Originally Posted by Quad Racer 34

i was wondering what percent of lubricaton O donnell 20% fuel has because i switched to Byrons 20% with 12% lubrication and it runs a lot different and is harder to tune than the o donnell. but if the o donnell is 9% or 10% i will switch to to Byrons 20% with 9% lubrication. so anyone know about the O Donnell fuel?