3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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1/4 mile times...

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Old Mar 31, 2003 | 08:59 PM
  #1  
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1/4 mile times...

Does anyone know what the quater mile time will be on a 93 auto.
Thank you
Ben
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Old Mar 31, 2003 | 09:06 PM
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From: Greenwood, SC
Stock Auto 14.5
Stock 5sp 13.9
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Old Mar 31, 2003 | 09:10 PM
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Ouch, damn umm would and gredy intake and a BOV be a help with that or should save and do soething else.
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Old Mar 31, 2003 | 09:14 PM
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bov will hurt u if your stock since its richens when shifting.
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Old Mar 31, 2003 | 09:37 PM
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rynberg's Avatar
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Originally posted by tk5dan
bov will hurt u if your stock since its richens when shifting.
WTF are you talking about? A BOV simply releases excess boost when the throttle is closed under boost.
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Old Mar 31, 2003 | 09:56 PM
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lmao....

93redA,

A BOV is not going to increase any performance. The intake will increase performance. However, if you haven't installed a downpipe yet, that is the best bang for the buck performance increase (as well as reliability) modification to start with....
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Old Mar 31, 2003 | 10:05 PM
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Originally posted by rynberg
WTF are you talking about? A BOV simply releases excess boost when the throttle is closed under boost.
lol,,, a bov hurts peroformance b/c you waste your money not buying a single turbo.
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Old Mar 31, 2003 | 10:08 PM
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Why do people give advice on things they have no idea about??

The intake will not provide any significant improvements on your quarter mile time. Don't take my word for it, put it on and run till the car pukes, you'll see what I'm talking about. Better exhaust system will provide marginal improvement. Depending on your goal, lowering your drag time requires major increase in power and it's going to be costly.
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Old Mar 31, 2003 | 10:13 PM
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intake does provide significant improvements....however you really need downpipe/catback to really get the full effect. intake/downpipe would be your best bet, rather than a BOV
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Old Apr 1, 2003 | 12:39 AM
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sell your auto and get a manual, that's the easiest way to be faster.
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Old Apr 1, 2003 | 01:12 AM
  #11  
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I agree with ttb
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Old Apr 1, 2003 | 01:29 AM
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Originally posted by rynberg
WTF are you talking about? A BOV simply releases excess boost when the throttle is closed under boost.
If you run an open BOV instead of routing it back into the intake, it will richen the fuel between shifts. Now if you vent the BOV back to the factory location it will cause no effect, good or bad. But people that want that Psshst sound will actually run rich between shifts. That is what I remeber from my GSX days...since the MAP sensor does not recognize the BOV being open atmosphere it releases more fuel to compensate. So I feel he could be right...unless RX7's are not like DSM's and how they use the MAP sensors.
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Old Apr 1, 2003 | 01:36 AM
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RX7s have a speed density FI system (no flow measurement), so you can dump all the air you want without screwing up the mixture.

DSMs have a MAF sensor that measures flow, and will run rich if you dump some metered air.

-Max
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Old Apr 1, 2003 | 01:37 AM
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From: San Lorenzo, California
Originally posted by lane_change
If you run an open BOV instead of routing it back into the intake, it will richen the fuel between shifts. Now if you vent the BOV back to the factory location it will cause no effect, good or bad. But people that want that Psshst sound will actually run rich between shifts. That is what I remeber from my GSX days...since the MAP sensor does not recognize the BOV being open atmosphere it releases more fuel to compensate. So I feel he could be right...unless RX7's are not like DSM's and how they use the MAP sensors.
I can see how the ecu could do that if you vented a BOV, but I can't see how running slightly rich for the 1/2 second it takes to shift a manual car will have any effect on 1/4 mile times. He has an auto anyway, for which the ecu retards engine power during shifts for smoother shifting and tranny reliability.

Thanks for pointing that out though.
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Old Apr 1, 2003 | 01:40 AM
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Originally posted by maxcooper
RX7s have a speed density FI system (no flow measurement), so you can dump all the air you want without screwing up the mixture.

DSMs have a MAF sensor that measures flow, and will run rich if you dump some metered air.

-Max
Cool....I wasn't 100% sure but I do know on the DSM's that my car would always run rich between shifts.
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Old Apr 1, 2003 | 08:27 AM
  #16  
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This thread is funny.



93REDA, check your private messages.
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Old Apr 1, 2003 | 12:49 PM
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save about 2k and get level 10 to "beef" up your auto and put a hurst shifter on it and you should be faster then a 5-speed... or atleast pretty close...
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Old Apr 1, 2003 | 03:18 PM
  #18  
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From: San Luis Obispo, Ca
Originally posted by Trexthe3rd
Why do people give advice on things they have no idea about??

The intake will not provide any significant improvements on your quarter mile time. Don't take my word for it, put it on and run till the car pukes, you'll see what I'm talking about. Better exhaust system will provide marginal improvement. Depending on your goal, lowering your drag time requires major increase in power and it's going to be costly.
Anything that increases power will lower your times, including just an intake. Add DP, CB, & ECU and you will get even better numbers.

For times under 12...........that's major work.
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