Pontiac GTO 1968-1974


June 12, 2013 By Mike Lee
Last updated on July 31, 2015
Pontiac GTO (1968)
Country
USA
Top Speed (mph)
112
0-50 mph
5.2
0-60 mph
6.6
1/4 mile
14.5
BHP
360 @5400rpm
Torque lbft
445 @3800rpm
BHP per ton
217
Engine capacity CC/CU
6555/400
Engine type
V8 Carburettor
Aspiration
Normal
Compression Ratio
10.8:1
Valve Type/No
Overhead 16
Transmission (manual/auto)
Manual
No of speeds
4
Wheels driven
RWD
Brakes F/R
Disc/Drum or Disc/Disc
No. of Seats
5
Length (in)
200.7
Width (in)
74.8
Height (in)
52.2
Kerb Weight (lbs)
3650
Additional Info: The GTO now has a much more sleeker look (known as the coke bottle look). New colour coded impact absorbing front bumpers were now fitted, although chrome Le Mans bumpers could be used instead in optioned. Part way though 1968 a Ram Air II option was made available.

1968 GTO 1968 GTO
1968 GTO Tacho

Pontiac GTO Judge (1969)
Country
USA
Top Speed (mph)
124
0-60 mph
6.2
1/4 mile
14.5
BHP
370 @5500rpm
Torque lbft
445 @3900rpm
BHP per ton
223
Engine capacity CC/CU
6555/400
Engine type
V8 Carburettor
Aspiration
Normal
Compression Ratio
10.8:1
Valve Type/No
Overhead 16
Transmission (manual/auto)
Manual
No of speeds
4
Wheels driven
RWD
Brakes F/R
Disc/Drum or Disc/Disc
No. of Seats
5
Length (in)
202
Width (in)
75
Height (in)
52
Kerb Weight (lbs)
3650
Additional Info: The engine above is the Ram Air IV with a number of upgraded engine parts. The 350hp 400 was still available and the 400 HO was now rated at 366hp. Incidently an aftermarket Ram Air V was also built with a 0-60 time of 5.2 secs. The Judge model had a rear spoiler, added decals, wider tyres and a hurst shifter.

1969 GTO Judge

Pontiac GTO 400 Judge (1970)
Country
USA
Top Speed (mph)
121
0-50 mph
4.5
0-60 mph
6
1/4 mile
14.6
BHP
366 @5100rpm
Torque lbft
445 @3600rpm
BHP per ton
221
MPG UK/US
11/9
Engine capacity CC/CU
6555/400
Engine type
V8 Carburettor
Aspiration
Normal
Compression Ratio
10.5:1
Valve Type/No
Overhead 16
Transmission (manual/auto)
Manual
No of speeds
4
Wheels driven
RWD
Brakes F/R
Disc/Drum or Disc/Disc
No. of Seats
5
Length (in)
202.9
Width (in)
76.7
Height (in)
52.3
Kerb Weight (lbs)
3650
Additional Info: A rear anti-roll bar was now fitted, which improved the handling.

1970 Judge GTO 1970 GTO Judge 1970  GTO 400
1970 Judge GTO 400 Engine

Pontiac GTO 455 (1970)
Country
USA
Top Speed (mph)
118
0-50 mph
5.3
0-60 mph
6.6
1/4 mile
14.8
BHP
360 @4600rpm
Torque lbft
500 @2700rpm
BHP per ton
207
MPG UK/US
14/12
Engine capacity CC/CU
7456/455
Engine type
V8 Carburettor
Aspiration
Normal
Compression Ratio
10.3:1
Valve Type/No
Overhead 16
Transmission (manual/auto)
Automatic
No of speeds
3
Wheels driven
RWD
Brakes F/R
Disc/Drum or Disc/Disc
No. of Seats
5
Length (in)
202.9
Width (in)
76.7
Height (in)
52.3
Kerb Weight (lbs)
3825
Additional Info: The 455 HO’s 360hp power rating was said to be conservative. In 1971 the GTO could be had with a 300hp 400, a 325hp 455 or a 335hp 455 HO which was standard in the Judge. last year for the Judge was 1971. In 1972 the GTO went back to being an option with the Pontiac Le Mans and had a 250bhp (net rating) with either the 400 or 455 and a 300bhp 455 HO. 1973 engine options were a 230bhp 400 and a 250bhp 455. 1974 was the 3rd generation of the GTO and was now an option on the Pontiac Ventura with a 200bhp 350, which was road tested with a 0-60 time of 7.7 secs and 1/4 mile time of 15.7.

 

General gallery
1968 GTO 1968 Pontiac GTO
1969 GTO 1970 Pontiac GTO
1970 Judge GTO 1971 GTO
1971 GTO Customised 1972 GTO
1973 GTO 1974 GTO
1974 Pontiac GTO