1972 Plymouth Road Runner
The Road Runner received a redesigned rear bumper and side markers along with electronic ignition, 60 series tires, and a rear sway bar. The front bumper now had two vertical slots for the bumper jack and the Road Runner received a new grille. Due to increasing emission standards, the 383 V8 and the 426 Hemi were dropped. A new 400 cid V8 was introduced, rated at 255 bhp. The GTX was now available as an option on the Road Runner and came only with the 440 engine. Power ratings on all engines looked much lower on paper due to the new SAE net measurement system. The famed 426 Hemi was gone for 1972, and less than five 440 Six Barrels were produced. Production:
2D Hardtop: 7,628
Engines:
340 V8 240 bhp. (SAE Net)
400 V8 255 bhp. (SAE Net)
440 V8 280 bhp. (SAE Net)
440+6 V8 330 bhp.(SAE Net)
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