[Diy_efi] RE: Diy_efi digest, Vol 1 #488 - 13 msgs

[Mike]

At 09:30 AM 1/8/03 +1100, you wrote:
>Yes, it adjusts between 5MPa and 12MPa (50-120 BAR) dependent on the
>pressure control valve.

Interesting, is this valve under ECU control or dedicated module,
 PWM type etc?

thanks

rgds

mike



>
>
>
>Message: 6
>Date: Tue, 07 Jan 2003 14:14:10
>To: diy_efi at diy-efi.org
From: Mike <erazmus at iinet.net.au>
>Subject: [Diy_efi] New BMW 760, fuel pressure, direct inject
>Reply-To: diy_efi at diy-efi.org
>
>Hi Chaps,
>
>Just curious if anyone knows the fuel pressure/injector rail
>pressure the new BMW 760 operates at - as its direct injection
>it cant do the batch fire thing and would need quite a higher
>pressure to squirt the same amount of fuel at the correct
>time or would it have so much higher a flowrate, then theres
>the compromise of head geometry to fit the injector,
>
>I've heard rumours some big truck/movers diesels run as high
>as 20,000psi direct inject pressures <phew>
>
>
>
>
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