GM TBI Fuel Injector Flow Rates
Flow rate based on 12 PSI operating pressure
| Engine Liters |
CID/ Cyl |
Liters/ Cyl |
gms/sec /bank |
Lbs/hr /bank |
Lbs/hr Total |
Max HP |
Flow Cons |
Flow Cons / Liters |
| 4.3 V6 | 43.73 | 0.7168 | 5.788 | 45.94 | 91.9 | 183.7 | 181 | 252.505 |
| 5.0 | 38.23 | 0.6266 | 6.188 | 49.11 | 98.2 | 196.4 | 148 | 236.183 |
| 5.7 | 43.73 | 0.7168 | 7.759 | 61.58 | 123.2 | 246.3 | 135 | 188.362 |
| 7.4 1990- | 56.75 | 0.9300 | 10.144 | 80.51 | 161.0 | 322.0 | 134 | 144.075 |
| 7.4 1991+ | 56.75 | 0.9300 | 9.572 | 75.97 | 151.9 | 303.9 | 142 | 152.688 |