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Dating engine from serial number

Old Marine Engine » Gray Marine Gas Engines - 4, 6, and 8 cylinder » Dating engine from serial number « Previous Next »

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NWH
Member
Username: oldyankeebarn1390

Post Number: 5
Registered: 07-2007
Posted on Thursday, June 05, 2014 - 02:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

We are rebuilding/restoring/refurbishing C.C. Galbraith 17' runabout (looks like a Lyman) with a Gray Marine Phantom Six - 104, S/N D-7842. Can anyone tell me the age of the engine? Where can I obtain a manual for same? Where to obtain parts? Where can I obtain information about the boat? I do know that it was manufactured in Keyport, N.J.

Thank you for any and all help.
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Jim Anderson
Member
Username: jimanderson

Post Number: 28
Registered: 07-2011
Posted on Thursday, June 05, 2014 - 04:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The D in the serial number means it was built in 1946, 47, 48 or 49. I have some literature for Gray Marine engines and I will look to see if any of it relates to the Six-104.
Jim Anderson
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Jim Anderson
Member
Username: jimanderson

Post Number: 29
Registered: 07-2011
Posted on Friday, June 06, 2014 - 07:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I have owners manuals for the years I posted but they are used and are not engine-specific. They cover 4 and 6 cyl Gray Marine engines.
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woody baron
New member
Username: woody409

Post Number: 1
Registered: 08-2014
Posted on Sunday, August 24, 2014 - 06:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I have bought a new old century boat...it has a 135 gray marine 6 cylinder engine...with the serial number G18252 on the top....i dont know the year of the boat yet..(no title) nor can i find numbers on it..but if i can get the year of the engine thad be great! its original to the boat.. and im having trouble finding any lists for engine years anywhere online...}
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Bruce Hall
Senior Member
Username: bruce

Post Number: 443
Registered: 07-2002
Posted on Sunday, August 24, 2014 - 08:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

G prefix serial numbers run 1954 through 1956. Try centuryboatclub@sbcglobal.net or Google it
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Bruce Hall
Senior Member
Username: bruce

Post Number: 444
Registered: 07-2002
Posted on Sunday, August 24, 2014 - 09:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

centuryboatclub.com does a good job showing locations of serial numbers for various Century models and years. Is yours a 16 ft Resorter model- serial number begins with letter M ?
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Jim Staib
Senior Member
Username: drrot

Post Number: 174
Registered: 09-2008


Posted on Sunday, August 24, 2014 - 11:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Gray info is posted at http://www.finewoodboats.com/Gray.htm
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Bill Jones
New member
Username: 49willard

Post Number: 1
Registered: 11-2014
Posted on Thursday, November 20, 2014 - 07:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I am new to the forum and am following up on questions asked by NWH. We have test run the engine on a test stand, it sounds good with good compression, a good day! I would like to follow up on the posting by Jim Anderson indicating that he had copies of Gray manuals that covered the immediate post war years (46.47 and 48). How can I establish direct contact with Jim?
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Bruce Hall
Senior Member
Username: bruce

Post Number: 460
Registered: 07-2002
Posted on Thursday, November 20, 2014 - 10:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Bill, Click on Jim's name in the message header and his e-mail address is included in his profile
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Pete Oquist
Member
Username: 1955_century_resorter

Post Number: 9
Registered: 08-2010
Posted on Thursday, November 20, 2014 - 10:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Bill, SN D-7842 indicates it is a Gray Marine Model 104,and as Jim said it was made in 1946 thru 1949. I have a copy of a service bulletin if you would like, listing all the gray marine serial numbers, etc
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Bill Jones
New member
Username: 49willard

Post Number: 2
Registered: 11-2014
Posted on Thursday, November 20, 2014 - 01:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thank you Bruce and Pete for your responses, this appears to be a great forum! I am communicating with Jim Anderson concerning a manual.
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Bruce Hall
Senior Member
Username: bruce

Post Number: 461
Registered: 07-2002
Posted on Thursday, November 20, 2014 - 02:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Bill, This site has manuals available for various engines from site administrator Andrew Menkart. Purchases help defer the cost of hosting this great site...

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