1970→1970 Plymouth Road Runner HEMI


1970→1970 Plymouth Road Runner HEMI

1970→1970 Plymouth Road Runner HEMI

For the 1970 model year, Plymouth updated the Road Runner design and continued to offer the potent big block options. Both the 440 and HEMI 426 were built as a response to the Buick GNX and Mustang Boss 429.

In Detail

type Series Production Car
production years 1970 – 1970
built at USA
engine HEMI V8
position Front Longitudinal
aspiration Natural
block material Cast Iron
valvetrain Pushrod OHV
displacement 6981 cc / 426 in³
bore 107.9 mm / 4.25 in
stroke 95.300003 mm / 3.75 in
compression 10.25:1
power 316.89999 kw / 425 bhp @ 5000 rpm
specific output 60.88 bhp per litre
torque 664.40002 nm / 490 ft lbs @ 4000 rpm
redline 5500
body / frame Unitary Steel Monocoque
driven wheels RWD
transmission 4-Speed Manual

Auction Sales History

1970→1970 Plymouth Road Runner HEMI

1969 Plymouth Hemi Road Runner RM23J9A243163 – sold for $72,000 Original numbers matching Hemi. All major components are the same equipment that went into the car 45 years ago. Complete with original owners manual/broadcast sheet. Believed to be 90,005 actual miles. 1 of 166 “hemi” hardtop autos built in 1969. California car. Auction Source: Monterey 2014 by Mecum Auctions