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Home » Racing Fuels » Racing Fuel Technical Bulletins

Racing Gasoline Vapor Lock
What Contributes & Prevents Vapor Lock?

THINGS THAT CONTRIBUTE TO VAPOR LOCK:

  • High Fuel Temperature (130 degrees F & above can be a problem)
  • Long Suction Lines
  • Restrictions in suction line (fittings and filters)
  • Hot Soaks
  • Lines passing high heat areas
  • Caution periods

THINGS THAT PREVENT VAPOR LOCK:

  • Cooler gasoline temps (100 degrees F or less is ideal)
  • Shorter (is better) suction lines
  • Eliminate sharp 90 degrees fittings
  • Eliminate filters in suction line
  • Insulate lines in high heat areas

 

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