Re: BPW and Cylinder Vol.?

[Shannen Durphey <shannen@grolen.com>]

I can imagine lots of chips to get things right.  What are you using
for logging?
Shannen

Squash wrote:
> 
> I've been trying this method (14.7, CL, tune from int/blm).  It can be done to rough in the ve
> tables, but it seems that the integrator is slower to respond than I first thought.  I got my
> tables roughed in and disabled CL per suggestions.  After about one day of driving, logging,
> burning, I had really good tables.
> 
> I suggest the OL method after my experiences over the last couple of weeks.  The difference to me
> is the speed of the feedback, the O2 sensor is instant reading of lean/rich.
> 
> YMMV
> 
> Squash
> 
> --- Shannen Durphey <shannen@grolen.com> wrote:
> > Funny what you can find by reading through old mail...
> > So you're disabling CL and watching the O2 values to determine
> > rich/lean?
> > How about Roger Heflin's suggestion to set 14.7 AFR and leave CL
> > enabled, using BL and INT as guidelines?
> > Shannen
> >
> > rrauscher@nni.com wrote:
> > >
> > > To force open loop, set the enable temp to the max value. For
> > > tuning the VE tables, also set the open loop afr ratio to 14.7.
> > >
> > > On the '747 there are two tables to change, one for the afr
> > > vs. temp., and the other is afr vs. map. In this manner, you
> > > can then 'discover' what the ve is at each point in the table.
> > >
> > > This is really tuning in reverse, but hey, it works <g>.
> > >
> > > BobR.
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> 
> =====
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> 
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