Plymouth Owners Club

General Category => Technical Discussion => Topic started by: Dave123 on July 21, 2022, 11:28:12 PM

Title: 29 Plymouth U vs 31 Plymouth PA
Post by: Dave123 on July 21, 2022, 11:28:12 PM
I have a 31 Plymouth PA sedan that is restored, lately in my area there is a 29 Plymouth U sedan for sale (all there, but in quite bad shape) this one is suited for a parts car I'm afraid.
Wondering which drive line components would be usable in my PA ?
I know the intake manifold is smaller as well as the cylinder head. Bore and stroke is also different.
What about the block?
Transmission and differential?

Dave
Title: Re: 29 Plymouth U vs 31 Plymouth PA
Post by: TodFitch on July 22, 2022, 01:01:05 AM
There was a pretty big set of upgrades between the 1929 and 1930 models. Among other things, the engine gained a water pump and mechanical fuel pump. It could be that some of the running gear parts were kept over but you would need to check the parts books.

You might want to find a copy of the 1928-33 Master Parts Book. There used to be and probably still are vendors reprinting it. It is not a very friendly book with very few illustrations and they often used terms that we don't use today (who would call a brake light a "signal lamp"?). But with enough study you can figure out a lot about what the parts should be.
Title: Re: 29 Plymouth U vs 31 Plymouth PA
Post by: billboysen on September 07, 2025, 07:08:06 PM
I know this is an old post but wondering if it's still around I'm looking for a 1929 Plymouth u four-door right front fender
Title: Re: 29 Plymouth U vs 31 Plymouth PA
Post by: billboysen on September 13, 2025, 11:00:48 AM
I know this is an old post, but is there an availability of parts from that car still. Thank you.
Title: Re: 29 Plymouth U vs 31 Plymouth PA
Post by: billboysen on September 19, 2025, 11:49:17 AM
I know this is an older post. But do you think the 29 parts car is still available? Bill 612-759-9337. Thanks