O2 sensor question

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Mar 21, 2009 | 07:18 PM

2kbluws6

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From: Racine

O2 sensor question

i need to replace an o2 sensor (b2s1) because the heater stopped working, and i was wondering if i should just get a stock one or something better? if there is such a thing. I know that bosch is about the best. if it makes any difference i do run race gas when i go to the track, sonoco 110. i was thinking i heard someone tell me a long time ago that a rear o2 from a vette was more sensitive? but i could be wrong...
thanks ahead of time

Mar 21, 2009 | 10:02 PM

69LT1Bird

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stock ones are fine, why do you run race gas? Does your engine really need it? I believe there is compounds in race gas that o2 sensors don't like.

Mar 22, 2009 | 10:29 AM

2kbluws6

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From: Racine

i do notice a constant .2-.3 of a second difference in the 1320 time.

and it smells kool

. so there is no difference in the vette rear o2 sensor vs the stock front o2?

Mar 22, 2009 | 10:46 AM

edcmat-l1

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From: Va Beach

The Vette downstream 02 has a hotter heater.

Race gas kills 02 sensors. The lead in it. I would recommend not using it at all. You shouldn't need to.