A timeless classic. Developed by Carroll Shelby from the original AC Ace which used a 2.6L Zephyr. American ex-racing driver Shelby, asked AC if they would build him a car modified to take 4.2L engine built by Ford. They did, and so the 427 (Mark I) was born.
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The first 75 Cobra Mark I (including the prototype) were fitted with the 260 engine (4.2 L). The remaining 51 Mark I model were fitted with a larger version of the Windsor Ford engine, the 289 in³ (4.7 L) V8. In late 1962 Alan Turner, AC’s chief engineer completed a major design change of the car’s front end and was able to fit it with rack and pinion steering while still using transverse leaf spring suspension. The new car entered production in early 1963 and was designated Mark II. The steering rack was borrowed from the MGB while the new steering column came from the VW Beetle. About 528 Mark II Cobras were produced to the summer of 1965 (the last US-bound Mark II was produced in November 1964).
By 1963 the leaf-spring Cobra was losing its supremacy in racing. Shelby tried fitting a larger Ford FE engine of 390 in³. Ken Miles drove and raced the FE-powered Mark II and pronounced the car was virtually undrivable, naming it “The Turd.” A new chassis was developed and designated Mark III.
The new car was designed in cooperation with Ford in Detroit. A new chassis was built using 4″ main chassis tubes (up from 3″) and coil spring suspension all around. The new car also had wide fenders and a larger radiator opening. It was powered by the “side oiler” Ford 427 engine (7.0 L) rated at 425 bhp (317 kW), which provided a top speed of 163 mph (262 km/h) in the standard model and 485 bhp (362 kW) with a top speed of 180 mph (290 km/h) in the competition model. Cobra Mark III production began on 1 January 1965; two prototypes had been sent to the United States in October 1964. Cars were sent to the US as unpainted rolling chassis, and they were finished in Shelby’s workshop. Although an impressive automobile, the car was a financial failure and did not sell well. In fact to save cost, most AC Cobra 427’s were actually fitted with Ford’s 428 in³ (7.0 L) engine, a long stroke, smaller bore, lower cost engine, intended for road use rather than racing. It seems that a total of 300 Mark III cars were sent to Shelby in the USA during the years 1965 and 1966, including the competition version. 27 small block narrow fender version which were referred to as the AC 289 were sold in Europe. Unfortunately, The MK III missed homologation for the 1965 racing season and was not raced by the Shelby team. However, it was raced successfully by many privaters and went on to win races all the way into the 70’s. Interestingly, 31 unsold competition cars were detuned and made road worthy and called S/C for semi-competition. Today, these are the rarest and the most valuable models and can sell for in excess of 1.5 million dollars.
This unique illustration has been published as a limited edition print of only 850. Each one is signed and numbered by the artist, and dispatched in a sturdy tube with FREE WORLDWIDE SHIPPING.
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Incredibly detailed works of art.
