For Sale 1957 Plymouth 4 DR sedan - $2500 (Vinita)

[1970cat]

https://tulsa.craigslist.org/cto/5026571349.html

57 4 dr Plymouth V-8 push button 2 speed automatic, complete car , running when parked. have all or most of the chrome in car . see pics,

 

[bluefury361]

Looks like it has the power pack 318, rare with a powerflight trans.

 

[Joe Sportone]

Looks like it has the power pack 318, rare with a powerflight trans.

How do you tell the 318 power pack from a 301 (more commonly mated to the power flight?)