Plymouth Road Runner Superbird HEMI 

  • $4k
  • 1970
  • 425 HP 7.0L
  • 142 mph
In Pymouth's case, 1,920 Superbirds had to be made and they were all built in 1970.
by www.supercars.net
The Superbord was made to dominate stock car racing and elevate Plymouth's race credentials at the same time.
by www.supercars.net

Road Tests Real world tests of the Plymouth Road Runner Superbird HEMI

0-60mph

Road Runner Superbird HEMI
5.5 s

Top speed

Road Runner Superbird HEMI
142 mph
Charger Daytona
200 mph
Challenger SRT8
170 mph

Data points Key details of the Plymouth Road Runner Superbird HEMI

Price

Road Runner Superbird HEMI
$4k

Horsepower

Road Runner Superbird HEMI
425 HP

In The News From around the web

1
Apr

Plymouth Road Runner Superbird HEMI

www.supercars.net
The Superbord was made to dominate stock car racing and elevate Plymouth's race credentials at the same time.
In Pymouth's case, 1,920 Superbirds had to be made and they were all built in 1970.

Specifications Full list of technical specs

general

Brand Plymouth
Price $4,298
Year 1970

power & handling

Power-to-weight ratio 9.08 lb/hp
Maximum hp 425 HP @ 5,000 RPM
Maximum torque 490 ft-lb @ 4,000 RPM
Steering system Rack and pinion

engine

Displacement 6,981 cc
Cylinders V8
Air compressor None
Fuels Gas
Compression ratio 10.25:1
Bore/stroke 4.25 in / 3.75 in
Valves per cylinder 2 valves

road tests

Top speed 142 mph
0-60mph 5.5 s

transmission

Drivetrain Front Engine / RWD
Gearing Traditional
# of gears 4 gears
Gear ratios
  1. 1: 2.65:1
  2. 2: 1.93:1
  3. 3: 1.39:1
  4. 4: 1:1
Axle ratio 3.54:1

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc
Front wheels 356/? 152
Rear wheels 381/? 178

physical dimensions

Curb weight 3,858 lb
Width 76.4 in
Height 61.4 in
Length 220 in
Front track width 59.7 in
Wheelbase 115.8 in
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