Need advice on new ZL1 engine

[PeteLeathersac]

Cool piece...but $25 thou.?.

Here's some published specs and Dyno #'s below..


~ Pete



Anniversary Edition 427 Tech Specs:

Engine Type - Aluminum Chevy big-block V-8
Displacement - 427 cu in
Bore x Stroke - 4.25 x 3.76
Block - Cast aluminum with 4-bolt main caps
Crankshaft - Forged steel
Connecting Rods - Forged Steel
Pistons - Forged Aluminum
Camshaft Type - Hydraulic roller
Valve Lift - .510 intake / .540 exhaust
Camshaft Duration (@.050 in) - 211° intake / 230° exhaust
Cylinder Heads - Aluminum oval port, 110cc chambers
Valve Size - 2.19 intake / 1.88 exhaust
Compression Ratio - 10.1:1
Rocker Arms - Aluminum roller style
Rocker Arm Ratio - 1.7:1
Distributor - HEI type
Carburetor - 870-cfm
Water Pump - Aluminum short style
Spark Plugs and Wires - included
Flexplate - 14"
Recommended Fuel - 92 octane
Ignition Timing - Base 8° BTDC, 36° Total
Maximum Recommended RPM - 6000
Balanced - Internal

Dyno Numbers
427ci ZL1 Crate Motor

RPM TQ HP

3,100 460 271
3,200 461 281
3,300 470 295
3,400 478 309
3,500 481 320
3,600 483 331
3,700 484 341
3,800 484 350
3,900 483 358
4,000 480 366
4,100 477 372
4,200 473 378
4,300 470 385
4,400 469 393
4,500 468 401
4,600 467 409
4,700 466 417
4,800 464 424
4,900 461 424
5,000 461 430
5,100 457 435
5,200 453 440
5,300 449 445
5,400 445 449
5,500 441 453
5,600 436 457
5,700 431 459
5,800 424 460
5,900 408 458
6,000 394 451