called Motorsports Dynamic in CA has the map sensor for $69. Here is a link to the "other" forum where they talk about it.





http://www.rx7club.com/showthread.ph...hreadid=246657
Old Jan 22, 2004 | 09:39 PM
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BLITZ SBC-ID BEST I HAVE USED!!!!
Old Jan 24, 2004 | 07:45 AM
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Profec-B is bullet proof
Old Jan 26, 2004 | 10:45 PM
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justin from what ive heard the PFC is inconsistant at best when it comes to controlling boost. The ORIGINAL Profec B is tried, true, and simple, where some people have had issues with the Spec II. I believe its Turbonetics who also has a brand new controller out that can control boost depending on gear, rpm, engine load, etc up to 45psi If it was my money, id get the simplest thing out there that works flawlessly, so id go with the original profec B.



-Zach
Old Jan 27, 2004 | 09:35 AM
  #19  
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Originally Posted by boostdfd3s' date='Jan 26 2004, 10:45 PM
justin from what ive heard the PFC is inconsistant at best when it comes to controlling boost. The ORIGINAL Profec B is tried, true, and simple, where some people have had issues with the Spec II. I believe its Turbonetics who also has a brand new controller out that can control boost depending on gear, rpm, engine load, etc up to 45psi If it was my money, id get the simplest thing out there that works flawlessly, so id go with the original profec B.



-Zach
That's the plan. Thanks for the info man!



J
Old Jan 27, 2004 | 06:10 PM
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Originally Posted by boostdfd3s' date='Jan 27 2004, 01:45 PM
justin from what ive heard the PFC is inconsistant at best when it comes to controlling boost. The ORIGINAL Profec B is tried, true, and simple, where some people have had issues with the Spec II. I believe its Turbonetics who also has a brand new controller out that can control boost depending on gear, rpm, engine load, etc up to 45psi If it was my money, id get the simplest thing out there that works flawlessly, so id go with the original profec B.



-Zach
Every pfc that does not control boost correctly that I have ever seen has been hooked up wrong. It is important to use the correct sized hoses. -6 (8 pi) from the piping right after the compressor to the side of the wg, -4 (6pi) from right after the compressor to the solenoid and -4 from the solenoid to the top of the wg. It is important that you don't "T" the source, you have tap into the piping twice. If you do this you will get very accurate boost control, not have an extra box to screw with or the wiring that goes with it. The original Profec B does work very nicely though, if you have to go with something else.

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