 Dialed-in on the dyno, this...  Dialed-in on the dyno, this simple combination produced an easy 579 hp. Torque hit hard at 500 lb-ft at 3,000 rpm and didn't let go, peaking at 545 lb-ft and maintaining over the 500 lb-ft mark for virtually the entire rpm range. |  While it may not be as sexy...  While it may not be as sexy as a tall single-plane manifold, the Edelbrock Performer RPM Air-Gap makes stout street torque, and allows for hood clearance once the engine is put to use. |  Topped with an 800-cfm annular...  Topped with an 800-cfm annular Mighty Demon carb, and dressed with an MSD HEI and wires, a PRW aluminum water pump, and a set of Dart cast aluminum valve covers, our 454 looked like a serious street hero. |
On The Dyno
468-inch Ironman big-block Chevy 2-inch long-tube test headers DTS Engine Dyno Tested at Speed-O-Motive
| RPM | TQ | HP |
| 3,000 | 502 | 286 |
| 3,200 | 523 | 318 |
| 3,400 | 532 | 344 |
| 3,600 | 536 | 367 |
| 3,800 | 541 | 392 |
| 4,000 | 543 | 413 |
| 4,200 | 545 | 435 |
| 4,400 | 538 | 451 |
| 4,600 | 536 | 469 |
| 4,800 | 535 | 489 |
| 5,000 | 529 | 504 |
| 5,200 | 527 | 522 |
| 5,400 | 523 | 538 |
| 5,600 | 519 | 554 |
| 5,800 | 512 | 565 |
| 6,000 | 505 | 577 |
| 6,200 | 490 | 579 |
| 6,400 | 472 | 575 |