Dart 360cc # 16500000 119cc chambers Big block chevy
2.25 Intake & 1.9 Exhaust
Lift=Valve lift while testing Previous CFM=original flow
CurrentCFM=flow after porting % Gain=flow improvement in
percent
Exhaust/Intake=Relationship between intake & exhaust flow Flowed @ 28 in.
Intake Port Test Results
Lift
Previous CFM Current CFM
% Gain Exhaust/Intake
| 0.050 | 38.3 | 45.4 | 18.5 | |
| 0.100 | 74.8 | 83.7 | 12.0 | 87.5 |
| 0.200 | 136.1 | 157.5 | 15.7 | 68.8 |
| 0.300 | 184.2 | 222.8 | 21.0 | 67.0 |
| 0.400 | 219.9 | 270.4 | 23.0 | 66.9 |
| 0.500 | 261.5 | 308.2 | 17.9 | 68.0 |
| 0.600 | 294.1 | 348.4 | 18.4 | 68.0 |
| 0.650 | 306.0 | 370.7 | 21.2 | 66.9 |
| 0.700 | 312.7 | 386.4 | 23.6 | 67.1 |
| 0.750 | 317.1 | 397.5 | 25.4 | 67.6 |
Exhaust Port Test Results
Lift
Previous CFM Current CFM
% Gain Exhaust/Intake
| 0.050 | 34.4 | 45.4 | 32.1 | |
| 0.100 | 68.5 | 73.3 | 7.0 | 87.5 |
| 0.200 | 99.5 | 108.3 | 8.9 | 68.8 |
| 0.300 | 125.2 | 149.2 | 19.2 | 67.0 |
| 0.400 | 152.5 | 180.8 | 18.6 | 66.9 |
| 0.500 | 180.8 | 209.6 | 15.9 | 68.0 |
| 0.600 | 195.2 | 236.8 | 21.3 | 68.0 |
| 0.650 | 198.4 | 248.0 | 25.0 | 66.9 |
| 0.700 | 201.6 | 259.2 | 28.6 | 67.1 |
| 0.750 | 203.2 | 268.8 | 32.3 | 67.6 |
Work done, Ported, Flow test, Valve Job, Setup springs. $1133.00 4/01