3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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The Purple Box (PFS)

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Old 01-25-02 | 04:39 PM
  #2  
Johnny's Avatar
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Joined: Feb 2001
Posts: 1,291
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From: Pleasanton,California
I had it for 2 years... I like it.. The PFC is better but at the time it was pretty cool. My car is much smoother with the PFC..but the EFI box can make just as much power and has a broader knowledge base of users
Old 01-25-02 | 07:17 PM
  #3  
Sidestick's Avatar
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Joined: Jul 2001
Posts: 359
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From: Ft. Lauderdale
Yes, I took out about -20% at idle.
Old 01-25-02 | 09:36 PM
  #4  
silver93's Avatar
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Joined: Mar 2001
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From: winston-salem, nc
yes, many people find that they come rich from PFS. Basically its to keep you safe until you can get it properly tuned. you are probably backfiring a lot and have a nice black exhaust tip!

like sidestick says, some people take out as much as 20% at idle, and many in the PT settings take some out .

my advice, make adjustments slowly over time -
Old 01-26-02 | 10:48 PM
  #5  
sbrx7's Avatar
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Joined: Aug 2001
Posts: 261
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From: SC
DYNO DYNO DYNO. Take you car to a dyno with a wideband, and make your adjustments there. The cockpit of an RX-7 can be a busy place, no place to be watching the cars gauges, your PFS readout and your rearview for cops. I tend to agree, they are cautiously rich, though all cars are different. I have more mods than should be allowed by common thought, with no fuel added in.

Your results may vary!

Steve Bertok
94 MB touring lotsa mods, 319 RWHP@14 psi on a 90k mile engine.
Old 01-28-02 | 10:23 AM
  #6  
Fd3BOOST's Avatar
Recovering Milkaholic
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From: Budds Creek, Maryland
Talking

Come on ryan you your pfc is money you just dont like it because peters name is on it. By the way how many miles you put on that new engine, lucky bastard.
BRING THE NOISE BABY!!
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