Super Powershot
100 HP .047/.053 92+ pump gas Standard to 2 degree retard Standard
125 HP .055/.061 92+ pump gas w/octane booster 2-4 degree retard Std to 1 step colder
150 HP .063/.071 92+ pump gas w/octane booster or 100+racing gas 4-6 degree retard 1 to 2 steps colder
175 HP .073/.082 105 octane racing gas 6-8 degree retard 2 to 3 steps colder
Cheater System
100 HP .047/.053 92+ pump gas 2-4 degree retard Standard
125 HP .055/.061 92+ pump gas w/octane booster 2-4 degree retard Std to 1 step colder
150 HP .063/.071 100+ pump gas w/octane booster or 100+racing gas 4-6 degree retard 1 to 2 steps colder
180 HP .073/.082 105 octane racing gas 4-6 degree retard 2 to 3 steps colder
210 HP .082/.091 110+ octane, .74 or higher specific gravity, racing gas 6-8 degree retard 3 to 4 steps colder
250 HP .093/.102 110+ octane, .74 or higher specific gravity, racing gas 8-10 degree retard 3 to 4 steps colder