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View Full Version : 63 grand prix with 421 dual quad 4spd


black69
02-28-2017, 02:35 PM
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.

black69
02-28-2017, 02:47 PM
never mind, I just saw they may have built a few of them.

Keith Seymore
02-28-2017, 05:51 PM
<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 = &quot;Super Duty&quot;. 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).

&quot;Six Pack&quot; = I believe the term you are looking for is &quot;Tri Power&quot; <<GRAEMLIN_URL>>/wink.gif. That was the HO engine, which was a step down from the SD, but also readily available.

K

442w30
02-28-2017, 07:20 PM
Keith, three SD GPs, with one a single 4bbl.

marxjunk
02-28-2017, 09:26 PM
no six packs in Pontiacs..thats a mopar term..i know he already said it..but...

olredalert
02-28-2017, 09:27 PM
----Yup! SDs stopped in 1964. My old 64 was just an HO/4-speed, but they are very rare and probably way more driveable than a Super Duty. On the street there wouldn't be enough difference car to car to make the lack drive ability of the SD desireable IMHO!!!

Keith Seymore
03-01-2017, 06:35 PM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 442w30</div><div class="ubbcode-body">Keith, three SD GPs, with one a single 4bbl. </div></div>

Thanks, Diego.

K