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1963 Pontiac Grand Prix 421HO - First Run

First drive of my car after a 10-year frame-off restoration of a one family-owner car. This is a numbers matching 421HO four-speed car purchased new by my parents. The 421 has been bored .035 and 23cc dished Ross pistons installed along with Eagle h-beam rods and a custom grind hydraulic roller from SD Performance. The original 716 heads have been CNC ported and hand blended by SD as well. The tri-power was professionally restored and re-plated by Jon Havens. Original T10 close ratio 4-speed has been moth-balled and replaced with an Auto Gear M23 wide-ratio. Car has a 3:42 safety-track.

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