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MCKEOWN MOTORSPORTS
400M SMALL-BLOCK FORD
CLAIMED DISPLACEMENT: 408.6 CI
QUALIFYING SCORE: 2,460.4 | | Team leader: | Mark McKeown | | Team members: | Heather McKeown, Kenny Yake, Mark McKeown, Jason Young | | Hometown: | Waldorf, MD | | Bore: | 4.032 inch | | Stroke: | 4.000 inch | | Compression ratio: | 10.47:1 | | Carburetor: | Holley, 1,100 cfm | | Carb spacer: | MME, 1-inch | | Intake: | CHI | | Cylinder heads: | CHI | | Block: | Ford | | Intake valve: | 2.150 inch | | Exhaust valve: | 1.625 inch | | Camshaft specs: | Comp; 247/252 degrees @ .050, .775/.645-inch lift | | Rocker arms: | Jesel, 2:1 int., 1.75:1 exh. | | Crankshaft: | Ford | | Rods: | Scat | | Pistons: | Ross | | Rings: | Speed-Pro | | Ignition: | ICE | | Oil: | Royal Purple, 20W-50 | | Headers: | Hooker, 1 3/4 to 1 7/8 to 2-inch step | | Mufflers: | Magnaflow | DTS DYNO DATA
BEST QUALIFYING PULL | | RPM | TQ | HP | | 2,500 | 453 | 216 | | 2,600 | 470 | 233 | | 2,700 | 484 | 250 | | 2,800 | 495 | 264 | | 2,900 | 504 | 278 | | 3,000 | 513 | 293 | | 3,100 | 519 | 306 | | 3,200 | 520 | 316 | | 3,300 | 519 | 326 | | 3,400 | 516 | 334 | | 3,500 | 508 | 338 | | 3,600 | 498 | 342 | | 3,700 | 489 | 345 | | 3,800 | 483 | 350 | | 3,900 | 485 | 360 | | 4,000 | 495 | 377 | | 4,100 | 509 | 397 | | 4,200 | 528 | 423 | | 4,300 | 550 | 451 | | 4,400 | 568 | 476 | | 4,500 | 578 | 495 | | 4,600 | 583 | 511 | | 4,700 | 588 | 526 | | 4,800 | 594 | 543 | | 4,900 | 599 | 559 | | 5,000 | 598 | 569 | | 5,100 | 593 | 576 | | 5,200 | 584 | 578 | | 5,300 | 573 | 578 | | 5,400 | 565 | 581 | | 5,500 | 565 | 592 | | 5,600 | 571 | 609 | | 5,700 | 575 | 624 | | 5,800 | 577 | 637 | | 5,900 | 575 | 646 | | 6,000 | 571 | 652 | | 6,100 | 562 | 653 | | 6,200 | 549 | 648 | | 6,300 | 535 | 641 | | 6,400 | 521 | 635 | | 6,500 | 515 | 637 |
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