I don't know what all the fuss is about using a big port on the street. Most of us have 455ci+ engines. I just built a .060 + 455 for my son-in-law with 360cfm Edelbrocks. They are ported pretty big but show no signs of being sluggish at low rpm. It also fries the tires at 50 MPH in 2nd gear with 3.08 rear gears. I don't think iron heads can compare.
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67 Firebird 3440 lbs, Pump gas 537 IA2, tiger heads, 4.86 rear, 32 x 17.5's, full interior, 4 mufflers, street shape 1.36 60', [email protected] 1/8 mi. 5.67@123 on small shot.
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