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1964 Pontiac LeMans GTO

1964 Pontiac LeMans GTO

The GTO was introduced in 1964 as a performance option for the Tempest in convertible, coupe and hardtop form. Standard equipment included 389 V8 which developed over 325 hp. Moreover, the package included a four-barrel carburetor, dual exhaust and premium tires. Available as options were 4-speed automatic or manual gearbox, limited slip differential, tachometer, seat belts, power steering and power brakes.

The hottest version of the GTO included a tri-power carburetion setup. Three vacuum powered Rochester carburetors increased the power to an astonishing 348 horsepower. In 1967 GM made a corporate ban on multi-carburetor engines. This put an end to the legendary tri-power GTO.

In total over 32 000 GTOs were sold in its first year. Largely helping sales was the low $300 price for the Tempest GTO. Quickly, the GTO became a major success, defining and motivating an upcoming market of muscle cars.

1964_Pontiac_LeMansGTO1 1964 Pontiac LeMans GTO

In Detail

submitted by Richard Owen
price $  $2491 USD
engine V8
position Front Longitudinal
aspiration Natural
valvetrain Pushrod Operated OHV, 2 Valves per Cyl
displacement 6375 cc / 389.0 in³
bore 103.12 mm / 4.06 in
stroke 95.2 mm / 3.75 in
compression 10.75:1
power 242.4 kw / 325 bhp @ 4800 rpm
specific output 50.98 bhp per litre
bhp/weight 210.77 bhp per tonne
torque 580.29 nm / 428 ft lbs @ 3200 rpm
body / frame Steel
driven wheels RWD
front tires 7.5×14
rear tires 7.5×14
front brakes Drums
f brake size mm / in
rear brakes Drums
r brake size mm / in
steering Recirculating Ball
f suspension Double A-Arms w/Coil Springs, Tube Shocks, Anti-Roll Bar
r suspension Live Axle w/Coil Springs, Lower Radius Arms, Tube Shicks
curb weight 1542 kg / 3400 lbs
wheelbase 2921 mm / 115 in
front track 1473 mm / 58 in
rear track 1473 mm / 58 in
length 5156 mm / 203 in
width 1862 mm / 73.3 in
height 1372 mm / 54 in
transmission 4-Speed Manual
gear ratios 2.56:1, 1.91:1, 1.48:1, 1.00:1, :1
final drive 3.23:1
top speed ~201.2 kph / 125 mph
0 – 60 mph ~7.0 seconds
0 – 100 mph ~18.0 seconds
0 – 1/4 mile ~15.0 seconds