Injectors and resistors

[Sandy]

If you want to drive Peak and hold check out the EFI332 web site for
SUBDRV.EPS for the schematic. I have a few board I might part with.

Sandy

At 11:34 PM 11/23/98 -0500, you wrote:
>
>-----Original Message-----
>From: Richard Wakeling <kojab at ar.com.au>
>To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>Date: Monday, November 23, 1998 11:25 PM
>Subject: Re: Injectors and resistors
>
>How many injectors are you driving this way, with the 10 ohms?
>Bruce
>
>
>>Hi Steve,
>> Use 10 ohm 10 watt with each 2.5 ohm injector. It will work but wont be
>>as good peek n hold. The other possiblity is to fit an extra driver to
>>the 808 and and get them to drive three injectors each peek n hold.
>>Cheers Richard.
>>
>>PS My Toyota has been running 2.2 ohm 750cc/min with 10 ohms for over
>>three years with delco 808. Idle was a bit tricky to tune.
>>
>>Steve Lamb wrote:
>>>
>>> I need the assistance of and EE......
>>>
>>> My next major project is to get an 808 ecm to drive a Nissan VG30DET
>>> engine.  This a 3L Quad Cam 24V single turbo engine.  We believe we can
>>> solve the main hardware issues to overcome (TB's and ignition system),
>but
>>> one issue remains a thorny one...low impedance injectors (6, to be
>exact).
>>>
>>> I'm reliably informed that the 808 will not drive 6 low impedance
>>> injectors.  One alternative would be to change the injectors, but this
>>> would add quite a bit to the cost.  Another possible alternative is to
>try
>>> what Nissan did with its early L-Jet based systems......use a resistor in
>>> series with each injector and thereby increase the total load (?) seen by
>>> the injector driver.
>>>
>>> Can anyone see why an 808 ecm would or wouldn't work when used in this
>way
>>> ??   I was thinking of using 6 Ohm resistors, which is what Nissan use in
>>> conjunction with their 2.5 Ohm injectors.
>>>
>>> Thanks
>>>
>>> Steve Lamb
>>> Department of Defence, DSTO
>>> Aeronautical and Maritime Research Laboratory
>>> 506 Lorimer Street
>>> Fishermans Bend  VIC 3207 Australia
>>>
>>> Tel: +61 3 9626 7525
>>> Fax: +61 3 9626 7089
>>>
>>> IZCC #180
>>
>