What was the real HP of the Boss 429?
1969 Ford Boss 429 BOSS 429 The Boss 429 engine used a single Holley four-barrel carburetor rated at 735 CFM mounted on an aluminum intake manifold. All these cars had 4-Speed Manual Transmissions and the Boss was rated very conservatively at 375 HP while actual output was believed to be well over 500 horsepower.
What did the Boss 429 come in?
The Boss 429 Mustang is a high performance Ford Mustang variant that was offered by Ford in 1969 and 1970.
Why is Boss 429 called shotgun?
The Boss 429’s massive heads were loaded with 2.28-inch intake and 1.90-inch exhaust valves. It was because of these heads that the engine was nicknamed “Blue Crescent,” a nod to the crescent-shaped “semi-hemi” combustion chambers, and “Shotgun,” a reference to the huge ports.
Did the Boss 429 ever run in NASCAR?
But something got lost in translation between track dominance and street swagger. The Boss 429 was a Mustang designed to compete with Corvettes, rather than Camaros. It had an engine, homologated for NASCAR, shoehorned into a body that wasn’t running in NASCAR.
What is a Boss 429 Mustang?
Unsourced material may be challenged and removed. The Boss 429 Mustang is a high performance Ford Mustang variant that was offered by Ford in 1969 and 1970. Engine builder Jon Kasse currently reproduces the cylinder heads that make up the “boss 9” engine architecture.
How long did the Boss 429 stay in production?
While the Boss 429 would only remain in production for two years, its legacy remains. The iconic Mustang would feature one of the largest big-block engines ever utilized by Ford in a production vehicle. This engine would later find success within NASCAR competition when placed in the Ford Torino.
What was the first Boss Mustang to come out?
Like Knudsen, Shinoda was a certified gearhead and together they would create what would become arguably the greatest and most desirable Fords of all time — the Boss Mustangs. THE first of the Boss Mustangs to roll off the line on 15 January 1969 was the 429.
How many 1969 Boss 429 Cougars were made?
In 1969 there were 859 Boss 429s made by Ford Motor Company, two of which were Cougars for the Lincoln/Mercury Race Division.