Cylinder Head Vital Specs - Power Curves

We Measure All Vital Specs on 8 Cylinder Heads

Bob Mehlhoff Jun 19, 2006 0 Comment(s)

WORLD MOTOWN

0608ch_03_z Cylinder_heads World_motown_cylinder_heads 1/11

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The World Motown 220 pumped out 478 lb-ft of torque at 3,800 rpm and 439 horses at 5,400 rpm. These heads, with their 220cc intake ports, are the biggest we tested, and it must be mentioned that the large port size would most likely work better on engines with more than 400 ci (such as the latest 427 and 454 small-blocks). Because our test engine was a smaller 383 we were not able realize the power numbers that these heads produce on big-inch small-blocks.

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