[Diy_efi] Newbie ? refined

[rr]

The WOT injector DC for every engine combo is
different. Why don't you either datalog or measure
the DC of the combo in question. Then you will know.

Of course larger injectors are always an option too.

BobR.


bob limo wrote:
> 
> I originally posted: ">Do you guys know if the wide
> open throttle on most
> >production sports cars is at the maximum duty cycle
> of
> >the injectors, or do most manufacturers have some
> head
> >room in the injectors like 20% more room?"
> 
> The reason for the ? was that I was thinking about a
> way to just turn on the injectors 100% at wide open
> throttle and run a little nitrous oxide as close to
> stoichimetric as possible.  Problems are: 1) some on
> this list say duty cycles are at max in general and
> some say they are not. If there is headroom then in
> theory you haev more fuel capacity to prevent a lean
> burn. 2) events are happening so fast that are all the
> injectors really spraying all the time at WOT anyway?
> Things aren't really that sequential so I don't think
> it matters if I dump fuel for those short times 100%
> thru all injectors? 3)Does wiring up injectors that
> way cause any bad feedback to ECU?  It is a real
> hassle to figure out how to nitrous a dry manifold,
> with minimal effort,  never ment to flow a wet
> mixture.  I may end up fining that the headroom left
> in stock injectors is so little that Nitrous just does
> not work well this way.
> 
> __________________________________________________

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