Thanks, Dave. That IS helpful and I will definitely look for those numbers. The FP-31 and the P-31 also sound very logical. Roger -----Original Message----- From: Dave Stragand <dave.stragand@xxxxxxxxxxx> To: L-FORWARDLOOK@xxxxxxxxxxxxx <L-FORWARDLOOK@xxxxxxxxxxxxx> Date: Sunday, September 06, 1998 9:45 PM Subject: Re: [FWDLK] '56 Plymouth Manual >Roger Howard wrote: > >> On p. 4 of same manual, there is a data chart. My car is a >> p-31 for which either engine was available. I know on the 59's, the engine >> block has a number that starts 31, meaning it is a 318. Does anybldy know >> how to decode an engine block number from 57, please? Roger, near Seattle > >Please jump in and correct me if I'm wrong, but... > >I believe there was also a 277 Plymouth engine that year, too, although I think >it may only have been offered in the Plaza. For '57, the MODEL designation was >"P31". This changed in 1958 to "LP", then "MP" for 1959. > >As I understand it, for the 1957 blocks, if it was a 318 (the "Fury" block), the >serial number would start with "FP31...", with the "F" standing for "Fury". I >think the only way to tell if a "P31" block is a 277 or a 301 is to crawl under >the driver's front corner of the car, and look above the motor mount on the >front underside of the block. The size is stamped there, I understand. > >-Dave > |