Thread: Yellow Plugs after nitrous run?
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Old 07-17-2009, 01:53 AM
  #4  
TS1955
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Join Date: Aug 2007
Location: Lost Creek, WV
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The yellow tint is from sulfur dioxide. It is a chemical put in "RACE" grade NOS. That is what seperates it from the medical grade.

TS1955
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