In 1965, Shelby American modified a large number of Wimbledon White fastbacks directly from the San Jose factory with the 271hp (289ci, V8) engine. The converted cars were named the GT-350 because there was 350 feet between Shelby's main assembly line and the engine room. The engine modifications boosted its performance up to 306hp with a Cobra aluminum high-rise intake manifold, 715cfm Holley four-barrel carburetor, Cobra cast aluminum finned valve covers and 6.5 quart oil pan, steel tubing "Try-Y" exhaust headers, low restriction mufflers, and dual side-exit exhaust pipes. Body modifications included a fiberglass hood with NASCAR-style pins and functional scoop, a cleaned-up grille with a Mustang logo which would become the 1969 Mustang standard, and all were Wimbledon White with blue 10-inch wide racing "LeMans" stripes. Interior modifications included a high-performance instrumented dash, a collection of different wooden steering wheels, removing the back seats and placing the spare tire there to classify it as an SCCA racing series sports car, and many others. Shelby VIN plates were affixed directly over the Ford VIN numbers. In total, 562 units were built in 1965 which included 521 street versions priced at $4,547, 34 of the converted cars were named the GT-350R race-prepared models priced at $5,995, 4 drag racing versions, and 3 prototypes.
For the 1966 model year, the Shelby Motor Company continued to modify Ford Mustangs. The first 252 units were actually 1965 Mustang bodies with 1965 Mustang trim, and are known as the "carry-over" cars. Two body styles were offered: the fastback and the ultra-rare convertible. Modifications over the 1965 Shelby are minimal - side air-intake scoops were added to force air to the rear brake pads which aided in keeping them cool, and the C-pillar sail panel was removed and replaced with triangular windows.
The 1967 Shelby underwent a complete redesign with a fiberglass hood featuring twin scoops and racing-style lock-down pin, an all-steel piece deep opening mouth grille with two round high-beam headlights placed side-by-side in the middle (later in the year the lights were separated due to pressure from some state departments of motor vehicles), a single line front bumper without vertical components, and working protruding rear wheel and rear quarter window air scoops. Early 1967 models had a round red running light installed in the rear opening of the rear quarter window air scoop but was dropped due to legal concerns. The rear of the car has a three-piece spoiler, and extra-wide taillights were mounted on a smooth flat panel. Joining the GT-350 in 1967, Shelby introduced the new GT-500 which packed the 355hp, 425 cubic inch, big-block, V8. Both the GT-350 and GT-500 came only as fastbacks, although there was one prototype GT-500 convertible and one prototype GT-500 hardtop.
The 1968 Shelby introduced a newly designed hood which now featured twin scoops at the leading edge of the car and a dual pin and stock Mustang hood lock mechanism. Other changes included a larger grille opening created by a fiberglass front valance panel with the first American twin rectangular driving lights. Just before 1968 Shelby production, the Shelby manufacturing group (Shelby Automotive Inc.) moved from Torrance, California to Ionia, Michigan due to the need for high-quality fiberglass as more components required it. This led to the three Shelby divisions of the Shelby Automotive Inc., Shelby Racing Co., and Shelby Parts. Interesting facts include that some cars came with Ford's tilt-away steering column but was not an option that could be specifically ordered; also all air-conditioned models came with tinted glass directly from Ford which was not altered by Shelby. A new 250 hp, 302 cubic inch, V8 engine was offered as well as a 360 hp, 428 cubic inch Police Interceptor V8; and a 335 hp, 428 cubic inch Cobra Jet V8. Mid-1968, Shelby introduced the GT-500KR or "King of the Road" which used Ford's new unofficially rated 400hp, 428 cubic inch Cobra Jet engine along with other handling/safety modifications to contain the power. One of the most popular convertible options was surfboard attachment rings located on the top of the roll-bar.
