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Chevy Intake Manifold Porting - Dyno Run - The Manifold Man

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Chevy Intake Manifold Porting - The Manifold Man
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Chevy Intake Manifold Porting - The Manifold Man


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Dyno Results
410 small-block Chevrolet
SuperFlow 901 engine dyno
Tested at Westech Performance Group

Horsepower
  RPM Air-Gap Victor Jr. Super Victor
RPM Cast Ported Cast Ported Cast Ported
3,600 347 343 332 329 333 329
3,800 383 378 364 358 366 366
4,000 416 411 394 390 395 394
4,200 443 438 422 419 422 420
4,400 466 462 448 444 448 448
4,600 487 483 471 468 470 471
4,800 507 503 493 492 493 493
5,000 524 521 520 517 517 519
5,200 543 540 538 540 539 542
5,400 558 557 555 560 554 561
5,600 571 569 568 576 571 576
5,800 582 581 577 582 581 586
6,000 589 586 588 589 590 595
6,200 591 595 594 598 600 605
6,400 594 600 598 604 601 608
6,600 592 600 597 613 602 613
6,800 583 592 599 511 600 615
7,000 572 585 588 609 592 611

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