Shaver Specialty
Torrance, CA
427ci Chevy LS

On The Dyno & Best Qualifying Pull
RPM: TQ: HP:
3,000 504 288
3,100 503 297
3,200 487 297
3,300 467 293
3,400 444 287
3,500 431 288
3,600 440 301
3,700 506 357
3,800 586 424
3,900 620 461
4,000 586 446
4,100 605 472
4,200 622 498
4,300 632 518
4,400 640 536
4,500 646 553
4,600 648 568
4,700 647 579
4,800 647 592
4,900 650 606
5,000 652 621
5,100 653 635
5,200 655 648
5,300 656 662
5,400 654 673
5,500 652 683
5,600 651 694
5,700 647 702
5,800 643 710
5,900 638 716
6,000 631 721
6,100 625 726
6,200 619 730
6,300 612 734
6,400 606 738
6,500 599 741
6,600 590 741
6,700 580 740
6,800 569 737
6,900 557 732
7,000 546 728

Qualifying score: 2,720.4
Team leader & members: Ron Shaver, Mark Engle, Tom Masek
Engine type: Chevy LS
Claimed displacement: 427ci Block: RHS
Bore x stroke: 4.125 x 4.00
Compression ratio: 11.47:1
Compression height: 1.115
Crankshaft: Scat
Engine bearings: King Engine Bearings
Connecting rod: Scat, 6.125
Connecting rod bearings: King Engine Bearings
Pistons & rings: MAHLE Clevite, Total Seal
Compression & 2nd ring: .043, .043
Camshaft: COMP Cams
Cam duration at .050: 256/260
Valve lift: 845/.845
Head gasket: Cometic, .051
Cylinder heads: RHS Pro Elite
Valves (in/ex): 2.200/1.615
Valve lifters: COMP Cams
Pushrods: Smith Bros.
Rocker arms: COMP Cams, 1.8
Engine gasket set: Fel-Pro, Cometic
Intake manifold: All-Pro
Carb: The Carb Shop
Carb spacer: HVH
Ignition system: MSD Performance
Spark plugs & wires: Bosch, NAPA
Fasteners: ARP
Flywheel: McLeod
Engine damper: Performance Race Balancer
Water pump: Meziere
Headers: Schoenfeld
Valve covers: CFI
AMSOIL oil viscosity: 5w20
Oil pump: System One Filters
Oil pan: Olson Motorsports
Mufflers: Flowmaster


RCS Racing Engines
Pittsburgh, PA
432ci Ford Cleveland

On The Dyno & Best Qualifying Pull
RPM: TQ: HP:
3,000 434 248
3,100 441 260
3,200 466 284
3,300 484 304
3,400 508 329
3,500 526 350
3,600 542 372
3,700 554 390
3,800 566 409
3,900 576 428
4,000 584 445
4,100 595 465
4,200 608 486
4,300 617 505
4,400 626 524
4,500 632 542
4,600 639 559
4,700 645 577
4,800 649 593
4,900 651 607
5,000 654 623
5,100 655 636
5,200 657 650
5,300 656 662
5,400 654 672
5,500 652 683
5,600 649 692
5,700 646 702
5,800 644 712
5,900 641 720
6,000 637 728
6,100 633 735
6,200 627 740
6,300 620 744
6,400 613 747
6,500 604 747
6,600 594 747
6,700 584 745
6,800 573 741
6,900 561 738
7,000 551 735

Qualifying score: 2,705.2
Team leader & members: Ron Stanislawczyk, Ron Stanislawczyk II, Jon McDonald, Ron Welsh, Chuck Mazzarese
Engine type: Ford Cleveland
Claimed displacement: 432 ci
Block: Ford Cleveland
Bore x stroke: 4.0215 x 4.250
Compression ratio: 11.48:1
Compression height: 1.196
Crankshaft: Scat
Engine bearings: Speed-Pro
Connecting rod: Eagle, 6.000
Connecting rod bearings: Speed-Pro
Pistons & rings: JE Pistons
Compression & 2nd ring: 1.2mm, 1.5mm
Camshaft: Scat
Cam duration at .050: 247/251
Valve lift: .825/.825
Head gasket: .056
Cylinder heads: CHI
Valves (in/ex): 2.200/1.600
Valve lifters: Morel
Pushrods: Smith Bros.
Rocker arms: Crower, 2.1
Engine gasket set: Fel-Pro, Cometic
Intake manifold: CHI
EFI ECU: Holley HP
Throttle body: Aeroflow
Ignition system: MSD Performance
Spark plugs & wires: Autolite, MSD Performance
Fasteners: ARP
Flywheel: Hays
Engine damper: Pioneer
Water pump: Meziere
Headers: Summit Racing/RCS
Valve covers: ProForm
Hoses & fittings: Aeroquip
AMSOIL oil viscosity: 10w40
Oil pump: Speed-Pro
Oil pan: Kevko Racing
Mufflers: Flowmaster