The 1969 Shelby looked very different from the 1969 Mustang with fiberglass fenders, hood, and rear cap which made the Shelby three inches longer than the already elongated 1969 Mustangs. The hood was fastened with five recessed NASA-type hood scoops. The leading edge of the hood ended with a chrome strip that wrapped around the grille to meet the thin Shelby chrome bumper. A second chrome strip formed a wide mouth on the grille between the headlamps with Lucas driving lights mounted just below the bumper. The Shelby GT side stripes were wider, centered vertically, and ran the entire length of the car. The rear brake body side air scoops were wider and mounted in the center for the convertible but higher and similar to the 1968 for the fastback. In the rear, Thunderbird sequential taillights were used and a spring-mounted license plate frame that hid the fuel cap. Early in the year, the dual exhaust tips ended just inches below and to the right and left of the license plate. Later they were moved further out, and earlier cars were recalled due to a fire hazard. All of Ford's Grabber colors were available as well as the 1968 Shelby colors. All GT-350s got Ford's new 290hp, 351 cubic inch V8; while the GT-500s got the 1968 GT-500 335hp, 428 cubic inch, Cobra Jet V8. In the fall of 1969, Shelby decided to stop making Shelby GT, and about 789 remaining unbuilt stock cars were sold as the 1970 Shelby.
In the autumn of 1969, Shelby made the decision to discontinue production of Shelby GTs. The remaining stock of approximately 789 cars was sold as the 1970 Shelby, which was equipped with 1970 VIN numbers, a front chin spoiler, and black stripes on their hoods. Additionally, these cars were fitted with emissions control systems that were mandatory for the 1970 model year. This marked the end of the Shelby until its reappearance in the 2006 model year.
The Shelby Hertz returned in 2006, following the original GT-350H from 1966. This GT-H featured black and gold paint, just like its predecessor, and was only available new to the Hertz car rental agency. Shelby Motors in Las Vegas upgraded the stock 4.6L 3V V8 engine from the GT coupe, adding an extra 25hp and 10lb-ft of torque. Only 500 of these cars were produced in 2006.
The Shelby is back in 2007 with a new model, the Shelby GT. The Shelby GT has all the looks of a GT500 but uses the standard 2008 Mustang GT 4.6L V8, H-code engine with the Ford Racing air intake to push the power to 325hp and 300ft-lbs. The 2007 Shelby GT comes only in a coupe. The 500hp Shelby GT500 is carried over from 2006 and comes in both a coupe and a convertible. A variant of the Shelby GT is the Shelby GT/SC where the "SC" stands for SuperCharged engine. A Limited Edition 40th Anniversary Package is available for 500 units. It is offered to commemorate the 1967-2007 Shelby line. Also, 500 black GT convertibles are converted to Shelby GT-H models for Hertz. These convertibles have gold stripes, a hood with pins, a brushed aluminum grille with an offset tri-bar pony emblem, 18-inch black aluminum wheels, Hertz door sill emblems, and standard Shelby GT body and engine upgrades. "The Red package is all about exclusivity," said Dan Geist, Mustang marketing manager. "The Shelby GT500 is an enthusiasts' car." For white or black exterior colors, a Red Appearance Package is available for $1650 which offers bright red top and side stripes, red and black leather interior, ebony carpet floor mats with red and silver embroidered cobra snake logo, unique red exterior cobra snake badges, and a car cover.
In 2008, three new models join the Shelby GT-500 and Shelby GT: the Shelby GT-500KR (King of the Road) coupe, which celebrates its 40th anniversary; the Shelby Super Snake GT500 upgrade, which boosts the performance of the GT500; and the Shelby GT Barrett Jackson edition, which is a limited run of 100 black cars with red stripes.
The GT500KR has a distinctive hood with vents and pins, special 18 inch wheels, a Ford Racing engine that delivers 540hp, and GT500KR badges on various parts. The Super Snake GT500 has similar features, but also has Super Snake badges and an option to increase the engine power to 600 or 725hp.
The GT-500 has a supercharged V8 engine that produces 500hp at 6000rpm, and is available as a coupe or a convertible. It comes in seven colors: Torch Red, Alloy dark gray, Vista Blue, Performance White, Black, Grabber Orange, and Vapor silver. It also has fog lamps, racing stripes, Shelby gas cap, front fascia, rear spoiler, aluminum interior accents, Shaker 500 Audio System, Sport leather seats, leather wrapped steering wheel, and an anti-theft system. Some of the optional features are ambient lighting, interior upgrade, Shaker 1000 Audio System, SIRIUS Satellite Radio, touch screen DVD based navigation, HID headlamps, and stripe delete options.
