Cheap, Used Buick Cars For Sale
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According to muscle car expert Phil Hall, the '70 Buick GS 455 was one of the wildest of all Buicks on paper. Its 455-cid engine was derived from the earlier 430-cid V-8 and produced 350 hp at 4600 rpm. Torque output was a strong 510 ft.-lbs. at 2800 rpm. It featured a 10.0:1 compression ratio and a Rochester four-barrel carburetor. This engine could push one of the approximately 3,800-lb. well-equipped Skylark bodies from 0-to-60 mph in about 6.5 seconds.
Available once again was the Stage I option. In fact, Motor Trend opined, "Buick's Stage I was interesting in 1969, now with the 455 mill it's an engineering tour de force." In addition, with a price of just $199.95, the engine option package was a bargain. It included extra-large nickel-chrome stellite steel valves, big-port cylinder heads with special machining and valv relieving, stronger valve springs, a high-lift cam, a carburetor with richer jetting, blueprinted pistons (notched for valve clearance) and an advanced-performance distributor. As in the past, the Stage I V-8 was available with either a special shift-governed automatic or a heavy-duty four-speed manual gearbox with a beefed-up clutch.
A Stage I GS 455 with automatic transmission could do 0-to-60 mph in 5.5 seconds and took just less than 14 seconds to zip down the quarter-mile. One magazine did it in 13.39 seconds at 105.5 mph and Motor Trend clocked 13.79 seconds at 104.50 mph as it flew through the traps. The stick-shifted version was just a little slower in reaching 60 mph from a standing start.
On top of its super performance, the GS 455 was a real handler and hugged the road even better when equipped with Rallye Ride package for $15.80 extra. It gave Motor Trend's press car extra stability at high speed. The test car had four-wheel manual drum brakes that could slow it from 60 mph in 139.1 ft. Senior editor Bill Sanders said the brakes "held up exquisitely without fade after repeated stops from over 100 mph."
The Gran Sport 455 option could be ordered for two body styles. The two-door hardtop cost $3,283 and 8,732 were put together. Buick built only 1,416 of the convertible versions, which sold for $3,469 and up.
"Buick's GSX. A limited edition," said the teaser headline on a Buick ad in the April 1970 issue of Motor Trend. the automaker called it "another light-your-fire car from Buick." As things turned out, not too many people had their fires lit, but you have to admit that with a total production of 678 copies, the GSX is a limited-edition muscle car.
Deep down inside, there wasn't too much of a difference between a 1970 GS 455 and a GSX of the same vintage. The latter carried a $1,196 options package as standard equipment. The package included a 455 four-barrel V-8, a hood-mounted tach, a Rallye steering wheel, power front disc brakes, a four-speed manual transmission, a 3.42"1 posi-rear axle, G60-15 "billboard" Wide-Oval tires, a special front stabilizer bar, front and rear spoilers, black vinyl bucket seats, heavy-duty front and rear shocks, a rear stabilizer bar, rear control arms and bushings, Firm Ride rear springs and GSX ornamentation. The hood-mounted tach was specific to the GSX model and the four-speed gearbox had a Hurst shifter. The GSX ornamentation included a special graphics package with hood stripes and side panel stripes.
For 1970, the GSX came only in two exterior colors, called Saturn Yellow and Apollo White. Buicke built 491 of the Saturn Yellow cars. The other 187 cars were Apollo White. Black vinyl interior trim, code 188, was used with both colors. Other special features included a distinctive padded steering wheel, a trunk tension bar designed to support the spoiler and a baffle incorporated into the rear spoiler. Of the 678 cars manufactured, 278 had standard 455-cid/315-hp V-8s, and 400 had the 345-hp Stage 1 engine option. All of the cars were built between February and May of 1970, but the VIN numbering appears to be assigned randomly.
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