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Import Killer Part 2: 925 hp From 454 Ci Engine - Tech

DYNO RESULTS
454 H.O. 454 H.O. 454 H.O. 454 H.O.
Crane HR Crane HR Victor Jr. Crane SR
454 H.O. Victor Jr. Crane SR Victor Jr. AFR heads
Stock GM heads AFR heads AFR heads Vortech
RPM HP TQ HP TQ HP TQ HP TQ HP TQ
3,500 332 499 342 514 357 536 ND ND ND ND
4,000 381 500 404 530 423 555 425 543 ND ND
4,500 416 485 459 535 492 573 481 561 724 621
5,000 451 474 500 526 551 578 549 577 722 758
5,500 470 450 532 508 590 563 615 586 804 768
6,000 452 396 504 541 605 529 650 569 864 756
6,500 ND ND ND ND ND ND 659 532 918 742
Peak 471 501 533 538 606 581 661 586 926 769
RPM 5,500 3,800 5,800 4,400 6,100 4,800 6,400 5,500 6,700 5,300
Change - - +62 +37 +73 +43 +55 +5 +265 +183
Average 404 471 440 510 517 555 575 565 806 750
RPM Range 3,000–6,100 3,000–6,100 3,500–6,300 4,100–6,600 4,500–6,800
Change - - +36 +39 +46 +45 +58 +10 +231 +185

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