[Pasha Paterson]

I've improved the GIMP file above to include layers for several race series, based on some research of various car pictures, logos, official sites, etc.

• WEC 2018
  • LMP1 (#e41819/white)
    
  • LMP2 (#20558b/white)
    
  • GTE Pro (#009635/white)
    
  • GTE Am (#f28f00/white)
    
• ELMS 2018
  • LMP2 (#20558b/white)
    
  • LMP3 (#642478/white)
    
  • GTE (#f28f00/white)
    
• IMSA WeatherTech 2017+
  • P alternate (#505050/white)
    
  • P and GTLM (#c3262e/white)
    
  • GTD (#00b219/white)
    
• IMSA Porsche GT3 Cup 2018
  • Platinum (#000000/white)
    
  • Gold (#f0e90d/black)
    
• Blancpain GT3 2018
  • PRO (#ffffff/black)
    
  • PRO/AM (#000000/white)
    
  • AM (#c3262e/white)
    

Future updates:

• IMSA CTSCC (GT4, TCR, ST)
  
• Lamborghini GT3 SuperTrofeo
  
• 24h du Le Mans
  
• Bathurst 12-hour
  

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Previews of the WEC and ELMS numbers (top logo is interchangeable, and both series use the same class colors)

                   

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Previews of the IMSA plates:

                   

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Previews of the Blancpain GT3 plates: