1964 Pontiac Lemans GTO
Available only in 1964 as an option on the 1964 Pontiac Tempest LeMans. GTO optioned Tempest Lemans featured distinctive appearance items in place of standard LeMans features.

1964 Pontiac Lemans GTO

The famous Grand Turismo Omologata (GTO) was for the first year offered to the public. Available only in 1964 as an option on the 1964 Pontiac Tempest LeMans. GTO optioned Tempest Lemans featured distinctive appearance items in place of standard LeMans features. Standard Engine was a 389 cubic inch with 10.75:1 compression ratio which produced 325 horsepower at 4600 rpm's. Optional you could factory order the same 389 cubic inch motor which produced 348 horsepower at 4600 rpm's. Standard Equipment included: 389 engine w/1 - 4bbl and 325 horsepower, 3 speed stick with Hurst Shifter, Heavy-duty clutch, heavy-duty springs, shocks, stabilizer bar, special 7.5 x 14 red-line tires (rayon cord whitewalls optional at no extra cost), 14 x 6JK wide-rim wheels, high capacity radiator, declutching fan, high capacity battery, chromed air-cleaner, rocker covers, oil filler cap, bucket seats, standard axle ratio 3.23:1 (3.08, 3.36*, 3.55* to 1 available at no extra cost). Extra Cost Options: 389 engine w/3 - 2bbl and 348 horsepower (code #809), 3.55:1 axle ratio standard with this engine option/4speed with Hurst shifter (gear ratios 2.56:1, 1.91:1, 1.48:1, 1.00:1 and 2.64:1 reverse) 2-speed automatic with 2.20:1 torque converter, Safe-T-Track limited-slip differential,  (Code #701), 3.90:1, axle ratio available on special order with metallic brake linings, heavy-duty radiator and Safe-T-Track, Handling kit-20:1 quick steering and extra-firm-control heavy-duty shocks (Code #612), high-performance full transistor (breakerless) ignition (Code #671), tachometer (code #452), custom sports steering wheel, exhaust splitters (dealer installed), wire wheel discs (dealer installed), custom wheel discs with spinner and break cooling holes, Console.

1964 Pontiac Tempest Lemans GTO Specifications

Model Number Body/Style Number Body Type & Seating Factory Price Shipping Weight Total Production
Tempest LeMans w/ GTO Option
22 27 2d Coupe - 5P $2,852 3,106 lbs 7,384
22 37 2d Hardtop - 5P $2,963 3,126 lbs 18,422
22 67 2d Convertible - 5P $3,081 3,360 lbs 6,644
NOTES: 32,450 Tempest LeMans GTO's were built in 1964

Model Series Identification

GTO 2d Coupe - 5P - 2227 GTO 2d Hardtop - 5P - 2237 GTO 2d Convertible - 5P - 2267

Chassis Data

Model Wheelbase Overall Length Width Front Tread Rear Tread Tires
GTO 115 in 203 in 73.3 in 58 in 58 in 7.75 x 14

1964 Pontiac Tempest Lemans GTO Engines

Location Of Engine Code: V-8 engine codes are found on front of block below right cylinder head. NOTE: Some Pontiac experts claim that a few GTOs were built with factory installed and/or dealer installed 421-cid V-8s.
Letter Code Engine Horsepower Torque Transmission Carburetor
76X 8-389 348 428 Manual 3 - 2 BC
77J 8-389 348 428 Turbo Hydra-Matic 3 - 2 BC
78X 8-389 325 428 Manual 4 BC
79J 8-389 325 428 Turbo Hydra-Matic 4 BC

Options and Accessories

Code Description Price
NA Air Conditioning $430.00
NA Console Shift (LeMans) NA
NA Padded Dash NA
NA Remote Control Mirror $12.00
NA Power Convertible Top NA
NA Power Tilt Bucket Seats $96.00
NA Power Steering $57.00
NA Power Brakes NA
NA Power Tailgate Window NA
NA Push-Button Radio NA
NA Bucket Seats NA
NA Custom Steering Wheel NA
NA Deluxe Steering Wheel w/ Ring NA
NA 4-Speed Manual Transmission NA
NA 389-cid/325-hp V-8 NA
809 389-cid/348-hp V-8 (Tri-Power) NA
NA Heavy-Duty 3-Speed Manual Transmission NA
NA Muncie 4-Speed Manual Transmission (w/ Hurst Linkage) NA
701 Safe-T-Track Differential NA
452 Tachometer $54.00
671 Transistor Ignition NA
NA Cordova Top NA
NA Two-Speed Wipers & Washers NA
NA 3-Speed Manual Transmission (standard) NA
NA Automatic Transmission NA
612 Heavy-Duty Shock Absorbers NA
NA Console w/ Tachometer $161.00
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