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Thread: Buick LeSabre (3rd Gen) 1965-1970

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    Buick LeSabre (3rd Gen) 1965-1970

    LeSabre and other full-sized Buicks were completely restyled for the 1965 model year, featuring more rounded bodylines and Coke-bottle profiles with semi-fastback rooflines on two-door hardtop coupes. Wheelbases remained at 123 inches (3,100 mm), but a new perimeter frame shared with other GM B-body cars replaced the "X" frame used since 1961. Body styles were unchanged from 1964 except for the station wagon, which was dropped in favor of the stretched intermediate Special-based Buick Sport Wagon which featured a raised rear roof and glass skylight over the back seat similar to the Oldsmobile Vista Cruiser.

    Starting in 1965, the LeSabre was available in two trim levels, the base LeSabre and the LeSabre Custom, which featured a more luxurious interior trim and also included the convertible body style not available in the base LeSabre line.

    Interiors were also new for 1965 with a revised instrument panel featuring two round dials for speedometer and other instruments much like the 1963–64 models along with new heating/air conditioning controls.

    Drivetrains were unchanged from 1964 with the 250-horsepower two-barrel carbureted 300-cubic-inch V8 the standard powerplant on all models with a standard three-speed manual transmission or optional four-speed manual or two-speed Super Turbine 300 automatic. Available at extra cost with the new LeSabre "400" package was the 250-horsepower 300-cubic-inch V8 with four-barrel carburetion and 10.25 to 1 compression which required premium fuel, compared to the standard two-barrel engine that used regular fuel. The 400 package also included the more desirable Super Turbine "400" three-speed automatic transmission also found in Buick's higher-priced Wildcat, Electra 225 and Riviera models.

    Buick's engine–transmission practice was similar to that of GM's Chevrolet Division, which at that time only offered the two-speed Powerglide automatic with most of its engine offerings in full-sized vehicles, requiring buyers who preferred the similar three-speed Turbo-Hydramatic (basically the same transmission under a different name) to order one of the larger V8 engines. Both Pontiac and Oldsmobile offered the Turbo Hydra-Matic on all of their full-sized cars with any engine offering, and three-speed automatics were also the norm on big cars from GM's medium-priced competitors such as the Chrysler Newport and Mercury Monterey, which offered the TorqueFlite and Cruise-O-Matic transmissions, respectively.

    New grilles and four-segmented taillights highlighted the face-lifted 1966 LeSabre models. Also new was a revised instrument panel with a horizontal sweep speedometer replacing the round pod instruments and new interior door handles. Both base and Custom level series were continued. New standard safety features included a padded instrument panel, outside driver-side rear view mirror and backup lights.

    Under the hood, the 300-cubic-inch V8 was replaced by a larger 340-cubic-inch V8 rated at 220 horsepower with two-barrel carburetor and available with either a standard three-speed manual transmission or optional two-speed automatic, but the four-speed manual was dropped from the option list. Ordering the LeSabre 400 option upgraded the buyer to a 260-horsepower 340 with four-barrel carburetor and higher 10.25 to 1 compression ratio along with the three-speed Super Turbine 400 automatic found in the larger engine Wildcat, Electra 225 and Riviera.

    Somewhat more rounded sheet metal and a swoopier fastback roofline for the two-door hardtop highlighted the 1967 LeSabre but chassis and inner body were unchanged along with drivetrains. Both base and Custom-level LeSabres were continued.

    New options for 1967 included front disc brakes and a stereo 8-track tape player. The standard drum brakes were upgraded with more cooling fins and a dual-master cylinder system was introduced.

    The 1968 LeSabre received a minor facelift including new grilles and taillights along with concealed windshield wipers. Inside was a revised instrument panel with square speedometer surrounded by other instruments with minor trim revisions for both base and Custom models.

