Injector Sizing: REALLY dumb question

[Bruce Plecan]

-----Original Message-----
From: Mike Turner <MikeTurner at kemet.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, August 26, 1998 1:41 PM
Subject: Re: Injector Sizing: REALLY dumb question


>In several very recent threads, it has been stated that drivability
>problems (usually at idle IIRC) preclude the use of large injectors for
>TPI. Yet, TBI uses one or two large injectors with generally no mention of
>such problems. Would someone please tell a dumb sparky exactly what is
>causing problems with high flow injectors in TPI and why that is not a
>problem with TBI?

TBI's have about three days time to think about vaporizing enough
to burn (since the fuel has the extra lenght of the runners to think about
vaporizing).

Also, they (TBI) fire each injector once every ignition pulse (so one with
two injectors they alternate).  While on a TPI they fire once every
fourth cylinder firing.

 Back to lurking in the shadows......with my 332
>controlled and fully instrumented CSH low over my eyes and hopefully ready
>for the impending  walls of flame.


Cheers
Bruce       What kinda instrimentation ya running, on your CSH?.
                 So far I'm just worring about o2 saturation, HOHOHAHA