The Shelby GT is based on the Mustang GT premium, but with many of the Shelby GT500 options added for about $15,000. It is offered as a coupe or a convertible in Vista Blue with silver stripes for the standard version as a coupe only in Grabber Orange with silver stripes for the California edition, and as a coupe or convertible in Black with red stripes for the Barrett Jackson edition.
The 2009 Shelby GT-500 has a 500hp (at 6000rpm), 5.4 liter, 4 valve, intercooled, supercharged, V8 engine and comes in a 2-door coupe or a convertible. Just as in 2008 a second model is available: the Shelby GT500KR with the Ford Racing Power Pack upgrade and Shelby tuning of its 5.4L supercharged V8 to produce 540hp. A limited number of black or white Red Stripe Shelby GT-500's were also offered which included red stripes, red snake emblems, and red interior accents. This Red Appearance Package was also available on limited numbers of Shelby's in 2007 and 2008 also.
The 2010 Shelby GT-500 is a special edition of the 2010 Mustang that has a unique appearance and performance. It has a new front fascia that features a body colored panel between the headlamps and upper grille, which is molded as a continuation of the hood. The upper grille is smaller than the 2010 Mustang, but the lower grille is larger and has a redesigned Cobra emblem. The car also has new body side lower stripes and GT graphic, new rear fascia, new rear wing, and new rear decklid Cobra emblem.
The interior of the 2010 Shelby GT-500 is also updated with racing striped leather seats, metal dash and steering wheel trim, new instrument gauges, and white shifter knob and color matched stitching. The seats are available in black with silver stripes or red with white stripes, depending on the exterior color of the car. The metal trim adds a touch of sophistication and durability to the cabin. The gauges have a blue backlight and a Cobra logo on the speedometer.
The 2010 Shelby GT-500 has a powerful engine that delivers impressive acceleration and speed. It has a 540hp (at 6200rpm), 5.4 liter, 4 valve, intercooled, supercharged, V8 engine with the Ford Racing Power Pack. The engine is paired with an improved Tremec Twin-disc clutch 6-speed manual transmission that provides smooth and precise shifting. The car also has a revised suspension system that improves handling and stability. For those who want more power and style, there is also the GT500 Shelby Super Snake option that offers performance, styling, and horsepower upgrades over the standard GT500.
The 2011 Shelby Mustang returns with both coupe and convertible versions of the GT-500. Race Red and Ingot Silver replace Torch Red and Brilliant Silver. New items include an aluminum engine block for the 5.4L V8 engine, rated at 550 horsepower and 510 ft-lbs of torque, Electric Power Assist Steering (EPAS), an integrated spotter mirror within the side mirrors, the glass roof option, and a new SVT Performance Package. This package gives you a 3.73 limited slip rear end, different 19-inch wheels in the front and 20-inch in the rear, special stripes, a unique spoiler, a special gear shifter knob, and special springs and shocks. A 45th Anniversary Shelby GT-350 in Performance White only is also available. The GT-350 Shelby conversion will be done at the Shelby shop as requested by a new 2011 Mustang GT owner. The 2011 Shelby GT500 Super Snakeoffers performance upgrades including 660, 750, and 800hp versions.
The 2012 SVT GT-500 Shelby is available in both coupe and convertible versions. New features include sun visors with a built-in universal garage door opener and optional leather Recaro sport seats with accent stripes. A total of 350 limited edition GT350s will also be produced. They will come in only three colors: Performance White with blue stripes, Race Red with white stripes, and Kona Blue with white stripes. They will have either a normally aspirated or supercharged 5.0L engine. GT350s are based on the Mustang GT body and are available in both coupe and convertible versions. The 2012 Shelby GTS is a $9995 V6 or GT upgrade offered for both the 2011 and 2012 model years as a post-title upgrade. It features engine and handling upgrades as well as a unique front fascia, stripes, and badges. The Shelby Super Snake is also available as a post-title upgrade to the GT500.
