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why do you want one?

the gauges that wire into the standard narrowband sensors might aswell be used for drink holders, dont waste your money

proper afr gauges are hooked up to a wideband sensor through a controller, these are fairly expensive, which comes back to why do you want one?

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figured it wasn't just a plug and play thing...

i want one just to make sure I'm not running lean before i get to the dyno, changed to z32 afm and gonna upsize injectors before i get a new turbo. and rather than doing it all on the day and have mechanics there working on it, i'll just install the z32 and injectors beforehand.

and yes i have a NIStune ecu so it's easy to change them in the software to get the car running OK but it won't be perfect...

This is my Noobie reasoning anyway, feel free to poke holes in my plan :cheers:

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The old "Brake Dyno" is great for getting your afrs (fuel table) perfect, however to make good progress on the ignition table you'll need a dyno.. The old n00b tuner ethos of "wind up the ignition till she knocks, retard it a few degrees and she'll be right" really is very overated, although plenty of jap tuners seem to get away with decent results using this method =)

tuning myself interests me alot, I'm very new to it all and it'll be a learning experience... but without a dyno how do ya really go about it properly?
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I run an AEM wideband on my gtr. Had to weld a bung into the first pipe to do it for the bosch o2.

http://www.aemelectronics.com/wideband-air...o-gauge-kit-745

They are reasonably priced, and the controller is integrated into the gauge itself which is good. The gauge also has a 5v output to come back into a laptop for readings.

Still probably a bit wank factor-ish, but it can never harm to know that the AFR's are good when you have the foot down.

Plus it gave me something to do on a boring weekend. :cheers:

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any wideband solution is going to cost $400

if its sub $100 its junk and not wideband

if you dont know what you are doing with a wideband, then stop and dont do it

you can kill your motor if you arent careful. there is lots of documentation on wideband tuning and AFR tuning so its not something new

the consequenses if you get it very wrong howver could be burnt valves = rebuild light

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