turbospoolin23
Joined:
Jan 2007
Canada,AB
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I just got an A/F guage( autometer 3375) and was wondering if someone could tell me the best way to hook it up. It has 3 wires a black, red, and purple. My oxygen sensor also has three wires. The car is an 87 turbo coupe. Thanx.
87 TC 5 spd... 17X9 Cobra R's, .60/.63 SVO T3 Turbo, Large NPR, Manual Boost Controller, AEM Wideband, BPV, K&N Cone, Walbro 255, Kirban AFPR, 3G Alternator Conversion, Short Throw Shifter, Stinger 3" Exhaust, Magnaflow Catalytic Converter & Muffler.
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Steve B
Joined:
Sep 2004
Wayland, Michigan
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red to +12
Black to ground
purple to O2 sensor. I had 2 whites and a black from the O2 sensor. Pretty sure I connected the purple wire to the black one. Someone please correct me if I am wrong.
Steve
1988 TC 5 Speed, Med Red, 60/48 T3, 24 PSI, Ranger Cam, Mallory 2 Step, 3" Dual Exhaust, FMIC w/ Forge BOV
Current Best 14.5 @ 93.64
My Car
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turbospoolin23
Joined:
Jan 2007
Canada,AB
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Okay thanx steve. My oxygen sensor has 3 wires, someone also told me that it's better to hook into the wiring harness? How would i do this, what's the best way for me to hook up that purple wire?
87 TC 5 spd... 17X9 Cobra R's, .60/.63 SVO T3 Turbo, Large NPR, Manual Boost Controller, AEM Wideband, BPV, K&N Cone, Walbro 255, Kirban AFPR, 3G Alternator Conversion, Short Throw Shifter, Stinger 3" Exhaust, Magnaflow Catalytic Converter & Muffler.
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Steve B
Joined:
Sep 2004
Wayland, Michigan
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Ok after the harness my purple wire is spliced into the black with purple striped wire from the harness. I just stripped it back soldiered the purple wire on and wrapped some electrical tape around it.
Steve
1988 TC 5 Speed, Med Red, 60/48 T3, 24 PSI, Ranger Cam, Mallory 2 Step, 3" Dual Exhaust, FMIC w/ Forge BOV
Current Best 14.5 @ 93.64
My Car
More
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turbospoolin23
Joined:
Jan 2007
Canada,AB
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Thanx steve, it works great! When it's in closed loop it bounces back and forth between LEAN and the top of STOICH, it doesn't enter the RICH bars at all. When i get on her, it goes slightly RICH(1 bar green), does this sound right?
87 TC 5 spd... 17X9 Cobra R's, .60/.63 SVO T3 Turbo, Large NPR, Manual Boost Controller, AEM Wideband, BPV, K&N Cone, Walbro 255, Kirban AFPR, 3G Alternator Conversion, Short Throw Shifter, Stinger 3" Exhaust, Magnaflow Catalytic Converter & Muffler.
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turbospoolin23
Joined:
Jan 2007
Canada,AB
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Okay my A/F guage doesn't even go into rich at all when i step on it, i even turned the fuel pressure up to 44psi(with the vacuum unhooked) and nothing changed. The cars stock ihi builds boost but the car has no pull, it feels like it a N/A engine.
Any ideas?
Please!
87 TC 5 spd... 17X9 Cobra R's, .60/.63 SVO T3 Turbo, Large NPR, Manual Boost Controller, AEM Wideband, BPV, K&N Cone, Walbro 255, Kirban AFPR, 3G Alternator Conversion, Short Throw Shifter, Stinger 3" Exhaust, Magnaflow Catalytic Converter & Muffler.
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balz24
Joined:
Feb 2007
Cincinnati, OH
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I have had some similar problems where the car is building boost but I'm not getting power - I turned my fuel pressure DOWN to about 38 (from 43) and that helped - You don't want to run it too lean, but too rich is not good either, it kills power. Check your plugs for fouling too.
Balz
87 Turbo Coupe - T-3 turbo, FMIC, Stinger 3", CenterForce clutch, Hurst shifter, TurboXs boost valve, Kirban F.P. regulator & gauge, Walbro 255, Innovate LC-1 wideband, Forge BOV, AutoMeter gauges
2003 Thunderbird Roadster
1964 Ford F-100 V8 4spd
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