HowMuch Did a 1971 Boss 351 Mustang Originally Sell For?. A new 1971 Boss 351 Mustang stickered at $4,124, $1,000 more than a base Mustang SportsRoof. That may not sound like a lot today, but in ...

The Boss 351 was part of what must have been the largest Boss 351 collection in the world, owned by Kim Miller in Minnesota, who had amassed 16 Boss 351s along with a pair of Boss 429s, ...

Though the Boss 351 originally came with an Autolite 4300-D carburetor, our testing was run with the same 750-cfm HP Holley carb used on the Boss 302. See All 23 Photos ...

The Boss 351 engine (R-code), confusingly dubbed HO in some Ford brochures, was based on the already formidable 351C four-barrel. However, Blue Oval engineers gave it a long list of upgrades, ...

The real difference-maker was nestled between the Boss 351's front shock towers. Though it displaced 351 cubic inches (5.8 liters), like the other Ford 335-series Cleveland V8s available on the ...

As a well-integrated package, the Mustang's 351 V8 option included its special Boss 351C Ram Air engine, a 4-speed manual transmission, power disc brakes, Ford's Competition Suspension system, a 3 ...

The 1971 Boss 351 was a replacement for the already rowdy and famous Boss 302. That car, so-named because of its 302-cubic-inch engine, gave way to the 351 with its larger Cleveland V-8.

The Boss 351 was only available for the year 1971 and was slotted under the Boss 429. As the name suggests, it features a 351 cubic inch V8 engine, mated to a 4-speed manual transmission sending ...

The 351 heads were based on the Cobra R heads, and O’Neill and crew attached the engine to a T56 Tremec six-speed manual, a Ford 9-inch rear end and a rear axle with a 3.83 final drive.

My Car Story With Lou. Lou Revs the Legendary '71 Boss 351! Posted: June 18, 2025 | Last updated: June 18, 2025. Lou Revs the Legendary '71 Boss 351!

The Boss 351 block is suitable for use in race cars and street rods. It carries a sticker price of $1,999. The Boss 351 can handle displacements from 351 to more than 460 cubic inches.

Tested: 1971 Ford Mustang Boss 351; 6 Generations of Mustangs We Loved (and Hated) Two slightly worn crash helmets are produced from the back seat, one for Donner and one for our technical editor, ...