By The Numbers 483ci Big-Block Chevy
Bore: 4.251 inches
Stroke: 4.250 inches
Displacement: 483 actual cubic inches
Compression ratio: 11.3:1
Camshaft: COMP Cams solid roller
Cam duration: 260/262 degrees at .050-inch tappet rise
Valve lift: .635/.635 inch
Rocker ratio: 1.7:1 ratio
Top ring: .032 inch
Second ring: .032 inch
Piston: CP forged dome
Block: Dart Big-M
Crankshaft: Scat 4340 forged
Rods: Scat 6.385-inch H-beam
Cylinder head: Brodix
Intake valve diameter: 2.25 inches
Exhaust valve diameter: 1.88 inches
Intake manifold: Edelbrock
Fuel injection: FAST XFI
Gaskets: Fel-Pro
Header: Beyea
Mufflers: Flowmaster Super 40 3-inch
Ignition: MSD 6AL
Damper: ATI
Fuel: VP100
Fuel system: Aeromotive
Fasteners: ARP
Oil: AMSOIL 10W-30
Oil pump: Melling

RPM: TQ: HP:
2,500 521 248
2,600 525 260
2,700 523 269
2,800 518 276
2,900 511 282
3,000 504 288
3,100 506 299
3,200 516 314
3,300 528 332
3,400 541 350
3,500 552 368
3,600 557 382
3,700 560 395
3,800 565 409
3,900 569 422
4,000 579 441
4,100 594 464
4,200 607 486
4,300 620 507
4,400 628 526
4,500 635 544
4,600 640 561
4,700 645 577
4,800 647 591
4,900 647 604
5,000 646 615
5,100 644 625
5,200 643 636
5,300 641 647
5,400 640 658
5,500 638 669
5,600 636 678
5,700 632 686
5,800 628 694
5,900 623 700
6,000 618 706
6,100 614 713
6,200 609 719
6,300 603 723
6,400 595 725
6,500 587 726