10 Levels of Crate Engines . . . . . . .12 Crate Engines ... 50 RACING ENGINES CT 350/350 ... 80 BIG-BLOCKS 454 HO ... . . . . . . . . . . . . . . . . . . . .86 ZZ454 ... . . . . . . . . . . . . . . . .118 RPO ENGINES Ecotec 2.2L ... . . . . . . . . . . . . . . . . .125 3.8L 3800 Series II III . . . . . .126 4.4L ... 4.6L Northstar V-8 . . . . .128 Engine Components . . . .130 SMALL-BLOCK ... Block Components . . . . . . . . . .142 Cylinder Heads . . . . . . . . . . . . .144 Head ... 184 Cylinder Heads . . . . . . . . . . . . .186 ... Block Components . . . . . . . . . .204 Cylinder Heads . . . . . . . . . . . . .206 Head ... 234 Cylinder Heads . . . . . . . . . . . . .234 Head ... 238 Cylinder Heads . . . . . . . . . . . . .240 Head ...
15 Crate Engine Quick Reference Chart CHEVY SMALL-BLOCK ... V-8 LS SERIES SMALL-BLOCK V-8 CHEVY BIG-BLOCK V-8 RPO, GM V-6 RPO ... , CADILLAC NORTHSTAR V-8 RPO, GM ECOTEC FOUR CYLINDER Part ... Number Description Engine Size HP Torque Page 12499679 Ecotec 2 ... .2 Naturally Aspirated Engine 2.2L 145 155 123 12499466 Ecotec 2.0 SC ... .0L 205 200 124 Part Number Description Engine Size HP Torque Page 12499468 4.6 ... .4L 469 439 129 Part Number Description Engine Size HP Torque Page 12499529 350/290 ... HP Economy Performance Engine 350 cu in 290 326 26 12499711 350 HO ... cu in 355 405 36 12561723 ZZ4 Partial Engine 350 cu in N/A N/A 36, 44 12499120 Ram ... 385 44 12499101 HT 383 Base Performance Engine 383 cu in 340 435 46 12499106 383 ...