Buying air fuel gauge

Lethal5Oh · 05-22-2006, 12:46 PM

Im looking to buy an autometer airfuel gauge. My question is can i hook it to my factory o2 sensor with out messing up the signal to the computer or do i need to buy a o2 just for the gauge? Also would it be best to buy two or would just using one do what i need? thanks

Jeff Chambers · 05-23-2006, 06:54 AM

Unless you're getting a wide band (LC-1, PLX, etc), they're really useless. Anything outside of 14.5 to 14.9 is meaningless since it will be working from the stock narrow band sensors.

Hozer 88GTConv · 05-25-2006, 08:16 PM

Ditto on the above.
An independent wideband 02 is the only way to go if you are really interested in a gauge that actually means something.
My Anderson PMS reads what the stock 02's are reading and they have a really narrow "window". In other words, all they do is flop from lean to rich constantly.
A wideband will give you a much more linear curve to calibrate your air and fuel ratios...
good luck

05-22-2006, 12:46 PM	#1
Lethal5Oh Registered Member Join Date: Jun 2002 Location: Portage Posts: 239	Buying air fuel gauge Im looking to buy an autometer airfuel gauge. My question is can i hook it to my factory o2 sensor with out messing up the signal to the computer or do i need to buy a o2 just for the gauge? Also would it be best to buy two or would just using one do what i need? thanks __________________ '95 GT convert. K&N, C&L mass air meter, Performance distributors sreamin demon coil, dyna mod, live wires, king cobra clutch, flowmaster american thunder exhaust, UPR billet adjustable shift handle, Crane Cams Fireball HI-6 box,underdrive pullies, 255lph fuel pump, UPr short throw shifter, caster camber plates, 03 cobra lower A arms, bullit suspension, cobra front brakes

05-23-2006, 06:54 AM	#2
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	Re: Buying air fuel gauge Unless you're getting a wide band (LC-1, PLX, etc), they're really useless. Anything outside of 14.5 to 14.9 is meaningless since it will be working from the stock narrow band sensors. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"

05-25-2006, 08:16 PM	#3
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	Re: Buying air fuel gauge Ditto on the above. An independent wideband 02 is the only way to go if you are really interested in a gauge that actually means something. My Anderson PMS reads what the stock 02's are reading and they have a really narrow "window". In other words, all they do is flop from lean to rich constantly. A wideband will give you a much more linear curve to calibrate your air and fuel ratios... good luck __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy

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