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11-03-2018
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#1 |
 
Join Date: Aug 2004
Location: Spring Grove ,Pa.
Posts: 256
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02 Sensor and spark plug?
My 91 had both 02 sensors reading rich. I talked with Marc Haibeck and he said I could replace the sensors if it bothered me. But I didn't ask him what brand sensors and plugs he used. I figured I would ask you guys which brands you preferred and are running.
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91 Turquoise Metallic Haibeck 525 #0134 |
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11-03-2018
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#2 |
Join Date: Apr 2017
Location: Wayne Illinois
Posts: 400
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Re: 02 Sensor and spark plug?
The ones I chose were Bosch. They work well & have not had any issues.
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[SIGPIC][/SIGPIC] 91-#1935 Black/black & gray, Haibeck 500 Cams by Pete |
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11-03-2018
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#3 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,683
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Re: 02 Sensor and spark plug?
I use the AC Delcos. The Bosch O2s drop signal randomly. Don’t trust them. The ACs are solid.
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11-03-2018
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#4 |
Join Date: Dec 2007
Location: Fremont, CA
Posts: 3,087
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Re: 02 Sensor and spark plug?
Replacing the right side,I think it’s the right side,is a total nightmare,do plenty of research before you dig in.
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11-03-2018
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#5 |
Join Date: Nov 2007
Location: Sunshine State
Posts: 1,061
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Re: 02 Sensor and spark plug?
Rock Auto Pt # 21003 Working great in my 90
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11-03-2018
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#6 |
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Join Date: Aug 2004
Location: Spring Grove ,Pa.
Posts: 256
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Re: 02 Sensor and spark plug?
Sounds good I think I will probably go with the AC's. What plugs are you guys running? So many to choose from.
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91 Turquoise Metallic Haibeck 525 #0134 |
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11-03-2018
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#7 | |
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Join Date: Nov 2014
Location: Brooklyn ny
Posts: 1,044
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Re: 02 Sensor and spark plug?
Quote:
Where you buy from? |
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11-04-2018
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#8 | |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
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Re: 02 Sensor and spark plug?
Quote:
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11-04-2018
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#9 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,683
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Re: 02 Sensor and spark plug?
Quote:
Also, I just installed a set of Autolite 3924 plugs gapped at .044”. These are “projected nose” plugs. The motor runs much smoother than w the NGKs. |
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11-04-2018
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#10 |
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Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
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Re: 02 Sensor and spark plug?
Pete put me onto the (copper) AC Delco 41-602s. They're not exotic, but because of the ease of access on the LT5, there's no need to pay for plugs made of everlasting "rare earth" material. At about $2.00 or so a plug, you can afford to replace them long before they start to show signs of wear (rounded electrode edges, gaps increasing, i.e., the usual burning up indicators.
These plugs I pulled after one season (or was it two?). Practically new condition, and the motor (stock cams) idle purrs like a kitten. |
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Linear Mode
