Originally Posted by
controlliner
200 ml of castor. Is this enough for a bushing engine or is this better for a ball race engine?
You can get away with 25% Castor for a PB PAW. So the brew would be 25:30:45. Say 1.5-2.0% Amsoil Cetane booster on top of that would work very well. Mostly in our club we rum the 20% Castor brew in both ballbearing and bushing engines with no ill effects.
5% Amsoil seems excessive.