    A new 350-cubic-inch V8 replaced the previous 340. In standard form the 350 V8 delivered 230 horsepower with two-barrel carburetor and 9 to 1 compression ratio and came with a standard three-speed manual transmission or optional two-speed Super Turbine 300 automatic. The "LeSabre 400" option package included a 280-horsepower 350 four-barrel V8 with 10.25 to 1 compression and three-speed Super Turbine 400 automatic transmission. The "Switch-Pitch" torque converter used in conjunction with the Super Turbine automatic transmission was discontinued in favor of a standard torque converter.

    The 1969 LeSabre received new sheetmetal with more squared off styling than the 1965-68 models including a formal roofline on coupes replacing the semi-fastback of previous years. Though the 1969 model was extensively restyled with new sheetmetal, the basic 1965 chassis and inner body structure were retained, along with the roofline of the four-door pillared sedans though vent windows were dropped on all models. Wheelbase remained at 123 inches (3,100 mm). Interiors were mildly revised with minor changes to the instrument panel including the movement of the heating/air conditioning controls to the left of the steering wheel, which was new this year. Headrests, previously optional, were now standard equipment due to a federal safety mandate. The 1969 LeSabre and other Buicks also received a new steering column mounted ignition switch (relocated from the instrument panel) that also locked the steering wheel when the transmission was in Park. The ignition/locking steering column appeared on all 1969 General Motors cars one year ahead of the federal mandate requiring all cars to be so equipped.

    Also new was a variable-ratio power steering unit along with revised front suspension geometry for improved ride and handling under Buick's tradename of Accu-Drive. Steel rails were also built into the doors (and rear quarter panels on coupes and convertibles)for improved side impact protection as was the case with all 1969 GM B- and C-body cars.

    Powertrains were unchanged from 1968 with the 230-horsepower 350 two-barrel V8 standard and available with a three-speed manual transmission or the two-speed Super Turbine 300 automatic while the LeSabre "400" package once again included a 280-horsepower 350 four-barrel engine and three-speed Super Turbine 400 automatic.

    Only minor detail changes including grille and taillight revisions were made to the 1970 LeSabre. New features this year included a hidden radio antenna which amounted to two wires embedded in the windshield. Wheelbase was increased by one inch to 124 inches (3,100 mm), matching direct competitors such as Oldsmobile Delta 88, Mercury Monterey and Chrysler Newport.

    Both base and Custom models were again offered. Engines were revised with the standard 350 two-barrel V8 increased in horsepower from 230 to 260. A new option for 1970 was a low-compression regular-fuel version of the 350 four-barrel rated at 285 horsepower and the high-compression premium fuel 350 four-barrel V8 was reworked with horsepower upped to 315 on a 10.25 to 1 compression ratio. Added to the lineup was a new LeSabre 455 line which shared interior and exterior trimmings with the LeSabre Custom and was powered by Buick's new 455 cubic-inch V8 with four-barrel carburetor, 10.25 to 1 compression and 370 horsepower, which also required premium fuel.

    Transmission offerings included a standard three-speed manual with column shift for the base 350 two-barrel or optional three-speed Turbo Hydra-matic 350 automatic, which was standard equipment with the two 350 four-barrel engines. This transmission completely replaced the old two-speed automatic offered with the smaller base engines in past years, while the 455 was paired with the Turbo Hydra-matic 400. Buick now joined other GM divisions in marketing the automatic transmission under the Turbo Hydra-matic trade name rather than the "Super Turbine" designation used since 1964.

    At the start of the model year, variable-ratio power steering and power drum brakes were optional equipment. Those items were made standard equipment on all LeSabres (and Wildcats) effective January 1, 1970. Power front disc brakes remained an extra-cost option.

    For the first time since 1964, Buick offered a full-sized station wagon for 1970 under the Estate Wagon nameplate. Though it used the LeSabre's B-body, it rode on the C-body Electra 225's 127-inch (3,200 mm) wheelbase chassis. The Estate Wagon came standard with the 455 V8 and interior trims were similar to the LeSabre Custom and Wildcat.

    Source: wikipedia.org
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    Buick LeSabre (3rd Gen) #2

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