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Motor Oil, Racing Oil vs Passenger Car Motor Oil (PCMO)

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Cameron Evans of Red Line has raced ChumpCar, he's also great and answering questions about what oil to use.  When 4CGM started out we ran the Red Line 15-50 Passenger car oil but after talking to Cameron we switched to the 40 weight race oil (really a 10w40) and now we see oil temps 20-25 degrees cooler than before. 


We've used Red Line since day one in racing, last year we put 5000 race miles on the car and we get virtually zero oil usage (less than a quart in 16 hours of racing).  It really is great stuff. 


Here's a great explanation from Cameron on race oil vs passenger car oil. 



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