[Diy_efi] timeframe to get equal fuel distribution

[Toyota Supra]

a 4th gen supra uses COP, its about $85 a coil if i remember correctly

-j






From: "Bevan Weiss" <kaizen__ at hotmail.com>
>Reply-To: List for general do-it-yourself EFI talk <diy_efi at diy-efi.org>
>To: "List for general do-it-yourself EFI talk" <diy_efi at diy-efi.org>
>Subject: Re: [Diy_efi] timeframe to get equal fuel distribution
>Date: Sun, 16 Mar 2003 16:12:22 +1200
>
>Are these just plain non-DI (direct injection) injectors??
>If that's the case you might run into problems with the injectors being
>mounted in the cylinder itself.  They may not be capable of handling the
>higher peak cylinder temperatures and very high peak cylinder pressure.
>Perhaps looking into using a actual designed DI injector would be a better
>idea.
>
>Which brings me to several questions for everyone...
>Which cars are using GDI (gasoline direct injection)??
>     (also what's the cost for the injectors?)
>And which cars are using COP (coil on plug) ignition??
>    (and again what's the cost per coil?)
>
>
>
>----- Original Message -----
From: "joeld" <joeld at ualberta.ca>
>To: <diy_efi at diy-efi.org>
>Sent: Sunday, March 16, 2003 3:37 PM
>Subject: [Diy_efi] timeframe to get equal fuel distribution
>
>
> > I have got some 670gram/min injectors that have a 60 degree cone 
>pattern.
> > We are planning on using them to inject directly into the cylinder of a
> > two-stroke. Obviously the placement on the cylinder wall will dictate 
>how
>much
> > time we have to inject fuel. What I was wondering from everyone is if 
>they
>had
> > any input as to how much time needs to be allowed for the fuel to
>adequately
> > mix with the air. The higher we can mount the injector on the wall, the
> > cleaner it will be, but we run out of time. We could easilly just add 
>more
> > injectors to make sure we get in enough fuel, but there has to be a 
>point
> > where the fuel will simply not have enough time to disperse?
> >
> > any thoughts?
> >
> > Thanks
> >
> > Joel Day
> > C.S.C 2003 Project Coordinator
> > ph: 434 9294
> > C.S.C Team Website: www.ualberta.ca/~uacsc
>
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