[Diy_efi] Siamese intake ports

[William Shurvinton]

I have a problem with Dave's analysis on that, as it would still appear that
robbing will occur. I intend to get some clairification from him on it one
day. In the mean time, there is an interesting analysis on
www.planet.eon.net/~chichm/efi/siamese.htm . I don't fully concur with the
conclusions that Marcel comes to on this, but a good primer none the less.

Bill
----- Original Message -----
From: "Adam Wade" <espresso_doppio at yahoo.com>
>
> In his excellent book "Engine Management: Optimising
> carburettors, fuel injection and ignition systems",
> Dave Walker discusses this very issue.
>
> The solution he found to work was to double the
> injector firing rate, and halve the amount of fuel
> delivered in each pulse.  So instead of the injector
> firing every 360 crank degrees, he has it firing every
> 180, but half as much volume each time.  That keeps
> one cylinder from robbing the fuel destined for the
> other, in practice, apparently.
>



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