bosch corvette O2's or AC delco O2's???
04-18-2008, 03:15 AM
#1
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bosch corvette O2's or AC delco O2's??? i need an opinion from you guys, i just got my car tuned with hp tuner, mods are in my sig...and the guy who did the tune said it would prolly be a good idea to get new O2's, was going to buy them this weekend, my car has 100,000 miles on it and the O2's have never been changed as far as i know, which ones are better? anyone have either of the two? thanks
04-18-2008, 07:49 AM
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Well the vette O2s are better cause they last longer with the heat generated by the headers. You can get either brand but I would get the 13111s if I were you
04-18-2008, 08:05 AM
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I am looking for a decent pair as well. From what I have read from all the online searching I have done, I would stay away from anything made by Bosch. It seems like the majority of those that are having O2 issues soon after putting new ones in are those who installed Bosch's. I just ordered a pair of NGK/NTK rear fbody ones, FWIW.
Seems like most recommend the stock AC's, NGK/NTK or Denso. I also read that someone found out at a SEMA show that NGK makes both Denso and AC O2's.....
Here are the O2 part numbers on fbody's and C5's:
NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
Seems like most recommend the stock AC's, NGK/NTK or Denso. I also read that someone found out at a SEMA show that NGK makes both Denso and AC O2's.....
Here are the O2 part numbers on fbody's and C5's:
NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
Last edited by JR HAWK 9; 04-18-2008 at 08:24 AM.
04-18-2008, 08:12 AM
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this is all speculation, as I have not seen any evidence that this is the truth. I have read that someone ohmed out a stock FRONT O2 and a Bosch 13111 and the stock front O2 had actually LESS resistance in the heating circuit, which means MORE power (P=V²/R).
04-18-2008, 09:10 AM
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On both of my LS1's I've had longtube headers and would go through several sets of 'stock' O2's. On both cars I switched to the longer vette O2's and had no issues ever again. As far as what brand, some people don't like the bosch O2's for some reason but I've never had any issues with them. I would say you won't go wrong with either one though.
11-20-2008, 01:42 PM
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I am looking for a decent pair as well. From what I have read from all the online searching I have done, I would stay away from anything made by Bosch. It seems like the majority of those that are having O2 issues soon after putting new ones in are those who installed Bosch's. I just ordered a pair of NGK/NTK rear fbody ones, FWIW.
Seems like most recommend the stock AC's, NGK/NTK or Denso. I also read that someone found out at a SEMA show that NGK makes both Denso and AC O2's.....
Here are the O2 part numbers on fbody's and C5's:
NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
Seems like most recommend the stock AC's, NGK/NTK or Denso. I also read that someone found out at a SEMA show that NGK makes both Denso and AC O2's.....
Here are the O2 part numbers on fbody's and C5's:
NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
My question is, which sensor has the long wire so I don't have to extend? Can I still use C5 rear sensor to put in my headers as front sensor? Or F-body rear sensor as front?
Also, will they work in LT1? I've a friend has 96 SS going to install headers too so new sensor is needed.
Thanx a million.
11-20-2008, 02:33 PM
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I am looking for a decent pair as well. From what I have read from all the online searching I have done, I would stay away from anything made by Bosch. It seems like the majority of those that are having O2 issues soon after putting new ones in are those who installed Bosch's. I just ordered a pair of NGK/NTK rear fbody ones, FWIW.
Seems like most recommend the stock AC's, NGK/NTK or Denso. I also read that someone found out at a SEMA show that NGK makes both Denso and AC O2's.....
Here are the O2 part numbers on fbody's and C5's:
NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
Seems like most recommend the stock AC's, NGK/NTK or Denso. I also read that someone found out at a SEMA show that NGK makes both Denso and AC O2's.....
Here are the O2 part numbers on fbody's and C5's:
NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
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11-22-2008, 04:26 PM
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I have BOSCH 13111 Rear Vette 02's..NO Extensions needed....3 years now...
Last edited by NHRAMAN; 11-22-2008 at 04:56 PM.
11-22-2008, 04:54 PM
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i have the 13111s and have had nothing but great things with them. i had one go out at first, but it turned out i had fouled plugs, since the new plugs and new 02 its been perfect
11-25-2008, 11:35 AM
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a little off subject, but i'm sure you guys can help me. i have Lt headers high flowcats, but i need to plug in my 02's.. i was under the car yesterday and i know i need extensions..?? but wtf. now im confused a bit.
you only need to extend the front 02's right?
PM me please, thanks fella's
you only need to extend the front 02's right?
PM me please, thanks fella's