[Diy_efi] Donegan ECU

[Carter Shore]

On 207-01-08 Mike <niche at iinet.net.au> wrote:

> mmmm, Think I'd prefer (from a control systems
> perspective) a fuel pump controller geared to engine
> speed (say 8 speeds) with a PWM fuel pressure
> regulator
> (proportional valve type) close to the fuel rail in
> a classical
> return system - my educated gut feeling is that this
> would
> be rather more stable than a PWM driven fuel pump
> and
> dead end piping... 

When you say 'geared to', do you mean mechanically
coupled?

No rules that say the pressure pump can't be close to,
or right next to, the fuel rail. In fact, for
retrofitting, that can make things easier. That
eliminates the 'dead end piping' issue.

Carter

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