Simple fuel ratio question

[JimZaremski]

When a nitro fuel is listed as 50% or whatever nitro, is that 50% of the overall mix or 50% of the non-oil portion?

 

[Tom Foley]

Should be by Volume . 128 OZ per gallon so 64 OZ of nitro X % oil , balance is Methanol .

 

[JimZaremski]

Thank you sir