Level 4 engine dyno testing results
Roller Lifter Cam 494
| RPM | Torque | HP | BSFC | Fuel lbs/hr | Air SCFM | A/F Ratio | Water Temp |
| 4500 | 664.6 | 569.5 | .410 | 221.1 | 633.2 | 13.11 | 162 |
| 4600 | 668.8 | 585.8 | .417 | 231.1 | 642.4 | 12.73 | 162 |
| 4700 | 670.9 | 600.4 | .409 | 232.6 | 664.4 | 13.08 | 162 |
| 4800 | 677.7 | 619.4 | .407 | 238.7 | 691.3 | 13.26 | 162 |
| 4900 | 670.9 | 630.9 | .409 | 244.7 | 703.8 | 13.16 | 162 |
| 5000 | 675.8 | 643.4 | .419 | 250.2 | 718.8 | 13.15 | 162 |
| 5100 | 675.2 | 655.6 | .415 | 257.8 | 732.6 | 13.01 | 162 |
| 5200 | 672.3 | 665.6 | .411 | 259.3 | 747.9 | 13.20 | 162 |
| 5300 | 667.3 | 673.4 | .416 | 265.4 | 758.1 | 13.08 | 162 |
| 5400 | 665.3 | 684.1 | .417 | 270.4 | 770.4 | 13.04 | 162 |
| 5500 | 661.4 | 692.6 | .420 | 275.7 | 785.2 | 13.04 | 162 |
| 5600 | 651.9 | 695.1 | .437 | 287.5 | 796.8 | 12.69 | 162 |
| 5700 | 652.1 | 707.7 | .434 | 290.6 | 821.4 | 12.94 | 162 |
| 5800 | 652.2 | 720.2 | .422 | 287.8 | 839.5 | 13.35 | 162 |
| 5900 | 646.7 | 726.5 | .441 | 302.9 | 857.0 | 12.95 | 162 |
| 6000 | 641.3 | 732.6 | .442 | 306.0 | 868.7 | 13.00 | 162 |
| 6100 | 631.0 | 732.9 | .454 | 314.9 | 891.1 | 12.95 | 162 |
| 6200 | 617.9 | 729.4 | .449 | 309.8 | 898.6 | 13.28 | 162 |
| Averages 4500-6200 | 659.4 | 670.3 | .424 | 269.2 | 767.8 | 13.06 | 162 |
As Tested:
Level 4 Race motor, as listed on Spec page
494ci, 12.5-1 compression
TA Roller Camshaft- 260/266 @ .050 duration 684/700 lift 110 LC Installed at 108* IC
Compare this test to the 494 Solid lifter cam test, if your wondering what a Roller cam is worth in power. It should be noted that the carb in both these tests is a bit on the lean side, but it's worse with this cam. Expect to see maybe 5 more HP with the carb jetted up.
Click here to see the final numbers achieved with this cam.