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SURVIVAL MOTORSPORTS
421 HIGH-RISER FORD
CLAIMED DISPLACEMENT: 429 CI
QUALIFYING SCORE: 2,375.7 | | Team leader: | Barry Rabotnick | | Team members: | Tim Young, Tom Gunther | | Hometown: | Commerce, MI | | Bore: | 4.250 inch | | Stroke: | 3.780 inch | | Compression ratio: | 10.48:1 | | Carburetor: | QFT 1050-cfm | | Carb spacer: | Marcella Manifolds | | Intake: | Marcella/Dove | | Cylinder heads: | Blue Thunder | | Block: | Genesis | | Intake valve: | 2.20 inch | | Exhaust valve: | 1.71 inch | | Camshaft specs: | Comp; 252/252 degrees @ .050, .692/.692-inch lift | | Rocker arms: | T&D | | Crankshaft: | Performance Crankshaft | | Rods: | Scat | | Pistons: | Diamond | | Rings: | Speed-Pro | | Ignition: | MSD | | Oil: | Royal Purple, 5W-20 | | Headers: | Hooker, 1 7/8-inch | | Mufflers: | Magnaflow | DTS DYNO DATA
BEST QUALIFYING PULL | | RPM | TQ | HP | | 2,500 | 490 | 233 | | 2,600 | 493 | 244 | | 2,700 | 506 | 260 | | 2,800 | 512 | 272 | | 2,900 | 512 | 282 | | 3,000 | 509 | 290 | | 3,100 | 494 | 291 | | 3,200 | 474 | 289 | | 3,300 | 466 | 293 | | 3,400 | 472 | 305 | | 3,500 | 487 | 325 | | 3,600 | 504 | 345 | | 3,700 | 519 | 356 | | 3,800 | 535 | 286 | | 3,900 | 550 | 408 | | 4,000 | 561 | 427 | | 4,100 | 568 | 443 | | 4,200 | 574 | 458 | | 4,300 | 578 | 473 | | 4,400 | 583 | 488 | | 4,500 | 587 | 503 | | 4,600 | 591 | 517 | | 4,700 | 591 | 529 | | 4,800 | 588 | 537 | | 4,900 | 584 | 545 | | 5,000 | 583 | 555 | | 5,100 | 586 | 570 | | 5,200 | 591 | 585 | | 5,300 | 594 | 599 | | 5,400 | 593 | 610 | | 5,500 | 592 | 620 | | 5,600 | 591 | 630 | | 5,700 | 588 | 638 | | 5,800 | 583 | 643 | | 5,900 | 578 | 650 | | 6,000 | 572 | 653 | | 6,100 | 565 | 656 | | 6,200 | 561 | 662 | | 6,300 | 558 | 669 | | 6,400 | 543 | 662 | | 6,500 | 519 | 643 |
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