The Plymouth Road Runner, which debuted in 1968, was a latecomer to the midsize muscle car party. But it slammed the door open with a thud, the roar of the 426-cubic-inch Hemi and 440-cubic-inch (7.0- and 7.2-liter) V8 engines tearing it down.
However, when new emission regulations hit the car market in 1972, power ratings dropped and quarter-mile times increased. That same year, the 426 Hemi went down in history. This 1972 Road Runner is from that unfortunate era, but under the hood is a monstrous Indy Hemi engine.
Well, "hide" might not be the best word here because that high-mounted blower is a dead giveaway as to what's under the hood, but the Road Runner's appearance is deceiving. This is due to the fact that this Mopar isn't supercharged.
Don't be fooled by the blower; the Hemi that powers this muscle car is all-motor. It also produces a whopping 1,100 horsepower
You may wonder how that is possible without forced induction. So, you know how they say there's no substitute for displacement? This vehicle exemplifies this point perfectly. That Indy block started with 572 cubic inches (9.3 liters) of displacement and was stroked to 605 cubic inches (9.9 liters).
When combined with a slew of race-spec upgrades, the Hemi has the potential to produce more than 1,000 naturally aspirated horses. Doggone it, it's hot.
And this build is of the vintage variety. Under the shell, there is no computer or anything high-tech.
It does, however, ride on a radically altered rear end with modern suspension. Something to assist the engine in putting all of its power to the ground and running in a straight line down the quarter-mile.
Yes, this Road Runner is still street legal and has the factory interior (along with a roll cage), but it also spends a lot of time at the drag strip. And it's safe to say it does the quarter-mile in under nine seconds.
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