No, the Boos 429 will need mods for the engine to fit in the 1998 Mustang.
In 1969 ford made the boss 429, it came out with 360 horsepower stock, and 375 horsepower in race trim. All from the factory.
The "Boss 429" is a type of muscle car. It is said to currently be one of the rarest and most valued car. It is produced by the Ford Mustang car brand company.
Yes a 429 would fit into a 1969-1970 ford mustang without no engine compartment mods
it can be, but Ford made the 429 in 1968-73. There was the standard 429, Cobra Jet, and the Boss 429 built in 1969-70. Most parts are not interchangeable. The Ford engine was not a bored 400.
Ford shows 7.0 liters / 429 cubic inches
429 cubic inches (7.0 liters)
Stacey David's GearZ - 2007 Boss 429 4-12 was released on: USA: August 2010
Sorry, all Cobras ( 60's and early 70's ) had the 427 Cobre Jet engine, and it all started in 1968 427's were dohc motors ,, 428 .428,Cobra Jet , were dif ,,429 , 429 Boss , then there was 302 , 302 Boss in 69
1971 Mustang Mach 1 429 Cobra Jet was the most popular car in 1971
From the factory , the 1969 Ford Mustang was available with the 429 cubic inch V8 ( also the 428 / 390 / 351 / 302 cubic inch V8 engines )
The stock horsepower for a Ford 429 engine is 320. The Ford 429 engine was used on Ford vehicles made in the 1950s and 1960s.