The 2013 SVT GT-500 Shelby receives a new Aluminum block 5.8L 650hp V8, new standard wheels, and new instrument panel with "Track Apps" LCD display, and a new blue exterior color named "Deep Impact Blue" (replacing Kona Blue). Also new for 2013 is the downforce-generating front grilles, aggressive splitter, new quad exhaust system and two new forged-aluminum wheels. An upgrade is the 19"x9.5" (front) 20"x9.5"(rear) "Tarnish" Painted Forged- Aluminum Wheels which are part of the SVT Performance Package. The SVT Performance Package includes TORSEN differential with 3.31 axle ratio, unique wheels, SVT Engineered Bilstein Cockpit selectable dampers, unique rear springs, and unique gear shift knob.
The 2014 Shelby GT-500 came in both coupe and convertible body styles. There were only minor differences from the 2013 model, such as the addition of standard heated seats, the removal of the unique spoiler with Gurney flap for the SVT package, and two new colors: Oxford White (replacing Performance White) and Ruby Red (replacing Red Candy). The engine had 12 more horsepower and 31 more foot-pounds of torque than the 2013 version. The GT350 also returned in 2014 in both coupe and convertible body styles.
New for 2015 are a limited run of Mustang Shelby GT350 and GT350R Fastbacks to commemorate the 50th anniversary and the original competition model of 1965. One hundred GT350 models were built, half with the Technology Package and half with the Track Package; and 37 GT350R. Under the hood is the new 526hp, aluminum block, supercharged, 5.2L Flat Plane Crank V8. There is also a Tremec 3160 6-speed manual transmission. Suspension upgrades include a MagneRide Damping System. On the grille is a GT350 snake badge. The GT350R adds performance and handling upgrades as well as deletes to save weight. See the 2016 Shelby for a detailed list.
The 2016 Mustang Shelby GT350 has a new 526hp, aluminum block, supercharged, 5.2L Flat Plane Crank V8. It also has a Tremec 3160 6-speed manual transmission. The suspension upgrades include a MagneRide Damping System. The tires are Michelin Pilot Super Sport tires. The wheels are 19" x 10.5" front and 19" x 11" rear ebony black painted aluminum. The brake upgrades include six-piston front Brembo and four-piston rear Brembo calipers mounted to aluminum hats. Other GT350 features include wide aluminum fenders, a unique aluminum hood, front and rear fascias, a splitter, rockers, and a rear valance with an integrated diffuser. There is a GT350 snake badge on the grille.
There is also a racing performance upgrade package, the GT350R, for $13K more. The GT350R additions include a MagneRide damping system; an Integrated Driver Control (IDC) system; an aluminum tower-to-tower brace; engine oil, transmission, and differential coolers; heavy-duty front springs; 19" carbon fiber wheels; Michelin pilot sport cup 2 tires (front - 305/30 ZR 19, rear - 315/30 ZR 19); a wheel locking kit; a carbon fiber rear wing; a chin splitter; and unique chassis tuning. To save weight and improve performance, the GT350R deletes the following features: rear seat, rear view camera, air conditioning, auxiliary gauges, floor mats, tire inflator and sealant kit, audio system, SYNC, and USB ports.
The 2017 Mustang Shelby GT350 has a 526hp (at 7,500rpm) 5.2L Ti-VCT V8 FPC (flat-plane crankshaft) engine under the hood. It also has a Tremec TR-3160 6-speed manual transmission, a 3.73 Torsen helical gear differential, an aluminum front bumper beam and strut-tower brace, Brembo 6-piston front and 4-piston rear calipers, a continuously controlled MagneRide Damping system, an electronic line-lock for the track, oil/transmission/differential coolers, an integrated driver control system, a launch control, SYNC 3 with a 4.2 color LCD screen, 2 smart-charging USB ports, 4-way-driver and 2-way-passenger manually adjustable front Recaro sport seats, an audio system with 6 speakers, aluminum pedals, single-zone manual air conditioning, friction aluminum dash trim, a dash gauge pack, a leather wrapped flat-bottom steering wheel, an instrument cluster with gray accents, an aluminum hood with a center vent, a dual exhaust with quad tips and active valves, front fender vents with vented inner fenders, a carbon-fiber grille, gloss black power side mirrors, a rear diffuser, and a special raised rear decklid spoiler. There is also a GT350R Package that adds unique wheels, tires, chassis tuning, a front air splitter, red accent stitching, a rear carbon-fiber wing, wheel locks, and deletes all heavy interior (not necessary) components like air conditioning and rear seats.
