[Diy_efi] timeframe to get equal fuel distribution

[Adam Wade]

--- Toyota Supra <turbosupramk3 at hotmail.com> wrote:

> cylinder pressures and temps are the first things
> that come to mind, which might make it a couple of
> years back from being in f/i cars.

GDI?  Been in production cars since 1998.

> another thing to consider is that a car with f/i has
> a completely different pattern in which air enters
> the intake manifold runners and chambers, so the
> extra area/time (in reference to it spraying in the
> bottom of the intake manifold vs directly into the
> cylinder) might be needed for atomization ???

I'm not following you.

To create a high-velocity airflow into the combustion
chamber that causes the necessary airflow to move the
rich mixture to the spark plug at the right moment in
stratified charge, there is a splitter that closes off
the bottom half of the intake runner inside the head
to direct the higher-velocity air.  This opens up for
full runner use when used in homogeneous mode.

The atomization is a function of injector design and
fuel pressure more than anything else.  There is a
very limited amount of time for vaporization during
stratified charge running.


=====
| Adam Wade                       1990 Kwak Zephyr 550 (Daphne) |
|   http://y42.photos.yahoo.com/bc/espresso_doppio/lst?.dir=/   |
| "It was like an emergency ward after a great catastrophe; it  |
|   didn't matter what race or class the victims belonged to.   |
|  They were all given the same miracle drug, which was coffee. |
|   The catastrophe in this case, of course, was that the sun   |
|     had come up again."                    -Kurt Vonnegut     |

__________________________________________________
Do you Yahoo!?
Yahoo! Web Hosting - establish your business online
http://webhosting.yahoo.com

_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi