AFS74 or Boche ZR1

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Feb 8, 2010 | 04:28 PM

aammcc

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AFS74 or Boche ZR1

Price aside, which heated 3 wire O2 sensor is the better, more accurate, better functioning one, that everyone is using in their headers, the AFS74 or the Bosche ZR1?

thanks.

Feb 11, 2010 | 11:10 PM

Orr89RocZ

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From: Pittsburgh PA

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Re: AFS74 or Boche ZR1

Cant remember my part number but i do believe it was the Bosch one for a corvette, just didnt know it was a ZR1

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