
| Engine: | Harbor Freight Predator 224cc, Tillotson 224cc |
|---|---|
| Recommended Class: | Extreme Modified |
| Target (MAX) RPM: | 8500-9000 |
| Spring Pressure (In / Ex): | 36 lbs |
| Valve Lash (In/Ex): | .003" |
| Ignition Timing: | 36 Deg BTDC |
| Intake | Exhaust | |
|---|---|---|
| Open: | 51.6 BTDC | 94.0 BBDC |
| Close: | 93.5 ABDC | 54.8 ATDC |
| Lift: | .3555" | .3555" |
| C/L: | 108.0 ATDC | 108.0 BTDC |
| DUR @ 50: | 254.3 Deg | 254.5 Deg |