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View Full Version : Detroit Craigslist: Pontiac OHC 421 SD motor.

L_e_e
08-11-2019, 03:32 PM
No affiliation.

Link:
https://detroit.craigslist.org/okl/pts/d/highland-pontiac-ohc-421-sd-motor-rare/6954038870.html

Text:
Ultra rare Pontiac OHC 421 SD
OHC .. Over head Cam
421 Super Duty
This is the only experimental ohc421sd motor in the world.
1 of 1
Designed at Pontiac by Malcolm (MAC) McKellar and John Delorean .. and obviously other engineers.
$250,000.
Attention - Pontiac collectors
big gear head
08-11-2019, 04:17 PM
Wow!
Astock
08-11-2019, 04:50 PM
Wow!

What he said!
scuncio
08-11-2019, 06:13 PM
That is awesome. McKellar is a legend.
Crush
08-11-2019, 06:38 PM
TA looks nice too
olredalert
08-11-2019, 08:26 PM
----Would have killed to have this pill in my 64 Grand Prix 421 HO. So friggin cool it's off the charts!!!......Bill S
muscle_collector
08-11-2019, 09:42 PM
I have forgot the details, but how did the engine get separated from the car?
BOWTIE67327
08-11-2019, 11:08 PM
that belongs in a museum, wow wow
Keith Seymore
08-12-2019, 02:19 AM
I have forgot the details, but how did the engine get separated from the car?

I know the story but I would rather not share publicly.

K
Keith Seymore
08-12-2019, 02:19 AM
that belongs in a museum, wow wow

Agree.

K
L_e_e
08-12-2019, 03:55 AM
I first met Mac in the late 80's, young and cocky and was completely oblivious that I was in the presence of a mechanical genius, he was a quiet gentleman watching us put a 1974 Pontiac 455SD motor into Detroit Tigers Kirk Gibsons Blazer.
Also met George DeLorean, he prepped a 455SD for us with a sheet metal 3X4 intake that went into a 1978Trans Am with a Datsun 280Z hatchback rear and a "Ram Am" aero front end AKA Superbird.
Burd
08-12-2019, 12:13 PM
Here I thought the Pontiac Hemi was cool.
Keith Seymore
08-12-2019, 03:42 PM
Conversation on the Pontiac forum:

http://forums.maxperformanceinc.com/forums/showthread.php?t=833014

K
Keith Seymore
08-12-2019, 03:49 PM
Just a quick observation about Mac:

As noted, he retired in 1982 with 45 years of service at Pontiac Motor Division (with his career culminating in the role of Engine Chief Engineer).

Pontiac was founded in 1926, or in other words, was 56 years old at that point.

Mac worked for PMD for all but 11 years (80%) of the division's existence at the time of his retirement.

K