383B Stroker Build

fishmens67 said

451cubes 720 horse 570 torque built by jim laroy for amsoil challenge

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Yeah true, but that was with Edelbrock Performer RPM heads. Testing 906 heads for the Mopar Muscle Magazine/Amsoil Engine Challenge two years later the 451/906 combination made 694 HP with 9.5:1 compression.