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Help Wanted ID-ing 1955 Flathead 6 cyl Engine: Canadian?
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keithb7
Posted 2019-06-19 12:48 AM (#583684)
Subject: Help Wanted ID-ing 1955 Flathead 6 cyl Engine: Canadian?


Member

Posts: 6

Location: Western Canada
Hi folks, I own a flathead 6 engine. I am trying ID exactly what car it came out of. The engine SN is D54-214779C. It is a 25" long block. I measured the stroke and it is 4 1/2". I have not pulled the head yet to determine bore, however from what info I have gathered I suspect it is 3 3/8". I have reason to believe this is a Canadian built engine. Not many USA build Moapr engines have 4 1/4" stroke. Nor are they 25" long I believe. I have seen the D54 engineering code listed as a 1955 Dodge car.

Looking at a Canadian shop manual I have here for 1953-1954 years they show a 228.12 ci engine with a 4 1/4" stroke. It is used in many cars from those years. I suspect this same engine was carried over to 1955.

My engine is likely from a car only offered in Canada maybe? I am not sure what car this engine would have been in. I am hoping someone can help me figure this out.
Does anyone here have a 1955 Canadian Dodge car with a D54 engine SN? Thanks in advance. - Keith
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56D500boy
Posted 2019-06-19 2:06 AM (#583692 - in reply to #583684)
Subject: RE: Help Wanted ID-ing 1955 Flathead 6 cyl Engine: Canadian?



Expert

Posts: 4776
20002000500100100252525
Location: Lower Mainland BC
I have read a lot about the Canadian engines, e.g. 303 Plymouth engine in the 56 Canadian Custom Royal, and the 25" flat head sixes in all the 1955-?? Canadian Mopars (with sixes). A D54 is most likely a 55 Canadian Dodge Regent engine. From page 16-2 of the 55-56 Canadian all makes service manual, there were two flavours of D54 flat head sixes: The 228 cu in with the 3.38" bore and 4.25" stroke used with the manual transmission cars and the 250.1 cu in with a 3.44" bore and 4.50" stroke used with the Powerflite 2 spd automatic.

Hope that helps for now.

Bill Watson (Chrycoman) will correct any errors that I have made.

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keithb7
Posted 2019-06-19 9:18 AM (#583704 - in reply to #583684)
Subject: Re: Help Wanted ID-ing 1955 Flathead 6 cyl Engine: Canadian?


Member

Posts: 6

Location: Western Canada
Thanks. I had this the manual tranny 1955 Regent on my list of potential cars. Looking around the internet, I see to no listings for parts for this 228 ci engine. Wondering Where all the parts went? Or what folks do to maintain these Canadian engines. Maybe they don’t
and pull ‘em out?

Edited by keithb7 2019-06-19 9:42 AM
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56D500boy
Posted 2019-06-19 10:52 AM (#583712 - in reply to #583704)
Subject: Re: Help Wanted ID-ing 1955 Flathead 6 cyl Engine: Canadian?



Expert

Posts: 4776
20002000500100100252525
Location: Lower Mainland BC
keithb7 - 2019-06-19 6:18 AM

Thanks. I had this the manual tranny 1955 Regent on my list of potential cars. Looking around the internet, I see to no listings for parts for this 228 ci engine. Wondering Where all the parts went? Or what folks do to maintain these Canadian engines. Maybe they don’t and pull ‘em out?


Keith: I have a Mopar guy local to me out here in BC (Lower Mainland) that has 100,000 NOS parts, some of which are for the 25" Canadian flat head sixes.

Check your private messages here for my email address.

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Chrycoman
Posted 2019-06-23 9:10 AM (#583924 - in reply to #583684)
Subject: Re: Help Wanted ID-ing 1955 Flathead 6 cyl Engine: Canadian?



Expert

Posts: 1760
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Location: Vancouver, BC

The 1955 Dodge D54 (Crusader 6, Regent 6, Mayfair 6) had a choice of two engines :

with a 4.375" bore with 4.25" stroke - 228.1-cid - used in cars with manual transmission. (Engine numbers start with D54 and end with C)

with a 4.437" bore with 4.50" stroke - 250.1-cid - used in cars with Powerflite automatic transmission. (Engine numbers start with D54 and end with CX)

The same engines Dodge used were available in a 1955 Plymouth (Plaza 6, Savoy 6, Belvedere 6) - P25 engine prefix.

1955 was the last year Chrysler of Canada used the 228.1-cid block. It was used on Canadian-built 1942-1950 Dodge Custom and 1951-52 Dodge Coronet models. 1937-1942 DeSoto also used the 228.1. Dodge and Fargo Trucks also used the 228.1 engine in various years.

Plymouth and the Plymouth-based Dodge in Canada adopted the 228.1 engine in mid-year when Hy-Drive was introduced. The only trick about the Hy-Drive models is that the engine and torque converter shared oil. Both the engine block and the bell housing were plumbed to have the oil pumped out from the engine to the torque converter and then returned to the engine. The manual transmission models had a normal oil supply. Hy-Drive was an option through 1954.
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