[Diy_efi] idle control strategy for SD systems w/o bypass air control?

rr rrauscher at nni.com
Mon Aug 26 14:41:06 GMT 2002


Vary the ignition timing. 

If man built it, man can crack it.

BobR.

On 24 Aug 2002 19:10:29 -0700
 Jerry Wills <jswills at attbi.com> wrote:
> A lot of DIY and I suspect some aftermarket EFI systems
> have no 
> bypass air control. So how do you get a smooth idle at
> your
> chosen RPM? I know, adjust the injector timing, But on
> what 
> do you base your decisions, and how fine grain do you
> need
> to be, and what do you decide?
> 
> Two reasons I brought this up. One is purely self
> motivated,
> as I have a motorcycle engine with ND (uncrackable)
> injection,
> and I want to replace it without losing its great, always
> starts,
> rain or shine, and very stable idle.
> The other reason is that I sarched thru the archives and
> didn't
> come up with much, yet it seems like a problem all DIYers
> will
> face, and even those aftermarket folks as well.
> 
> let the laughing begin,
> 
>                         Jerry Wills
> 
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