RCU Forums - View Single Post - UMS Evolution Radial Care and Operation
Old 11-16-2019 | 12:22 PM
  #2435  
Maxam
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Originally Posted by GIJon
I bought ums pre-mixed fuel from Ritches Brew at Perry last year. It has 9% synthetic. I have some blendzall racing Castor. How much would I add to my gallon of Ritches brew to bring it up to the 20% as last recommended?
Add 2.5 oz of castor. -Tom