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what is the firing order for a 1970 Plymouth roadrunner with a 383 engine
It was an option
Plymouth-Canton Educational Park was created in 1970.
Try www.nada.com
look on manheimgold.com.
They did, in 1970 by Plymouth.
212
With a positrac, both axles turn simultaneously, on limited slip differential, one wheel has to spin hard enough to engage the gearing inside the differential to "toss" the drive to the other axle. On positrac, both axles turn under power, with limited slip, only one axle turns at a time.
the duster came out in 1970.
D78-14
280hp in the 383 engine