1. 

   88V6Celi Well-Known Member

   Has anyone used leaded high octane race gas, like C10? Does it wreck the O2 sensor?
   
   If it doesn’t rain this Friday, I want to take my car to the drag strip and test the difference between 97 pump gas and 110 race gas, but don’t want to wreck the O2 sensors. My friend runs it in his 5.0 Mustang when he auto-cross races it and doesn’t have any problems.

    

   88V6Celi, May 28, 2008

   #1
2. 

   Mafix Owner Staff Member Administrator Donated!

   YEP. fried my o2s. you can use motorsport unleaded 100 octane.

    

   Mafix, May 28, 2008

   #2
3. 

   rye Well-Known Member Donated!

   mafix your signature looks sweet on my laptop haha

    

   rye, May 28, 2008

   #3
4. 

   88V6Celi Well-Known Member

   Thanks. That's what I figured.
   
   The cost difference for only 3 octane is not really worth it.

    

   88V6Celi, May 28, 2008

   #4

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