Standard fuel mix would be the use of 10% nitro with 10% oil R/C car fuel mix in a 1:2 ratio (33%) with a 91 octane gasoline, this will end giving you a final concentration of 3.3% nitro, 3.3% oil, 26.6% methanol and 66.6 gasoline; the recommended plug is the O.S. F plug or Hobby People's Four stroke and big bore engine plug (less expensive $5.49 and works just like the F plug)