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1964 Pontiac GTO
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1968 Pontiac GTO

1968 Pontiac GTO

Pontiac restyled the front end of the GTO for 1970 and a rear anti-sway bar was added. The GM ban on engines over 400 cubic inches was dropped and the 455 cubic inch engine debuted, although it featured reduced output. Option 611, the "Tiger" button, allowed the driver to choose a less restrictive exhaust for more power. The cost was $63, but it was only in production for a couple of months.

1970 Production

Two Door Hardtop (GTO, The Judge*), $3267: 36,666
  • 400 ci 350 hp Manual: 9,348
  • 400 ci 350 hp Automatic: 18,148
  • 400 ci 366 hp Manual Ram Air III: 3,054
  • 400 ci 366 hp Automatic Ram Air III: 1,302
  • 400 ci 370 hp Manual Ram Air IV: 627
  • 400 ci 370 hp Automatic Ram Air IV: 140
  • 455 ci 360 hp Manual: 1,761
  • 455 ci 360 hp Automatic: 1,986
Two Door Convertible (GTO, The Judge*), $3492: 3,784
  • 400 ci 350 hp Manual: 887
  • 400 ci 350 hp Automatic: 2,173
  • 400 ci 366 hp Manual Ram Air III: 174
  • 400 ci 366 hp Automatic Ram Air III: 114
  • 400 ci 370 hp Manual Ram Air IV: 24
  • 400 ci 370 hp Automatic Ram Air IV: 13
  • 455 ci 360 hp Manual: 158
  • 455 ci 360 hp Automatic: 241
The Judge: 3,797
  • 400 ci 366 hp Manual Ram Air III: 2,380
  • 400 ci 366 hp Automatic Ram Air III: 1,003
  • 400 ci 370 hp Manual Ram Air IV: 325
  • 400 ci 370 hp Automatic Ram Air IV: 72
  • 455 ci 360 hp Automatic Convertible: 3
  • 455 ci 360 hp Automatic Hardtop: 14
Total: 40,149

Available Engines:

400 cubic inch V8
  • 350 hp
  • Compression ratio: 10.25:1
400 cubic inch V8 Ram Air III
  • 366 hp
  • Compression ratio: 10.5:1
  • Single Carter four barrel carburetor
400 cubic inch V8 Ram Air IV
  • 370 hp
  • Compression ratio: 10.5:1
  • Rochester Quadrajet carburetor
  • Air Conditioning not available
455 cubic inch
  • 360 hp
  • 500 lb.-ft. torque
  • Compression ratio: 10.25:1
  • Four bbl. Rochester Quadrajet carburetor
  • Redine: 5100 rpm

1970 Performance

Car and Driver, March 1964

455 cubic inch V8, four speed
0 to 60 mph . . . . 6.6 sec.
Standing 1/4 mile . . . .15.0 sec. @ 96.5 mph
Normal driving: 10 to 13 MPG

Car Life, April, 1970

400 cubic inch V8, four speed

0 to 60 mph . . . . 6.0 sec.
Standing 1/4 mile . . . .14.60 sec. @ 99.55 mph
Normal driving: 8.9 MPG


455 cubic inch V8, automatic

0 to 60 mph . . . . 6.6 sec.
Standing 1/4 mile . . . .14.76 sec. @ 95.94 mph
Normal driving: 11.8 MPG

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