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BTR PERFORMANCE
400 OLDSMOBILE
CLAIMED DISPLACEMENT: 401 CI
QUALIFYING SCORE: 2,423.5 | | Team leader: | Bill Trovato | | Team members: | Earl Emery, Jim Clay, Steve Gerrard | | Hometown: | Rochester, NY | | Bore: | 4.000 inch | | Stroke: | 3.980 inch | | Compression ratio: | 10.5:1 | | Carburetor: | Barry Grant 1095 | | Carb spacer: | BTR | | Intake: | Edelbrock Victor | | Cylinder heads: | Edelbrock Performer RPM | | Block: | Olds | | Intake valve: | 2.190 inch | | Exhaust valve: | 1.650 inch | | Camshaft specs: | Comp; 243/254 degrees @ .050, .697/.684-inch lift | | Rocker arms: | T&D 1.9:1 int., 1.8:1 exh. | | Crankshaft: | Olds | | Rods: | CAT | | Pistons: | CP | | Rings: | Mahle Clevite | | Ignition: | MSD | | Oil: | Royal Purple, 5W-30 | | Headers: | American Racing Headers, 1 3/4-1 7/8-inch step | | Mufflers: | Magnaflow | DTS DYNO DATA
BEST QUALIFYING PULL | | RPM | TQ | HP | | 2,500 | 455 | 217 | | 2,600 | 469 | 232 | | 2,700 | 483 | 248 | | 2,800 | 493 | 263 | | 2,900 | 496 | 274 | | 3,000 | 495 | 283 | | 3,100 | 491 | 290 | | 3,200 | 485 | 296 | | 3,300 | 478 | 300 | | 3,400 | 468 | 303 | | 3,500 | 460 | 306 | | 3,600 | 462 | 317 | | 3,700 | 477 | 336 | | 3,800 | 493 | 357 | | 3,900 | 512 | 381 | | 4,000 | 531 | 405 | | 4,100 | 546 | 426 | | 4,200 | 557 | 445 | | 4,300 | 563 | 461 | | 4,400 | 565 | 473 | | 4,500 | 566 | 485 | | 4,600 | 568 | 498 | | 4,700 | 571 | 511 | | 4,800 | 574 | 525 | | 4,900 | 574 | 535 | | 5,000 | 571 | 544 | | 5,100 | 569 | 552 | | 5,200 | 569 | 563 | | 5,300 | 569 | 575 | | 5,400 | 569 | 585 | | 5,500 | 569 | 596 | | 5,600 | 567 | 604 | | 5,700 | 562 | 610 | | 5,800 | 558 | 616 | | 5,900 | 554 | 623 | | 6,000 | 553 | 631 | | 6,100 | 548 | 636 | | 6,200 | 541 | 639 | | 6,300 | 533 | 640 | | 6,400 | 526 | 641 | | 6,500 | 514 | 636 |
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