09-17-2012, 06:17 PM
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#1
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Registered User
Join Date: Mar 2011
Location: Pennsylvania
Posts: 6
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ECU flash and fuel pressure regulator
I have a 2000 Boxster S which recently had an engine failure. I got an (excellent) new engine built by Jake Raby at Flat 6 Enterprises, with displacement bumped up to 3.6l, new Ims, and other upgrades for reliability. I have a cold air intake, IPD intake plenum with 74mm throttle body, and secondary cat bypass. I am planning on installing a complete Fabspeed exhaust system with headers and sport cats this fall, mostly for the sound... 
Previous to the engine failure, with the cold air intake and cat bypass pipes installed I purchased a Softronics flash, which also worked quite well. Now I have a couple of questions:
When I get the new exhaust system, with the displacement change and all the intake mods, will I benefit from a new flash? Likewise, will I benefit from an adjustable fuel pressure regulator, or can my stock injectors and pressure flow all of the fuel I need to make full use of the mods?
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09-18-2012, 03:45 AM
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#2
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Registered User
Join Date: Sep 2010
Location: SML, VA
Posts: 18
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I would call the guys at Softronics and ask them or Jake.
__________________
Eddie
PCA National Certified Instructor
Andiamo Motorsports
1989 944 S2 R - Stock except.....
2003 Boxster S ( Euro delivery ! )
1990 944 S2 sold
sponsored by PDandM.com, General Contractors.
Building the Highest Performance Homes in the SML area.
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09-19-2012, 12:53 AM
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#3
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Registered User
Join Date: Dec 2008
Location: Queensland, Australia
Posts: 1,522
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I don't believe this post!
Surely Jake Raby would be the obvious person to answer your questions....
I would have thought that the Raby 3.6 upgrade would be sufficient for most !!
__________________
2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
Last edited by Steve Tinker; 09-19-2012 at 01:03 AM.
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09-21-2012, 09:42 AM
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#4
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Registered User
Join Date: Mar 2011
Location: Pennsylvania
Posts: 6
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Quote:
Originally Posted by Steve Tinker
I don't believe this post!
Surely Jake Raby would be the obvious person to answer your questions....
I would have thought that the Raby 3.6 upgrade would be sufficient for most !!
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I have had several suggestions I contact Jake, I had been reluctant to bother a busy man who had already delivered exactly what I asked of him, but will take the suggestion.
I do really like the engine, but what is this "sufficient" concept?.....
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09-21-2012, 07:20 PM
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#5
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Engine Surgeon
Join Date: Aug 2008
Location: Cleveland GA USA
Posts: 2,425
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Lyle, Definitely talk to us about this as it will impact the warranty on your engine. I have strong feelings concerning ECU enhancements with our engines and we find that the optimized packages really don't benefit from the ECU work. I have seen way too many negative impacts from ECU tuning.
Its been 3 years since we flashed an ECU, with my internal designs it simply isn't needed, nor is it beneficial in our research.
I'm back from my 7,000 mile R&D trip to Canada so shoot me an email.
__________________
Jake Raby/www.flat6innovations.com
IMS Solution/ Faultless Tool Inventor
US Patent 8,992,089 &
US Patent 9,416,697
Developer of The IMS Retrofit Procedure- M96/ M97 Specialist
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10-01-2012, 11:55 AM
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#6
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Registered User
Join Date: Sep 2009
Location: toronto
Posts: 2,668
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I have the 986 3.2 Softronic flash.....what negatives have you seen with this tune?
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986 00S
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10-01-2012, 12:52 PM
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#7
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Registered User
Join Date: Apr 2012
Location: Riverside, CA
Posts: 1,665
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Just out of curiosity how is the displacement increased from 3.2L to 3.6L?
New Crank/pistons/rods/valves etc on the 3.2 engine or by getting a 3.6 engine?
Do all the engine electronics have to be changed out, computer, sensors etc.
__________________
"It broke because it wants to be Upgraded  "
2012 Porsche Performance Driving School - SanDiego region
2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP,
Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)
Last edited by jb92563; 10-01-2012 at 12:54 PM.
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10-02-2012, 06:40 AM
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#8
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Registered User
Join Date: Apr 2010
Location: Canada
Posts: 3,128
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hey jaykay - when does the rev limiter cut in with your new tune, and is it a hard or soft limit?
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10-02-2012, 10:31 AM
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#9
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Registered User
Join Date: Sep 2009
Location: toronto
Posts: 2,668
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I have yet to bounce off of it as yet. I am not sure what you mean by hard or soft....I would assume it maybe slightly higher with ignition cut out just like the old traction control.
Thinking about it now I think I have always had wheel spin and high revs at the same time so not sure....how the rev limiter behaves. The traction control cuts the ignition or so it sounds
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986 00S
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10-16-2012, 07:50 PM
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#10
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Registered User
Join Date: Mar 2011
Location: Pennsylvania
Posts: 6
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Quote:
Originally Posted by jb92563
Just out of curiosity how is the displacement increased from 3.2L to 3.6L?
New Crank/pistons/rods/valves etc on the 3.2 engine or by getting a 3.6 engine?
Do all the engine electronics have to be changed out, computer, sensors etc.
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The cylinder liners are replaced using the appropriate L&N nickies product, Flat 6 can build one up to 4.0 litres. Check them out, they have a real good reputation and I found them excellent to work with.
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10-17-2012, 07:24 AM
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#11
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Registered User
Join Date: Apr 2012
Location: Riverside, CA
Posts: 1,665
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New liners....cool.
Liners, Pistons, Rods, cams?, throttle body, ECU flash.
Probably not as expensive as a whole new engine and the wiring/computer can stay the same.
There is no substitute for displacement and you can never have too much power.
Nice!!!!
__________________
"It broke because it wants to be Upgraded "
2012 Porsche Performance Driving School - SanDiego region
2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP,
Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)
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10-29-2012, 07:40 PM
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#12
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Registered User
Join Date: Sep 2011
Location: Reno, NV
Posts: 148
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Quote:
Originally Posted by jaykay
I have the 986 3.2 Softronic flash.....what negatives have you seen with this tune?
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I'd be curious to an answer to this as i just ordered my Softronic tune for my S. Have you seen any drawbacks on yours? I finally removed my air restrictor's and decided it was time for the upgrade to take advantage of my mods.
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11-21-2012, 10:57 AM
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#13
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Registered User
Join Date: Sep 2009
Location: toronto
Posts: 2,668
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I haven't experienced any noticeable drawbacks. With my by-pass exhaust I started to get more snap crackle and pop.
Generally I felt more liveliness at 4k and above along with better fuel econ. There won't be any earth shattering change; there is the learning curve.
After the learning time I do recall punching it at 4k and feeling the change....now I don't notice much
....have a large TB now so....there is change again
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986 00S
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