On The Dyno

412ci Small-Block Mopar
RPM: TQ: HP:
3,500 535 356
3,600 543 372
3,700 548 386
3,800 548 397
3,900 544 404
4,000 538 410
4,100 538 420
4,200 547 437
4,300 554 454
4,400 556 465
4,500 561 481
4,600 580 508
4,700 597 534
4,800 609 556
4,900 616 575
5,000 621 591
5,100 622 604
5,200 623 617
5,300 624 630
5,400 624 642
5,500 625 654
5,600 624 665
5,700 622 675
5,800 620 684
5,900 617 693
6,000 613 701
6,100 609 707
6,200 604 713
6,300 600 719
6,400 594 724
6,500 588 728
6,600 583 733
6,700 578 737
6,800 572 741
6,900 566 743
7,000 560 746
7,100 553 748
7,200 547 749
7,300 539 749
7,400 531 748
7,500 522 746

By The Numbers 412ci Small Block Mopar

Bore: 4.180 inches
Stroke: 3.747 inches
Displacement: 412 actual cubic inches
Compression ratio: 14.5:1
Camshaft: Predator solid roller
Cam duration: 255/285 degrees at .050-inch tappet rise
Valve lift: .780/.780 inch
Rocker ratio: OEM 1.8 ratio
Top ring: .031 inch
Second ring: .031 inch
Oil ring: 3mm
Piston: Wiseco
Block: Mopar Performance R3
Crankshaft: LA Enterprises
Rods: Carrillo 6-inch
Cylinder head: Mopar Performance W8
Intake valve diameter: 2.18 inches
Exhaust valve diameter: 1.60 inches
Intake manifold: Mopar Performance
Carburetor: Holley Dominator modified by CFM
Ignition: MSD Digital 6
Damper: ATI
Oil: AMSOIL Synthetic 10W-30
Fuel: VP Fuels Q16
Gaskets: Fel-Pro