Problems with my EFI setup... Injector Timing/Size

[Tony Bryant]

> Date:          Fri, 28 Mar 1997 14:19:34 -0500 (EST)
> From:          Thor Johnson <johnsont at falcon.cs.mercer.edu>
> To:            DIY EFI Maillist <diy_efi at coulomb.eng.ohio-state.edu>
> Subject:       Problems with my EFI setup... Injector Timing/Size
> Reply-to:      diy_efi at coulomb.eng.ohio-state.edu

> 
> I can't seem to lean out the EFI unit that I built for a honda CBR600 
> motorcycle.  I figurest that I would be running the duty cycles real low 
> (except on Accel), but I could still run with 20.88 (Toyota) injectors.  
> ut I run REAL reich, and any attempt to lean it out results in a kill 
> (probably trying to do too short of a pule to the unit).
> 
> Stats:
> Honda CBR600 (600cc)
> 13/15"Hg during idle
> Toyota 12 ohm 20.88 lb/hr injectors, Multiport
> Advance Auto P/N# 11020 Oxy sensor
> 
> Are my injectors just too big to work right?
> What voltage should I be looking for to stop fouling these ($7 apiece) plugs?
> 
> Thanks for the (much needed) help!

I had the exact same symptoms, when I had standard diodes instead of 
zeners across the injector (to absorb the inductive kick).


$$$ MAKE CAR FAST $$$
bryantt at psc.fp.co.nz