[Diy_efi] VTEC solenoid driving, dual throttle butterflies in individual throttle bodies

[glogovacs at yahoo.co.uk]

Hello,

I would like to install Weber Marelli IAW
injection/ignition control ECU on friend's 1.6 VTEC DOHC
engine (used exclusively in racing). The project is in its
early stage, which could have been titled: discussing
possibilities.

Now, there is a question how to control VTEC solenoid. I
have a few drivers available from IAW, one can do PWM
control, the others are basically binary (but can be driven
from firmware to do what is neccessary). I am interested
how could I use these?

On the intake side we are thinking of using Suzuki GSXR
1000 throttle bodies. A question that arrises here is
whether or not to use the model with dual butterflies,
anyone having expirience with this?

All the best,
Nick

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