| Engine Dyno Results |
| DTS Engine Dyno |
| SAE-Corrected Horsepower |
| Tested At Ray Barton Racing Engine |
| Baseline | Carb | Spacer | 1 7⁄8 tti | Roller | Jets | 2 tti |
| Peak hp @ rpm | 615 @ | 620 @ | 633 @ | 631 @ | 608 @ | 613 @ | 621 @ |
| 6,400 | 6,400 | 6,300 | 5,900 | 5,500 | 5,500 | 5,700 |
| Avg hp @ | 513 | 515 | 524 | 553 | 552 | 554 | 557 |
| 3,500-6,000 rpm | |
| DTS Engine Dyno |
| SAE-Corrected Horsepower |
| Tested At Ray Barton Racing Engine |
| Baseline | Carb | Spacer | 1 7⁄8 tti | Roller | Jets | 2 tti |
Peak torque
| 596 @ | 598 @ | 607 @ | 639 @ | 660 @ | 658 @ | 659 @ |
| @ rpm | 3,900 | 3,900 | 3,900 | 4,700 | 4,100 | 4,100 | 4,200 |
|
Avg torque @
| 570 | 573 | 582 | 613 | 616 | 617 | 620 |
| 3,500-6,000 rpm | |
| Final Engine Dyno Results |
| RPM | HP | TQ |
| 3,500 | 434 | 635 |
| 4,000 | 499 | 656 |
| 4,200 | 524 | 659 |
| 4,500 | 555 | 654 |
| 5,000 | 600 | 631 |
| 5,500 | 618 | 592 |
| 5,700 | 621 | 573 |
| 6,000 | 610 | 540 |
Legend
Baseline: Balanced and blueprinted RBRE 493 engine with ported Edelbrock heads, .638-inch lift cam, M1 intake, 950 Holley, and 2 1⁄4-inch race-type headers.
Carb: Replace 950 Holley with 1,000 Race Demon carburetor.
Spacer: Add 1-inch, 4-hole, tapered Wilson Manifolds spacer. Change to 1 7⁄8 tti headers with primary tubes 10 inches longer.
Roller: Swap RBRE .638-inch-lift solid flat-tappet cam for Comp Cams .575-inch- lift solid street-roller cam.
Jets: Change from stock 85/93 jets to 83/91s.
Two tubes: Switch from 1 7⁄8-inch to 2-inch tti headers. Both have the same length primary tubes.
| Chassis Dyno Results |
| Superflow SF840 |
| SAE-Corrected Rear-Wheel Horsepower And Torque |
| Tested At SLP Performance Parts Engineering Center |
| Base 31 Squirters | 37/35 Squirters | 42/42 Squirters |
| Max hp @ rpm | 517 @ 5,420 | 520 @ 5,462 | 524 @ 5,476 |
| Max torque @ rpm | 500 @ 5,368 | 503 @ 5,362 | 512 @ 5,316 |
| Avg hp @ 5,000-6,000 | 479 | 487 | 493 |
| Avg torque @ 5,000-6,000 | 452 | 460 | 471 |