Show us your muscles! A red Pontiac GTO 1968 is seen among scores of vintage muscle cars lining the streets of Seaside, Ore., for the annual Muscle Beach Cruz.
1968 Ford Mustang as depicted in ''Bullitt"
1968 Ford Mustang as depicted in ''Bullitt.''
Peter Brooker/Rex Features
1963 black Corvette Sting Ray with split window
1963 black Corvette Sting Ray with split window.
1968 Chevrolet Chevelle SS
1968 Chevrolet Chevelle SS.
1967 Chevelle SS 396 grille
1967 Chevelle SS 396 grille.
A Chevrolet Camero muscle car burns its tires along side a Navy F-8 Crusader flighter plane during a demonstration on the flight deck of the USS Midway in San Diego, Monday, October 8, 2007.
1969 Pontiac Firebird GTO
1969 Pontiac Firebird GTO.
1956 Chevy Wagon
Auctioneer Rob Olson looks over a seized 1956 Chevy Wagon as it is being delivered at a warehouse in Salt Lake City.
The Salt Lake Tribune/Jim Urquhart/AP
Engine of a 1956 Chevy Wagon
The engine of a 1956 Chevy Wagon at a warehouse in Salt Lake City.
The Salt Lake Tribune/Jim Urquhart/AP
1971 Chevelle SS
This 1971 Chevelle SS was the prize in a Paramount Home Media Distribution contest promoting the movie ''Jack Reacher.'' Contestants had to keep one hand on the car at all times (with short breaks every few hours); the winner won after 36 hours.
Rodrigo Vaz/FilmMagic/Getty Images
1967 Buick Gran Sport
This photo and caption appeared in the April 1967 issue of Motor Trend magazine: "1967 Buick Gran Sport. The GS 400's reaction to curves and rough roads prompts drivers to take the long way home."
Ford Mach 1 Mustang
Ford Mach 1 Mustang car at Knebworth classic car show, Hertfordshire, Britain.
Sonny Meddle/Rex Features
1959 Dodge Custom Royal
The shadows of two men are cast on a pink 1959 Dodge Custom Royal during a weekly gathering of car enthusiasts in Langley, British Columbia. Owners of old classic cars, along with hotrods and muscle cars, meet in a parking lot next to a coffee shop every Friday night during the summer to socialize and show off their cars. Picture taken July 30, 2010.
4th Annual Hot Rod Magazine Championships Drags - Riverside
4th Annual Hot Rod Magazine Championships Drags in Riverside, California, in 1967. The ''Hurst Hairy Olds'' 442 uses Toronado driveline to get dual blown 425 Oldsmobile engine's power to the ground.
1963 Chevrolet Corvette Stingray Coupe
The 1963 Chevrolet Corvette Stingray Coupe was, apart from the engine, a completely new car. Extensively tested in a wind tunnel, the sleek, distinctive shape has now become an automotive classic. The 1963-67 model years are considered by many to be the quintessential 'Vette.
1963 Chevrolet Corvette Stingray Coupe engine
The 1963 Chevrolet Corvette Stingray Coupe engine.
1970 Chevrolet El Camino SS
This undated photo shows a 1970 Chevrolet El Camino SS. Based on the midsize Chevy Chevelle, the 1970 El Camino SS pickup combined pickup utility with muscle car looks and power.
1968 AMC Rebel
1968 AMC Rebel.
Flames cover the hood of a 1960 Oldsmobile
Flames cover the hood of a 1960 Oldsmobile at the National Street Rod Association Northeast Nationals at the Champlain Valley Exposition in Essex Junction, Vermont.
A 1970 Chevrolet Chevelle two-door hardtop with SS option
A 1970 Chevrolet Chevelle two-door hardtop with SS option is displayed at the Antique Automobile Club of America Museum in Hershey, Pennsylvania.
Pontiac GTO Monkees car
Pontiac GTO Monkees car. The Monkeemobile was designed and built by Dean Jeffries. The car was featured on the NBC network's comedy television show ''The Monkees,'' starring Davy Jones, Mike Nesmith, Micky Dolenz, and Peter Tork. Created from two Pontiac GTOs, the visually radical Monkeemobile was an instant hit with fans of the show and was merchandised in diecast as well as plastic model kit form.
1950 Mercury custom convertible and other hot rods in a North Palm Beach, Fla. private auto museum
1950 Mercury custom convertible and other hot rods in a North Palm Beach, Fla. private auto museum.
J Pat Carter/AP
1957 Plymouth Belvedere
1957 Plymouth Belvedere road test: Burning rubber on the street as "Hot Rod" magazine tests the Power Pack engine with 4-barrel carburetor in the May 1957 issue.
People stroll looking at classic cars, including a 1968 Ford Mustang Shelby, left, as a 1957 Chevy is driven by
People stroll looking at classic cars, including a 1968 Ford Mustang Shelby, left, as a 1957 Chevy is driven by during cruising night, in Somerville, N.J., Friday, Aug. 6, 2004. On Friday nights, between Memorial Day and Labor Day, as many as 300 classic vehicles can be seen at the weekly show.
1968 Pontiac Mercury Cyclone GT
1968 Pontiac Mercury Cyclone GT.
Goodies Speed Shop's ''Brutus'' Pontiac GTO funny car
1966 Hot Rod Magazine Championship Drags at Riverside International Raceway. Here's Goodies Speed Shop's ''Brutus'' Pontiac GTO funny car.
Dewey-Griffin Oldsmobile 442
Dewey-Griffin Oldsmobile 442 with Pete Kost behind the wheel at the 1969 NHRA World Finals, Dallas International Motor Speedway.
1967 Oldsmobile 442
1967 Oldsmobile 442.
Chevrolet Corvette Sting Ray 1967
Chevrolet Corvette Sting Ray 1967.
1962 Ford Mustang
1962 Ford Mustang at the Capitola 5th Annual Rod and Classic Car Show, California.
Derek Cattani/Rex Features
The DCF-500 GT, a customized 2005 Ford Mustang
The DCF-500 GT, a customized 2005 Ford Mustang, rests in front of Dream Car Factory in Streetsboro, Ohio.
Akron Beacon Journal/Robin Tinay Sallie/AP
Grant Rebel's AMC SST
Grant Rebel's AMC SST pulls hard off the line at the 1968 Annual AHRA Winter Nationals.
1957 Ford Fairlane 500
1957 Ford Fairlane 500.
1965 Ford Shelby Mustang GT350
1965 Ford Shelby Mustang GT350.
1956 Chrysler 300B
1956 Chrysler 300B road test for "Hot Rod" magazine.