o2 censor on 96 bronco
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From: Blair, OK
o2 censor on 96 bronco
I have a 96 bronco and was wanting to go with true dual exhaust, it has the two cats on it and I know it has an o2 censor on the exhaust manifold, but does it have one down by the cats?? Can I run a true dual?? Or do I need to go with a dummy dual? Any way to eliminate the cats, without messing things up?? As of now, it has the stock exhaust on her, you know, with the 55 gal drum for a muffler.......thanx in advance for any help guy's....and gals.....
Kent
Kent
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From: Gateway to the West
You can run true duals on it, you just have to put a cross-over pipe in so that the third O2 sensor can be put into it to take the necessary readings from the entire exhaust system. Whether or not you can eliminate the cats is dependent upon where in the system the last O2 sensor falls. If it is downstream of the cats, it wouldn't be recommended. (Keep in mind that no matter whether you are subject to emissions testing or not, removing a functioning catalytic converter from any vehicle newer than 1995 is still a federal issue).
I haven't dealt with too many OBD-II equipped trucks so I'm not quite as familiar. I do know that the typical O2 sensor setup in these trucks consists of three sensors; 1 in each arm of the Y-pipe and 1 in the main pipe. I was always under the impression that the third sensor was downstream of the cat but I could be wrong. Either way, the cross over pipe is recommended both for the O2 sensor and for better performance. The cross over helps balance the exhaust flow from each bank of cylinders.
I haven't dealt with too many OBD-II equipped trucks so I'm not quite as familiar. I do know that the typical O2 sensor setup in these trucks consists of three sensors; 1 in each arm of the Y-pipe and 1 in the main pipe. I was always under the impression that the third sensor was downstream of the cat but I could be wrong. Either way, the cross over pipe is recommended both for the O2 sensor and for better performance. The cross over helps balance the exhaust flow from each bank of cylinders.
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From: Blair, OK
Thanx, I havent messed with changing any exhaust on anything newer except for the diesel's that I have had....didnt know how things would play out on the bronco....will have to check to see if the other one is behind the cats or not....thanx again greystreak
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That truck should have 3 sensors, 1 in each manifold or just behind them and a 3rd behind the cat. You can eliminate the rear sensor with a simple plug from RJM but the front(main) sensors must be retained for proper engine operation.
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Hotshot
Joined: Jul 2002
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From: Bend,OR
you have to run the o2 eliminator otherwise you will have issues.
i also dont recommend true duals on a bronco. because of the Tcase location you will have to make many bends to get to the back of the rig. these bends defet the purpose of running duals in the first place. I would recommend having either a custom Y pipe (2.5inch into 3" single exhaust to the muffler and then run a dual out muffler. this will give you the best gains and also give you the look out want. just make sure the tail pipes angle outwards. if you go strait out the back you will pull fumes into the cab.
i also dont recommend true duals on a bronco. because of the Tcase location you will have to make many bends to get to the back of the rig. these bends defet the purpose of running duals in the first place. I would recommend having either a custom Y pipe (2.5inch into 3" single exhaust to the muffler and then run a dual out muffler. this will give you the best gains and also give you the look out want. just make sure the tail pipes angle outwards. if you go strait out the back you will pull fumes into the cab.
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