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Leaded 108Octane...bad for S4 with Test pipes? O2 sensor concern?

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Old 07-16-2002, 07:05 PM
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Default Leaded 108Octane...bad for S4 with Test pipes? O2 sensor concern?
That's the best I can find in town within 30 miles radius.

Just wondering if that will kill my O2 sensors or it's ok?!

no worries about killing cats as i am running without them at the moment.
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Old 07-16-2002, 07:12 PM
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Default I wouldn't put leaded anything in the car
Forget your 02 sensors, lead in the gas and the rubber seals in alot of gaskets in the motor don't make for the best mix...I'd pass
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Old 07-16-2002, 07:15 PM
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one tank wont hurt.. if you run several tanks of unleaded afterwards
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Old 07-16-2002, 07:16 PM
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What about on a stock car?
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Old 07-16-2002, 07:40 PM
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Default so if I run 1/4 tank of 108 then run 3 full tanks of 93...
does it wash away all the DIRTY LEAD from the 108 i ran previously?? :-D
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Old 07-17-2002, 10:29 AM
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Correct!
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Old 07-17-2002, 10:38 AM
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Then one tank will hurt....it poisons the catalyst and kills the kitty.
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