|
|
| BY THE NUMBERS |
| DCI 455 PONTIAC |
| Bore: |
4.160 inches |
| Stroke: |
4.21 inches |
| Displacement: |
457 actual cubic inches |
| Compression ratio: |
10.49:1 |
| Camshaft: |
COMP solid flat-tappet |
| Cam duration: |
260/268 degrees |
| |
at .050-inch tappet rise |
| Valve lift: |
.653/.677 inch |
| Rocker ratio: |
Harland Sharp 1.65 ratio |
| Top ring: |
1/16-inch Speed Pro |
| Second ring: |
1/16-inch Speed Pro |
| Oil ring: |
3/16-inch Speed Pro |
| Piston: |
Ross dished |
| Block: |
OEM |
| Crankshaft: |
OEM |
| Rods: |
Eagle 6.800-inch H-beam |
| Cylinder head: |
Edelbrock |
| Intake valve diameter: |
2.230 inches |
| Exhaust valve diameter: |
1.770 inches |
| Intake manifold: |
Edelbrock Victor Pontiac |
| Carburetor: |
Quick Fuel modified |
| |
Holley 1050 Dominator |
| Header: |
Hedman |
| Ignition: |
MSD 6AL |
| Damper: |
TCI Rattler |
| DTS DYNO DATA |
| RPM |
TQ |
HP |
| 2,500 |
438 |
208 |
| 2,600 |
454 |
225 |
| 2,700 |
477 |
245 |
| 2,800 |
499 |
266 |
| 2,900 |
514 |
284 |
| 3,000 |
525 |
300 |
| 3,100 |
538 |
317 |
| 3,200 |
546 |
333 |
| 3,300 |
547 |
344 |
| 3,400 |
538 |
349 |
| 3,500 |
524 |
349 |
| 3,600 |
513 |
352 |
| 3,700 |
520 |
366 |
| 3,800 |
532 |
385 |
| 3,900 |
544 |
404 |
| 4,000 |
556 |
424 |
| 4,100 |
569 |
444 |
| 4,200 |
580 |
464 |
| 4,300 |
590 |
483 |
| 4,400 |
593 |
496 |
| 4,500 |
594 |
509 |
| 4,600 |
591 |
518 |
| 4,700 |
593 |
530 |
| 4,800 |
590 |
539 |
| 4,900 |
585 |
546 |
| 5,000 |
581 |
553 |
| 5,100 |
575 |
558 |
| 5,200 |
570 |
564 |
| 5,300 |
569 |
574 |
| 5,400 |
569 |
586 |
| 5,500 |
566 |
593 |
| 5,600 |
562 |
599 |
| 5,700 |
557 |
604 |
| 5,800 |
549 |
606 |
| 5,900 |
544 |
611 |
| 6,000 |
539 |
616 |
| 6,100 |
532 |
618 |
| 6,200 |
523 |
617 |
| 6,300 |
510 |
612 |
| 6,400 |
497 |
606 |
| 6,500 |
487 |
603 |
|