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116 Octane leaded at the track?

580 views 6 replies 5 participants last post by  Marcus Frost 
#1 ·
Hey guys, I usually run 4-5 gallons of VP 104 unleaded at the track, mixed with about 1 gallon of 93 pump gas (leftover from the drive there).

I was thinking about a few gallons of 116 leaded next time, since it's so friggin' hot this time of year. I was just wondering if it would instantly kill my oxygen sensor, or would it take several tank fulls to kill it. I only go to the track a few times per year...it's not like I'd be running leaded gas all the time. Would a few gallons here or there be really bad for the car?
 
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