Styling could be enhanced by the Rally Sport package, which gained transparent louvers for its hidden-headlamp covers. Handling was razor-sharp, aided by aussie muscle cars power steering that was both quick and had road feel. However sales were disappointing and the car was withdrawn from the Vauxhall range in 2007. [edit] Collectibility The original "tire-burning" cars such as the AMC AMX, Buick Gran Sport, Dodge Charger R/T, Ford Mustang, Oldsmobile 4-4-2, Plymouth GTX and Pontiac GTO, are "collector's items for 70's muscle cars classic car lovers."[44] Surviving muscle models are now prized, and certain models carry prices to rival 70's muscle cars some of the more highly valued European sports cars. This led to the creation of the Cadillac V-series for their luxury 70's muscle cars CTS sedan, sold as the CTS-V. [edit] Australia Australian Ford and Holden are currently producing high performance 70's muscle cars vehicles. Hence the A9X had a basically standard 308ci engine. Chrysler produced the R/T Valiant Charger from 1971 to 1973 when the R/Ts were discontinued; the dominant R/T models were the E38 and E49 with high performance 265 cu in (4.3 L) Hemi engines featuring triple Weber carburetors. Chrysler apparently considered a high-performance V8 program importing 338 340 cu in (5.6 L) V8 engines from the U.S. That high-performance project never 70's muscle cars muscle car mylo went ahead, and the engines were subsequently fitted to the upmarket 770 model Charger. The A9X was an option on the LX SLR5000 sedan and the LX SS hatchback (2 door) and unlike the L34 package was not an engine 70's muscle cars performance upgrade but a suspension, differential and brake upgrade as the L34 engine was muscle car value already homologated for Group C use. Ford continued to release faster models, culminating in the Ford Falcon GTHO Phase III of 1971, which was powered by a factory modified 351 Cleveland. Horsepower began to drop in 1971 as engine compression ratios were reduced.

Sunoco 260, Esso Extra, Chevron Custom Supreme, Super Shell, Texaco Sky Chief, Amoco Super Premium, Gulf No-nox) until the passage of the Clean Air Act of 1970 where octane ratings were lowered to 91 - due in part of the removal of tetraethyl lead as a valve lubricant. the engine was upgraded to 340 horsepower (250 kW) a four-barrel Motorcraft carburetor and other hot rod trickery. It had a 390 cu in (6.4 L) engine developing 340 hp (254 kW)—a "moderate performer"[28] that gave a 0-60 mph (97 km/h) time of 6.8 seconds and a quarter mile in 14.4 seconds at 99 mph (159 km/h).[29] Early examples came in "patriotic" red, white and blue.[30] Jack Nerad wrote in Driving Today that it 70's muscle cars was "a straight-up competitor to the GTO, et al. The times quoted in our data panel were obtained with the 70's muscle cars standard tires and are spectacular enough, but when we ran the 70's muscle cars slicks we got down as low as 12.8 seconds at 112 mph. We would like to have had Dunlop SP's. .