North American Turbocoupe Organization



Questions about afr gauge
Daniel T Offline
Junior Member
#1
Trying to find some answers but can quiet find them, 
My Tbird has a narrowband but dont work its a very old Faze brand, if I get a wideband does it goes hooked up the same place as the one it has? 
-Can I use the sensor it has right now if i buy one that dont have the sensor?
-will the afr gauge and sensor change the air and fuel ratio automaticly?
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Jeff K Offline
Administrator
#2
Stock 02 sensor is a narrow band sensor. A wideband sensor is completely different and works using completely different chemistry. Wideband sensors are more sensitive to excessive heat than narrow band, and must be located 2 or so feet from the turbo in the downpipe. If you put a WB sensor in the turbo elbow it wont last long without a heat sink. Most, if not all WB controllers have a NB emulator so you can use the WB sensor to NB emulator signal as an input to the PCM. WB sensors run around $100 each compared to $30 or so fo
a stock NB sensor.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Daniel T Offline
Junior Member
#3
(06-22-2020, 10:27 PM)Jeff K Wrote: Stock 02 sensor is a narrow band sensor. A wideband sensor is completely different and works using completely different chemistry.  Wideband sensors are more sensitive to excessive heat than narrow band, and must be located 2 or so feet from the turbo in the downpipe. If you put a WB sensor in the turbo elbow it wont last long without a heat sink. Most, if not all WB controllers have a NB emulator so you can use the WB sensor to NB emulator signal as an input to the PCM. WB sensors run around $100 each compared to $30 or so fo
a stock NB sensor.
Thank you so much Mr. Jeff, now I know what to do.
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Kuch Offline
Senior Member
#4
Yeah, Daniel, like Jeff said, the elbow is not a good place for a WB. I put mine in the down pipe about 20" from the elbow, ish. It sits in the horizontal section.
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof,  T3/T4 50 trim, ported E6, 255LPH, BBK AFPR, 3" DP dual 2.5" w Hooker Maxflows, MGW shifter, K&N, Gillis valve, RR cam
1964 Ford Galaxie 500XL, 390 6V, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 3 Speed, slow and low
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Jeff K Offline
Administrator
#5
^^^ same place I put mine. Also WB sensor should be located with the sensor end pointing more or less down. THis ahs something to do with not letting condensation collect in the sensor.

WIdeband kits (I have the Innovate Motorsports WB with LSU 4.2 sensor) come with a bung to mount the sensor. I just took my 3" DP off, used a hole saw to cut a hole in the top of the straight horizontal part of the DP, welded the bung in, and put the DP back on. Found a rubber plug near the top of the firewall on the pass side to run the wiring thru, Routed the harness in back of the heater box and to the gauge.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
Reply

Daniel T Offline
Junior Member
#6
Thanks again Jeff and Kuch!!, Ill b ordering a 3" DP and Mid pipe and then a afr gauge soon,
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Kuch Offline
Senior Member
#7
(06-25-2020, 04:15 PM)Daniel T Wrote: Thanks again Jeff and Kuch!!, Ill b ordering a 3" DP and Mid pipe and then a afr gauge soon,
Sure thing Daniel. The W/B was a great investment, especially when messing with different turbos or boost levels. I went with an autometer like this one as it was one of the only ones I found that had an actual needle to watch. I didn't like the usual ones that have the LED number and a bouncing AFR circle. Plus this matches my other Autometer gauges in my center panel. But this is just my opinion, any W/B will be useful.
https://www.autometer.com/2-1-16-analog-...-comp.html
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof,  T3/T4 50 trim, ported E6, 255LPH, BBK AFPR, 3" DP dual 2.5" w Hooker Maxflows, MGW shifter, K&N, Gillis valve, RR cam
1964 Ford Galaxie 500XL, 390 6V, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 3 Speed, slow and low
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