Question about o2 simulators
Thread Starter
Staging Lane
Joined: Oct 2011
Posts: 51
Likes: 0
Question about o2 simulators Hello, ive got a 96 z28 I just got some pacesetter ceramic longtubes and a y-pipe. I have everything to install them gaskets, locking header fasteners, collector gaskets ect. im going to put a glasspack on the end of the y-pipe with a turn down. I bought some weld on o2 bungs and im thinking of buying o2 simulators which are spacers from innovative performance and customs. I dont know anyone who will do a tune for me to get rid of the codes it will throw, I live in Cali and this setups definitely gonna be loud and illegal, im just wondering if these simulators work and if they do where is the best place to weld the o2 bungs to get the best temperature readings?
TECH Fanatic
Joined: Jan 2004
Posts: 1,157
Likes: 1
From: Kingfisher Oklahoma
For the front O2s I would put them in the collector of the header. Yes O2 sims will work fine for the rear O2 sensors, you may have some random misfire and such alarms come along for the headers making noise etc.
Forget the O2 sims....contact Ion at Madtuner. Your car will benefit from an ECM reflash. The sims will cost about as much as a reprogram.
I had a similar dilemma...I'm glad I decided to go with Ion. BTW - in NJ, we use a similar Motor Vehicle inspection process as you. The computer appears stock to the state's equipment, does not throw a code, and does not illuminate the check engine light. However, putting an O2 sim may cause you to fail upon a visual inspection.
Also - you better make sure the headers have a CARB EO number on them. In NJ, the visual inspection requires headers to be labeled as such.
I had a similar dilemma...I'm glad I decided to go with Ion. BTW - in NJ, we use a similar Motor Vehicle inspection process as you. The computer appears stock to the state's equipment, does not throw a code, and does not illuminate the check engine light. However, putting an O2 sim may cause you to fail upon a visual inspection.
Also - you better make sure the headers have a CARB EO number on them. In NJ, the visual inspection requires headers to be labeled as such.
Thread Starter
Staging Lane
Joined: Oct 2011
Posts: 51
Likes: 0
the longtubes I have already have bungs for the front o2's, the o2 sims im looking at for the rear are only $25 for a pack of two. I think i'll just weld some bungs at the end of the y pipe and screw them in, if the car ends up throwing a code ill think about how to get the ecm programmed. As for the carb number on the headers idk, one guy told me he took a carb no. off some ca legal headers and welded it to his longtubes and he passed inspection no questions asked.
On The Tree
Joined: May 2012
Posts: 101
Likes: 0
From: Keller, TX
Have you considered something like...
http://www.o2simulator.com/index.php...948a835302470d
May save you some welding and I'm genuinely curious to know if anyone is using them!
http://www.o2simulator.com/index.php...948a835302470d
May save you some welding and I'm genuinely curious to know if anyone is using them!
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