[Diy_efi] injector advance

[Bevan Weiss]

There's only 360degrees in a full revolution.
If you're injecting 450degrees advanced, then you're injecting 120degrees
before the previous ignition event... Which just doesn't make sense.

Injection should really be timed to the closing of the intake valve as
opposed to any ignition event.
You want injection to be stopped once the valve is closed.  So the start
time will depend on how much fuel you need injected and how fast the engine
is reving.

Which injection strategy are you using? Batch or sequential


Bevan


> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org 
> [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Gianmarco 
> Rizzo (BE/EAS)
> Sent: Thursday, August 05, 2004 2:06 AM
> To: 'A list for Do-It-Yourself EFI'
> Subject: [Diy_efi] injector advance
> 
> 
> Hi all
> 
> anyone with information on what injection advance to use? i 
> am currently injecting 450 degrees prior to combustion TDC.
> 
> is there any relation with fuel evaporating at the contact of 
> the hot inlet valve?
> 
> rgds
> 
> 
> 
> gmr
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> diy_efi at diy-efi.org
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