[Steve C.]

Here, a 5000 rpm truck motor combination.... 502 hp at 5000 RPM

4.250 stroke / 4.185 bore
Unported Edelbrock d-port heads / 251 cfm at .500" lift
204 cc intake runner volume
9.98 compression ratio
Torker II intake & Holley 750 carb

Comp XR276HR-10 hydraulic roller cam
224/230-degree cam, #79 jets, 34 degrees BT

Dyno Chart:

RPM TQ HP BSFC

3,300 566.7 356.1 0.38
3,400 569.5 368.7 0.38
3,500 570.7 380.4 0.38
3,600 569.3 390.3 0.38
3,700 566.9 399.4 0.38
3,800 565.1 408.8 0.39
3,900 564.2 418.9 0.39
4,000 563.4 429.1 0.39
4,100 562.9 439.4 0.39
4,200 563.3 450.5 0.40
4,300 563.2 461.1 0.37
4,400 563.3 471.9 0.36
4,500 559.7 479.6 0.37
4,600 556.7 487.6 0.37
4,700 554.1 495.8 0.38
4,800 547.3 500.2 0.38
4,900 538.5 502.4 0.40
5,000 528.1 502.8 0.41
5,100 506.2 491.5 0.44
5,200 491.2 486.4 0.45
5,300 487.2 491.7 0.45


Read more: http://www.hotrod.com/how-to/engine/...#ixzz3hbh2nenZ


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