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I'm not even close to wanting to
participate in the current performance discussion, but the owner of the '56
Belvedere that we are restoring just sent me this, and it was easy enough to
forward to the list.
Take it all with a grain of salt, I guess.
Just another instance of published results. The normally aspirated quarter
mile results were......... slow?
Maybe somebody has a copy of the magazine in their
personal archives?
Tim
Motor Trend, April 1956 ? Supercharged ?56 Plymouth
With performance to surpass
that of Plymouth?s own Fury and a sound to match that of a screaming banshee,
this blown Plymouth supplied to me recently by McCulloch Motors is an impressive
package indeed. It smashed acceleration times set by the 4-barrel-carbureted ?56
Plymouth as easily as a mallet splatters an egg. Take a look at the comparative
figures:
Speed/Distance 200-hp
?56
Plymouth
McC. Supercharged Plymouth
0-60mph
11.9
8.2
¼
mile
18.9 (76
mph) 16.7
(89.8 mph)
30-50
mph
4.4
2.8
50-80
mph
13.4
8.9
These figures put the blown
Plymouth in the hopped-up Corvette and T-Bird class. And by ?hopped-up? I mean
one such as the ?54 Corvette with ?54 Caddy engine that I drove back in?54. The
0-60 runs were made using LOW range of PowerFlite only, while the ¼ mile runs
were made using LOW, and shifting to DRIVE at around 60. The 30-50 runs were all
made in LOW, while the 50-80 ones were a combination of the 2 gears. Any time
you downshift below 60 mph with this setup, you get not only a surge when the
transmission drops down a gear, but another one when the blower cuts in. The
blower takes hold between 3000-3500 rpm.
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