The Forgotten Shelby That Beat Ferrari While The 427 Roadster Stole The Glory
Before the legendary Shelby name graced the Ford Mustang, another model brought glory and American pride to the moniker by embarrassing the Ferrari 250 GTO on its own soil. In this story, I may scoff at the Cobra 427 Roadster, but bear with me. There is a rare Shelby model stuck in the Roadster’s shadow despite doing what the historic racecar couldn’t pull off. While the open Cobra Roadster has historic importance, it faced critical limitations that prevented it from dominating European circuits.
The Cobra 427 Roadster Couldn’t Cut It
That headline sounds harsh, but it is true. The Open Shelby Cobra 427 Roadster is incredibly fast, but it also struggles against heavy aerodynamic drag and front-end lift on high-speed European straightaways like the ones found at Le Mans. As a result, it had trouble completing the goal of dominating the Ferrari 250 GTO.
Plus, it has snap oversteer as it pairs immense torque with a short, 90-inch wheelbase. There is significant rear snap oversteer under hard throttle. Also, the standard open differentials spin a single, tractionless wheel mid-cornering, causing the lockers or aggressive setups to suddenly snap the tail out.
Its aggressive feedback and heavy steering loads disrupt the chassis over rough track surfaces, and side-exhaust pipes run against the side of the cockpit, allowing extreme heat to infiltrate the footwells and floorboards. While drivers face the heat, they also fight open-air cockpit turbulence and intense cabin buffering at high speeds, which is exhausting.
The Shelby Cobra Daytona Coupe Was Born To Dominate Ferrari
The Shelby Cobra Daytona Coupe was designed to solve the Roadster’s problems with revolutionary aerodynamic styling and a modified tubular ladder frame. It has a Kammback tail and flat rear end to drastically reduce drag. Its chopped roofline with a curved windshield boosts its speed by about 20 mph compared to Roadster models with the same engine power.
High-speed lift is prevented by its extended fastback shape. Plus, the steering and driver positions were relocated to improve the center of gravity and to allow drivers to fit under the curved roof. It maintains a lightweight vehicle mass of about 2,200 to 2,300 lbs for an optimized power-to-weight ratio.
It features a Ford 289 cubic-inch (4.7-liter) Windsor V8 engine with 385 horsepower and 340 lb-ft of torque. This Shelby Coupe accelerates from 0 to 60 mph in about 4.4 seconds and completes a quarter mile in roughly 12.2 seconds with a top speed of 196 mph, while the Roadster was limited to about 140 mph.
Meanwhile, the 1965 Ferrari 250 GTO packs a punch with its 180.2 cubic inch (3.0-liter) Colombo V12 engine with 300 hp. This Italian exotic can accelerate from 0 to 60 mph in about 5.4 seconds and features a 13.1 quarter-mile time with a top speed of 174 mph. It made Enzo Ferrari proud.
The Shelby Team Dismissed Brock’s Ideas
Peter Brock was the designer behind the Shelby Cobra Daytona Coupe’s aerodynamic styling, and the Shelby team wasn’t into it at all. The team ridiculed the idea from the start and mocked the design for first being scribbled on a napkin. Veterans in Carroll Shelby’s shop crew called it an ugly joke for breaking away from the Roadster shape after it won races.
The design was laughed at as it was seen as impractical and unstable. Mechanics and fabricators didn’t believe that the aerodynamic theory would improve the car’s overall speed without improving raw horsepower. Brock defended his design by providing pre-war aerodynamic research papers from European studies. But that wasn’t enough — it wasn’t until racing legend Ken Miles backed the idea.
He understood the math and stood by Brock, convincing the rest of the team to go ahead and build the prototype. Miles was very enthusiastic about it, and the prototype was built in about 90 days on a salvaged chassis. When the crew first saw the completed design, they were completely silent — until Carroll Shelby said, “I don’t give a s**t what it looks like. Is it going to be fast?”
The Shelby Cobra Daytona Coupe Proved Everybody Wrong
Being ugly doesn’t mean you’re slow. Ken Miles tested the coupe at Riverside Raceway and proved the skeptics wrong by shattering his previous Cobra Roadster lap record by a significant margin in only 12 laps. He called it a rocket ship as it hit 183 mph on the back straight, further proving its potential.
It embarrassed the Ferrari 250 GTO on July 4, 1965, by securing the FIA Sports Car World Championship with a class victory at the Reims circuit in France. This was a massive patriotic win as it was the first American manufacturer to win the FIA International Championship for GT manufacturers.
The Shelby Cobra Daytona Coupe got its first victory during the 1964 Sebring 12 Hours then got another GT class victory at the 24 Hours of Le Mans. It also won a GT class victory at the 1965 24 Hours of Daytona and received numerous 1965 European endurance wins. This car broke multiple endurance speed records and achieved consecutive wins.
Only Six Models Were Ever Built
Perhaps this Shelby model is being forgotten because it only existed in small numbers. One model was made on American soil in California, then another five were built in Italy and bodied by Carrozzeria Gransport in Modena, basically in Enzo Ferrari’s backyard. Ferrari had no idea what was happening right under his nose.
A homologation rule change by the FIA at the end of 1965 required a minimum production of 100 models to be allowed to race in the international GT class. Unfortunately, the Shelby Cobra failed to meet this figure and was barred from the competition. Also, it didn’t need to remain in production as it had already met its goal by embarrassing Ferrari.
On top of that, Ford redirected Carroll Shelby’s team and resources toward building the Ford GT40 for international endurance racing. It also got the job done and is mostly famous for its 1-2-3 podium sweep at the 24 Hours of Le Mans. However, it doesn’t have a patriotic underdog story to celebrate like the Shelby Cobra Daytona Coupe.
Source: Fastest Laps, Hagerty, Shelby American, Ford
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