Even when I was wrenching on these and other Euro cars for a living, the
injection system never was an issue requiring further investigation.  I've
never had a problem with Digifant...or L-Jet for that matter.  CIS on the
other hand, that always had its issues...and D-Jet, fuhgetaboutit

On Mon, Apr 6, 2009 at 9:36 PM, Scott Daniel - Turbovans <
scottdaniel@turbovans.com> wrote:

> wow, that's saying something .........
> if you consider it toke-worthy to have discovered after all this time that
> it doesn't matter which injector wire you plug onto which injector on a
> waterboxer vanagon engine.
> You can also see it in the wiring diagrams,
> for example on page 97.106...........
> it shows one white wire connecting pin 12 of the ECU to all four injectors.
> As long as we know they don't digitize or 'can-bus' 4 signals  on that one
> wire ( which they don't of course ) ....it shows right there that the ECU
> fires the 4 injectors as one big injector.  And it does it by supplying
> ground to them to energize them, like one big four-part injector.
>
> and it would be shocking to think something worked one way for 20 years,
> only to discover after all that time it's different than you thought !
> Welcome to 2009 - lol !    :-)
> Scott
> www.turbovans.com
>
>
> ----- Original Message ----- From: "Zeitgeist" <gruengeist@GMAIL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Monday, April 06, 2009 9:15 PM
> Subject: Re: Sequential vs batch RE: digifant injection
>
>
>
>  Ya know, I've been tinkering with these beasties for over twenty years,
>> and
>> this is the first I've heard of L-Jet and Digifant being "batch-fire"
>> injected...so, does that mean that you could swap the injection plugs
>> between cylinders and there'd be no difference?  Wow, that's
>> mind-boggling.
>> It's like you've exposed Santa, the easter bunny and Area 51 all at
>> once...I'm deflated.  I need a drink...or a toke...damn
>>
>> On Mon, Apr 6, 2009 at 9:05 PM, pdooley <psdooley@verizon.net> wrote:
>>
>>  Even with sequential fuel injection, intake valve opening events happen
>>> so
>>> fast that by 2-3k rpm the injector is spraying part of the fuel on closed
>>> intake valves anyway.  The fuel just doesn't have that much time to pool.
>>>
>>> Sequential is good for emissions and improves economy slightly.  If you
>>> spend much time in traffic or light cruise, this may be a good upgrade.
>>>
>>> For max power, a batch fire system is just as good as sequential.
>>>
>>>
>> --
>> Casey
>> '87 300TD
>> '94 100CSQ Avant
>> '89 Bluestar
>>
>
>

--
Casey
'87 300TD
'94 100CSQ Avant
'89 Bluestar