[Diy_efi] Changing the fuel and spark on a Porsche

[Brian MacKay]

I agree 100%.  My current car is a Grand National so I am used to tuning
under boost conditions.  I cannot fathom why my normally intelligent friend
wants to do this.  He must not value his time at all.

Brian

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
Behalf Of Gianmarco Rizzo (BE/EAS)
Sent: October 25, 2004 6:14 AM
To: 'A list for Do-It-Yourself EFI'
Subject: RE: [Diy_efi] Changing the fuel and spark on a Porsche


Hi Brian

fitting a turbocharger without EFI adaptations will end up in a blown engine
very very quickly

i dont' know what ECU the car uses but i'd recommend using a aftermarket
programmable EFI for best (and safe) results

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
Behalf Of Brian MacKay
Sent: Samstag, 23. Oktober 2004 03:48
To: diy_efi at diy-efi.org
Subject: [Diy_efi] Changing the fuel and spark on a Porsche


I have a friend to races a Porsche and while he knows a lot about cars, he
knows nothing about the guts of his EFI.  He insists on making major
mechanical changes to the engine and doesn't consider the fact that the
computer won't necessarily make good corrections.  He plans to turbo charge
the car and is assuming everything will be fine without modifying the
computer.

My background is that I regularly modify code and look up tables in my GM
ECM but I know nothing about Porsche stuff, like what processor is used,
does it use EPROMS, etc.  The car is a 1992 Porsche 968 therefore OBD-I.
Can anyone point me to any references or websites where I can learn more and
hopefully prevent him from blowing up another engine!

Thanks,

Brian

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