OK, well that killed that idea. What other gauge would be of use in a NA V8
4X4 Dak? I would like to get a dual gauge Auto Meter pod (because they are
cool!) instead of a single gauge pod and install a trans temp gauge as well
as something else that's useful to keep an eye on.
John
>Maybe I missed out on part of the discussion (sorry) but the reason
>for the bouncing is because the truck is operating in Closed loop and you
>are close to 14.7:1 where the O2 transfer function is VERY steep so even
>the exhaust pulses will cause "bouncing"
> If you are trying to determine anything tuning wise from stock O2's you
>should just give up. :) Seriously, take a look at this document I just
put
>up - it gives a good explanation with graphs as to why this will not work
well.
>http://shared.slowcar.net/o2_volts.xls
> If you want any meaningful info you need to switch to a wideband. You
>*could* possibly use the Bosch LSM-11 sensor instead, which is basically
>a refined and hand picked stock type sensor (only one nernst pump, normal
>wideband is pretty much 2 - one actually controls permeability). This
would
>work with a standard style meter, though a digital readout would be the
only
>way to do it justice. Pricey though. The other option is a NTK style
>5 wire wideband, which is what horiba, etc. use - but you need to a
controller
>circuit for one of these, there are a couple of diy-efi projects out for
this circuit
>on their homepage. (diy-efi)
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