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Old 01-09-2013, 06:40 PM's Avatar is offline
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That old intake is more or less an early 375-425 horse GM intake copy. If I remember correctly a big cap HEI unit won't clear the end runner.

A good budget street intake. Similar to a Edelbrock Performer.

If you bore it, get a mid dome piston 9-10 to one compression. A mild cam, headers and a 780 vac secondary carb, you will have a torque monster.
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