wideband afr gauge
06 June 2010, 09:50 PM
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The main benefit of a wideband is that it's genuinely accurate and will give you a specific AFR readout. If you have an AFR gauge connected to the stock O2 sensor at the moment it will only be giving you an approximation and can't read truly reliably at high load/boost levels.
Some wideband controllers provide a pseudo-narrowband output you could use to feed your ECU (thus enabling you to replace the stock sensor with the WB), but in practice it's easier just to swap them while you're tuning, or, if you are going to leave it fitted permanently, weld a second boss in so you can run the two systems completely separate.
However, all that said, IME a wideband setup only really gives you value for money if you have the facility to tune your own car. Otherwise you'll have shelled out a three figure sum for a gadget you can't really do a lot with.
Some wideband controllers provide a pseudo-narrowband output you could use to feed your ECU (thus enabling you to replace the stock sensor with the WB), but in practice it's easier just to swap them while you're tuning, or, if you are going to leave it fitted permanently, weld a second boss in so you can run the two systems completely separate.
However, all that said, IME a wideband setup only really gives you value for money if you have the facility to tune your own car. Otherwise you'll have shelled out a three figure sum for a gadget you can't really do a lot with.
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