From only idle to 4,500 you say, the edelbrock performer or the holley short dual plane stealth is a good choice, if you were taking it upstairs in the rpm range 3,500-8,500 the performer rpm or victor jr open plenium is a awsome intake. We run a super victor jr on our 434 sb on our dirt late model, those are for big cube big rpm motors.
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In Paldiumn silver
'70 Tempest GT-37
'68 428 cu.in.
M-21 4 spd.
3.73 12 bolt
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