12-31-2013, 07:07 AM
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#1
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Registered User
Join Date: May 2011
Location: weehawken nj
Posts: 240
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Whats needed to convert from E-gas to non E-gas
I want to convert to a mechanical throttle setup on my 2000 boxster with traction control, so what else is needed? Here's a list so far. By the way, I have a 2.7 intake manifold and computer attached to a 3.4 996 engine ( hard to explain, but I made the manifold fit )
97-99 Non E-gas engine harness
98-99 DME ( and a reflash )
996 intake manifold
Accelerator pedal
I know the traction control wont work, which is a good thing, but will it affect the ABS?
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12-31-2013, 08:04 AM
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#2
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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Why didn't you use the 3.4 manifolds and why are you trying to convert?
__________________
996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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12-31-2013, 09:13 AM
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#3
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Registered User
Join Date: May 2011
Location: weehawken nj
Posts: 240
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Quote:
Originally Posted by JAAY
Why didn't you use the 3.4 manifolds and why are you trying to convert?
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I didnt realize how much power I was missing out on with the 2.7 intake manifold, didnt want to lower my engine 1.5", and wanted to keep the wiring and installation simple, which has done so far for 2 years and 25k trouble free miles. Now I realize how much power I left on the table ( I estimate im only making 265-270hp ) and I want more.
As for the conversion, I dont know if I can use the 2.7 DME and properly tune the 3.4 engine, I sent a few emails to some tuning companies and everyone shrugged their shoulders at me. I was thinking about installing the DME that came with the 3.4 engine ( which is non Egas ) to make everything simple. Is there a way to use my existing DME and flash it as a 3.4 Egas? I wouldnt mind keeping the Egas setup if I could.
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01-01-2014, 05:04 AM
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#4
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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Get a 3.4 engine program and put the right manifolds on it. Buy a used 987 engine cover and put the motor at stock height. All will work as stock
__________________
996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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01-01-2014, 01:29 PM
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#5
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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What he said..
after that: Flash it with a stock 01 3.4 tune (they were the only year of fly-by wire was on the 3.4) anyone with a PSTII or Piwis can do this for you.
The 2.7/3.2 intake was too small for the 2.7/3.2 engine.. 
B
__________________
Engine Builds, Transmission Builds, Engine Conversions, Suspension Installs, Suspension Tuning, Driver Coaching, Data Acquisition, Video, SCCA/PCA/POC/NASA/GRAND AM/ALMS.
We have worked with amateur and professional drivers for over 26 years. In house machinist, In house fabrication. Our cars, our parts, our engines, our transmission's run nationwide at events every weekend. We work side by side with industry names developing parts.
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01-02-2014, 10:25 AM
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#6
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Registered User
Join Date: May 2011
Location: weehawken nj
Posts: 240
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Ok I'm going to stay with Egas then. Does anyone know if I use the same throttle when I swap the manifold over? Or is it a 996 specific part?
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01-02-2014, 01:19 PM
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#7
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Registered User
Join Date: Feb 2010
Location: Dallas, TX
Posts: 164
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Quote:
Originally Posted by Bigsmoothlee
Ok I'm going to stay with Egas then. Does anyone know if I use the same throttle when I swap the manifold over? Or is it a 996 specific part?
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You need the 3.4L throttle body. The 2.7L would be a smaller diamerter.
__________________
1999 Boxster 3.4L
2007 BMW 328i
1992 Jeep Wrangler
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01-02-2014, 02:26 PM
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#8
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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2.7/3.2 are the same... so you **can** run this for testing, but the ideal situation would be a the 3.4. I think I use a 3.4 caymanS throttle body  ask around.. ALL the people who installed the V8Cayenne throttle body/GT3 have a stock Cayman TB sitting around
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Engine Builds, Transmission Builds, Engine Conversions, Suspension Installs, Suspension Tuning, Driver Coaching, Data Acquisition, Video, SCCA/PCA/POC/NASA/GRAND AM/ALMS.
We have worked with amateur and professional drivers for over 26 years. In house machinist, In house fabrication. Our cars, our parts, our engines, our transmission's run nationwide at events every weekend. We work side by side with industry names developing parts.
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01-03-2014, 04:42 AM
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#9
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Registered User
Join Date: May 2011
Location: weehawken nj
Posts: 240
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Is it worth it to get the whole intake manifold-T that goes with the Cayman S?
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