Jimi: I was talking about having one "control" the mixture ;)
If you're sure your WB sensor is reasonably fresh and not fouled from rich mixtures by all means it's a good tuning tool on the road.
There isn't one...
The narrow band 02 is performing a different job with the stock ECU than a WB02.
NB trims the AF's under cruise to keep it as close as possible to stoich and this is why when the 02 dies you lose economy.
WB makes a needle move of pretty lights flash ;)
(Or drives a...
The 2 numbers on the pic are from the rail to the plate and then from the rail to the screen NOT the gap to the pan!
Grab a pan tip it over lay a piece of steel across the rails then measure from the floor of the pan to the bottom of the steel.
Subtract this from 150mm and that's the gap...
Gay self quote:
They're just a gauge/tool and I'm not sure I'd trust one to handle the tune/adjust it anyway as they're not 100% reliable even under ideal conditions.
When I did the new pickup for the GrpA pan I extended it so the screen just touched the floor this way the screen tray is just sitting into the lower labyrinth.
Mainly to make up for the trend in the past to run tight AR's and mismatched Compressor/Turbine sections.
Tighter the AR the larger the WG has to be to control shaft speed.
A perfectly matched Compressor/Turbine and Motor would have no need for a WG at all as long as it wasn't required to...
A 6 probe EGT setup would work ok but be expensive and complicated Joel.
The WB will show a lean condition but during a hard pull the damage will already be done by the time your brain registers it....
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