NITROUS OXIDE GENERAL &
TECHNICAL INFORMATION
Technical Information CLICK HERE
Tuning Combinations CLICK HERE
NOS Q & A CLICK HERE
Suggested Baseline Tuning Combinations
NOTE: All systems require a minimum flowing fuel pressure of 5.5 - 6 psi;
6-7 psi for Fogger systems on V-8s.
Cheater System
| EXTRA HP |
JETTING N2O/FUEL |
FUEL OCTANE (R+M/2) |
IGNITION TIMING |
SPARK PLUG HEAT RANGE |
|
100 HP |
.047/.053 |
92+ pump gas |
2-4° retard |
Standard |
|
125 HP |
.055/.061 |
92+ pump gas w/octane booster |
2-4° retard |
Standard to 1 step colder |
|
150 HP |
.063/.071 |
100+ pump gas w/octane booster or 100+ racing gas |
4-6° retard |
1 to 2 steps colder |
|
180 HP |
.073/.082 |
105 octane racing gas |
4-6° retard |
2 to 3 steps colder |
|
210 HP |
.082/.091 |
110+ octane, .74 or higher specific gravity, racing gas |
6-8° retard |
3 to 4 steps colder |
|
250 HP |
.093/.102 |
110+ octane, .74 or higher specific gravity, racing gas |
8-10° retard |
3 to 4 steps colder |
..Big Shot System
| EXTRA HP |
JETTING N2O/FUEL |
FUEL OCTANE (R+M/2) |
IGNITION TIMING |
SPARK PLUG HEAT RANGE |
|
175 HP |
.073/.082 |
92+ pump gas w/octane booster or 100+ racing gas |
4-6° retard |
1 to 2 steps colder |
|
225 HP |
.082/.091 |
92+ pump gas w/octane booster or 100+ racing gas |
6-8° retard |
1 to 2 steps colder |
|
275 HP |
.093/.102 |
105 octane racing gas |
8-10° retard |
2 to 3 steps colder |
|
325 HP |
.102/.110 |
110+ octane, .74 or higher specific gravity, racing gas |
10-12° retard |
3 to 4 steps colder |
|
350+ HP |
.120/.116 |
110+ octane, .74 or higher specific gravity, racing gas |
12°+ retard |
3 to 4 steps colder |
..Pro Shot or Pro Race Fogger Systems
| EXTRA HP |
JETTING N2O/FUEL |
FUEL OCTANE (R+M/2) |
IGNITION TIMING |
SPARK PLUG HEAT RANGE |
|
100 HP |
.018/.018 |
92+ pump gas |
2-4° retard |
Standard |
|
125 HP |
.020/.020 |
92+ pump gas w/octane booster |
2-4° retard |
Standard to 1 step colder |
|
150 HP |
.022/.022 |
92+ pump gas w/octane booster or 100+ racing gas |
4-6° retard |
1 to 2 steps colder |
|
175 HP |
.024/.024 |
105 octane racing gas |
4-6° retard |
2 to 3 steps colder |
|
250 HP |
.028/.028 |
110+ octane, .74 or higher specific gravity, racing gas |
6-8° retard |
3 to 4 steps colder |
|
300 HP |
.032/.032 |
110+ octane, .74 or higher specific gravity, racing gas |
8-10° retard |
3 to 4 steps colder |
|
350 HP |
.036/.036 |
110+ octane, .74 or higher specific gravity, racing gas |
10-12° retard |
3 to 4 steps colder |
|
400 HP |
.040/.040 |
110+ octane, .74 or higher specific gravity, racing gas |
12°+ retard |
3 to 4 steps colder |
|
500 HP |
.042/.042 |
110+ octane, .74 or higher specific gravity, racing gas |
12°+ retard |
3 to 4 steps colder |