[Diy_efi] going sequentail on a 2-stroke?

[Peter Jonasson]

Again, I am a newbie...

Could someone elaborate on ORing at a logical level? Are you referring =
to
modifying the guts of the ECU pre-FETS?=20

I suggested using steering diodes earlier (basically ORing the two =
outputs),
that being said, modify the ECU would be safer than adding the diodes,
transient suppression ...etc.

Question, can the injectors handle the higher pulse rate? i.e. 5000rpm =
in a
four stroke is 2500 pulses per minute while in a 2 stroke 5000rpm is
5000ppm.=20

Regards... Peter=20
"There are 3 types of Engineers..."
"Those that can count... and those that can't"


-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] =
On
Behalf Of bcroe at juno.com
Sent: January 27, 2004 8:14 PM
To: diy_efi at diy-efi.org
Subject: [Diy_efi] going sequentail on a 2-stroke?

Jan 04 Alexis PAVLOV <alexis.pavlov at st.com> writes:

> If the outputs are just pull-down FETs I don't see why parallel
> connection of two drivers would not work. I think Joel could try.

Well sure it MIGHT work.  Or it MIGHT put a strain on the ECU=20
that would leave you stranded somewhere without warning. =20
Feel free to gamble, but I'd examine the particular circuitry=20
very carefully first.  The ORing at the logical level is pretty=20
low risk.

Bruce Roe
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