Re: 63 grand prix with 421 dual quad 4spd
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: black69</div><div class="ubbcode-body">Would a car like above be a special order? I thought most on the high end engine option would have been six pack. Figured somebody would instantly know here. </div></div>
Dual quad = "Super Duty". I think they built one SD Grand Prix in '63 (a white one) but it was a regular production option. (My Pete McCarthy book as at home so I cannot verify).
"Six Pack" = I believe the term you are looking for is "Tri Power" [img]<<GRAEMLIN_URL>>/wink.gif[/img]. That was the HO engine, which was a step down from the SD, but also readily available.
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.56 @ 139 mph best
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