408 stroker engine build

Mopar 408 Magnum
Engine Specs

408 Cubic inches
Bore 4.030
Stroke 4.00 Ohio Crankshaft 4340
Rods Cat 6.123 H-beam
Pistons Probe
Compression 11.5
Cam Comp XFI Lobe HYD roller (236/236 duration at 0.050-inch, 0..576/0.576-inch lift). Heads Edelbrock RPM Magnums Ported
Intake Mopar M1 single plane Ported
Comp 1.6 ratio exhaust roller rockers
Carb 1050 Quick Fuel
DYNO RESULTS Mopar 408 Magnum Stroker SuperFlow 901 Engine Dyno
STP Correction Factor Tested

RPM TORQUE HORSEPOWER
3200 491 299
3400 495 321
3600 496 340
3800 508 368
4000 509 388
4200 517 414
4400 522 438
4600 529 463
4800 532 486
4900 533 497
5000 532 506
5200 528 523
5400 522 537
5600 513 547
5800 501 553
6000 484 553
6100 477 554
6200 468 552