The 2018 Mustang Shelby GT350 has both a street (GT350) and a race (GT350R) version. Under the hood, it features a 5.2-liter, naturally aspirated, aluminum block, V8 engine that delivers 526 horsepower and 429 foot-pound torque. Other performance features include: a special flat-plane crankshaft, a unique intake manifold with large charge motion control (CMC) valves, high-lift camshafts, plasma transferred wire arc processed larger bores, a custom high flow exhaust, dual-mode rear mufflers with adjustable valves to control the sound and performance, a Tremec 3160 6-speed lightweight manual transmission, a high-strength dual-disc clutch, a TORSEN limited-slip differential (3.73:1 rear axle ratio), a higher volume water radiator, a tuned chassis system, a unique suspension with new wheel bearings, a MagneRide electronically controlled semi-active suspension, Ford Performance team designed Brembo brakes, increased steering responsiveness, performance wheels and larger tires, and aerodynamic body changes such as the front fascia, lower hood, vents, splitter, and winglets, to name a few. The GT350R has the performance deletes of rear seats, air, audio, aux gauges, rear camera, floor mats, tire fix kit, SYNC and USB port, and aux jack. The R-electronics package for the GT350R adds most of these back.
The 2019 Mustang Shelby GT350 has some new performance upgrades over the previous year. The chassis bracing is stiffer, magnetic ride control, Brembo brakes, and Michelin tires. Outside, there is a new front grille design that is mores closed and a new rear spoiler design with optional Gurney Flap. Inside there is a new 12-speaker B&O Play audio system and dual-zone automatic temperature control. The GT350 starts at $51,140. There is also a racing version, the GT500R with 19 inch ebony black-painted carbon fiber wheels with red brake calipers, Michelin Pilot Sport Cup 2 tires, carbon fiber rear wing, large front splitter, and performance deletes. The GT350R starts at $67,135.
The Shelby is back for 2020 with two models. a 529hp GT350/GT350R carry-over design and all new 760hp GT500. Options include the Handling Package, Technology Package, GT500 Carbon Fiber Track Pack, black painted roof, exposed carbon fiber instrument panel, painted or vinyl over-the-top racing stripes, Recaro seats, and vinyl side stripes. The GT500 Carbon Fiber Track Package has become known as the "Golden Ticket" due to it being limited to 1250 models allowing only 39% of the dealers to get one. The $18,500 pack includes carbon fiber accented wheels, seats, dash, GT4 track wing, and splitter wickers. Wimbledon White with blue stripes is also back on the GT350 in a limited Heritage Edition.
The 2021 Shelby follows the previous year with a 760h, 5.2L supercharged cross plane crack V8 under the unique hood with pins; unique front fascia, fender, grill and splitter unique rear valance, spoiler, and diffuser; unique wheels, Brembo brakes, composite carbon fiber drive shaft, and more inside and out. The Carbon Fiber Track Pack (previously known as the Golden Ticket), Technology Package, and Handling Package are all back. New is a Carbon Fiber Handling Package which includes new 20 inch black painted carbon fiber wheels, adjustable strut top mounts, catch can, gurney flap, splitter wickers, and wheel locking kit. New exterior paint colors are Grabber Yellow, Anitmatter Blue metallic, and Carbonized Gray metallic.
The 2022 Shelby continues with a 760h, 5.2L supercharged cross plane crack V8; Brembo brakes; aluminum front bumper beam; composite carbon fiber drive shaft; oil, transmission, and differential coolers to name a few. New to 2022 is a redesigned vinyl side stripe, 8 new exterior paint colors (Atlas Blue, Brittany Blue, Code Orange, Cyber Orange, Dark Matter Gray, Eruption Green Grabber Blue metallic, and Mischievous Purple), and a new GT500 Heritage Edition Package.
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