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#1 |
Junior Member
Join Date: Dec 2018
Location: North Carolina
Posts: 6
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Has anyone else on here found '38 engine with 21 studs and 14mm spark plugs instead of the 18 mm? My engine is original to the car and the engine number as stamped on the bell housing shows it was made in the November 1937 week or two before they officially changed to 24 stud and smaller plugs.
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#2 |
Senior Member
Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
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The '38 cars would generally starting to show up in the showrooms in Sept of '37.
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#3 |
Senior Member
Join Date: Jul 2011
Location: SF Bay Area
Posts: 6,685
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Everything in your post goes counter to what is considered fact today.
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Alan |
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#4 |
Senior Member
Join Date: May 2010
Posts: 2,180
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>>>Has anyone else on here found '38 engine with 21 studs and 14mm spark plugs instead of the 18 mm?>>>
I haven't. But with a set of 18mm-14mm spark plug adapters from Amazon, i probably could find you one in my garage. 8^) Jack E/NJ |
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#5 |
Junior Member
Join Date: Dec 2018
Location: North Carolina
Posts: 6
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My info is right out of the Ford records.
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#6 |
Junior Member
Join Date: Dec 2018
Location: North Carolina
Posts: 6
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#7 | |
Senior Member
Join Date: Feb 2011
Posts: 794
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#8 |
Senior Member
Join Date: May 2010
Posts: 2,180
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>>>My info is right out of the Ford records.>>>
What Ford records? Please post a link, reference or image of these records that you have access to. Are they aluminum heads? Could be aftermarket? Jack E?NJ |
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#9 |
Member
Join Date: May 2010
Posts: 59
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If you are looking for 18mm I used Autolite 386 and they are fine. Have,nt figured out how to post a photo. easy on the HAMB but not here. Take a look at my blog and a photo of my engine,car runs like a champ! www.1948fordpickup.blogspot.ca
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#10 |
Senior Member
Join Date: May 2010
Location: southeastern Michigan
Posts: 10,145
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The DeAngelis/Francis book has the monthly engine build by engine numbers summarized from the Dearborn Engine Plant log wherein the data was posted daily. They are also available at the Benson Ford Research Center.
However, the normal numbering practice was to stamp the engine number on the transmission bell housing, not on the engine block itself. If that is the case here, you basically have no way of knowing with certainty that the engine itself is the original (unless you are the original owner and never had an engine rebuild). |
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#11 |
Senior Member
Join Date: May 2010
Posts: 4,804
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Are there any identifying marks on the heads? What are they?
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#12 | |
Senior Member
Join Date: May 2010
Location: Solihull, England.
Posts: 8,801
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It sounds like the answer to your question is no. No-one that has read your post has seen 21 stud heads with 14mm plugs. Some pictures showing what you have would be very interesting to see. Mart. |
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#13 |
Member
Join Date: Aug 2012
Location: HINCKLEY UK
Posts: 53
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D4BAC718-A918-47C5-852B-3A5514EB36F6.jpg
F4906BC9-3803-4F09-A14F-26D1297F8C79.jpgJust as a matter of interest,Ford used 14mm plugs in 1936 in the English 22hp 15 stud heads. |
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#14 |
Junior Member
Join Date: Dec 2018
Location: North Carolina
Posts: 6
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Engine number stamping and car frame stamped same number. It is original to car. Motor was made 2nd week of Nov, 1937 as a #78 just weeks before the 24 stud engines started. I got the motor records from Ford Village.
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#15 | |
Senior Member
Join Date: Jul 2016
Location: Lake worth Florida
Posts: 1,145
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![]() Quote:
Hope this makes sense . And yes ive got a couple of 21 stud lb engines with cast iron replacement heads 14mm and if I remember correctly they have what looks like a alph numerical code that looks like a D46 . |
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#16 |
Senior Member
Join Date: May 2010
Posts: 4,804
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Suggest you get a copy of the Early Ford V8 Club of America 1938-39 restoration manual. It can answer many questions. the book is sold on their web site.
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