o2 sensor?

Thanks. so in anybodys experance say if you run leaded fuel all of the time how long do you think it will last? thanks again
 
I have run about 30 gallons of leaded 110 thru mine and it still seems to be fine. The last AC Delco lasted 3 passes and crapped out.
 
Thanks for all of the info. Just wanted to find out before the race fuel distroys my O2 sensor. Thanks again
 
caspers electronics sells a heated 02 sensor kit thats pretty nice. it will get you into closed loop faster and is less prone to fouling by leaded gas.
 
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