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Use narrow band to help tune?

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Old 03-20-2010, 11:41 AM
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Car: 1985 Z28
Engine: 305 LG4
Transmission: T5
Axle/Gears: 3.42
Use narrow band to help tune?

I am going to be putting a 1406 Edelbrock on my 1985 305. It already has an oxygen sensor bung in the exhaust up near the manifold so I was thinking about getting an inexpensive gauge from Summit to measure fuel/air mixture. I have read on here that the wide-band is a much better way to go, but I don't feel like spending all that money on a basically stock application.

Is there any benefit to putting a guage on the narrow band O2 sensor to help me fine tune my carb, or should I just tune it by the manual and leave it at that?
Old 03-20-2010, 07:51 PM
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Car: 82 Z28
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Re: Use narrow band to help tune?

NB is only calibrated to work close to stoich @ 14.7 , once you get away from that AFR the readings are useless as a tuning tool
http://www.innovatemotorsports.com/r...images/n32.jpg
A WB reads accurate from 10 -20
Old 03-21-2010, 08:05 AM
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Re: Use narrow band to help tune?

Wideband is the only way to go!
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