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#376717 - 09/18/06 03:31 PM
1924-1942 Olds sparkplug chart
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mlander
Member
Registered: 08/05/06
Posts: 208
Loc: California
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AC OLDSMOBILE SPARKPLUG SPECIFICATION CHART
1945 ISSUE Passenger Cars- 1924-1942
Oldsmobile ?Model 30??????????.?..76S
All others thru 1927...............................77
1928 thru 1936???????????????.?86
1937-38-39-40????????????????.45
1941-42?????????????????..?....44
M.L. Anderson
Edited by mlander (10/26/06 02:13 PM)
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#376718 - 09/18/06 10:08 PM
Re: 1924-1942 Olds sparkplug chart
[Re: mlander]
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rocketraider
Long Time Member
Registered: 12/05/01
Posts: 3112
Loc: the Last Capital of Dixie
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An excellent technical post! Thank you mlander! Now to figure out how to keep it visible and not get lost in the shuffle...
Folks- we need more of this type stuff. If you have info like this for ANY YEARS Oldsmobile, please feel free to post it.
_________________________
Glenn Williamson
Rocketraider
member AACA and all major Olds clubs
"That's a strange concept, Son" said my father as he sampled the day's run of silvery-clear moonshine for taste and quality. "Good 'shine, that. Your grandpap would be proud that the gift has passed on to another generation. But yes, it's real strange that some folks feel like a varmint has more right to illegally inhabit and destroy your property than you have to prevent it from doing it."
"Come to think of it, that's why your Uncle Reade sold off all them rental houses he had. It was costing him more to fix what the varmints tore up than he was making off 'em. And the govamint wouldn't let him evict them."
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#376719 - 11/22/06 03:08 PM
Re: 1924-1942 Olds sparkplug chart
[Re: mlander]
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mlander
Member
Registered: 08/05/06
Posts: 208
Loc: California
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This is to add to the chart above but is only about 18mm by 1/2" reach sparkplugs and to sparkplugs made after 1937 when AC changed their numbering system to the one shown.
Ml.L. Anderson
CHAMPION------ CHAMPION-------AUTOLITE------AUTOLITE-------DELCO AC--------DELCO AC-------
NEW-------------EXTENDED-------NEW-----------EXTENDED-------NEW------------EXTENDED-------
18mm BY---------CORE-------------------------- CORE--------------------------- CORE------------
½? REACH--------NOSE---------------------------NOSE----------------------------NOSE------------
----------------------------------373------------------------------C 81----------------------------
D6------------------------------- 373--------------------------------------------------------------
D9------------------------------- 373------------------------------C82-----------------------------
D9--------------------------------373------------------------------C83-----------------------------
NONE-----------------------------386------------------------------C85-----------------------------
NONE---------------------------------------------3116-----------------------------C85S------------
NONE------------D15Y----------------------------3116----------------------------------------------
D16-------------------------------386------------------------------C86-----------------------------
NONE------------D18Y----------------------------3116----------------------------------------------
D21-------------------------------386------------------------------C87-----------------------------
D23-------------------------------386------------------------------C88-----------------------------
Edited by mlander (11/23/06 02:26 PM)
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#435618 - 07/16/07 08:32 AM
Re: 1924-1942 Olds sparkplug chart
[Re: mlander]
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oldsmobile1915
Member
Registered: 02/20/06
Posts: 95
Loc: Geneseo, NY
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I know for the 238 cu in inline 6 cyl (I believe the same engine was used 1937-1949) used AC R45 spark plugs. That's what's in my 1948 Dynamic 66. ( http://www.geocities.com/oldsmobile1948 )
Best,
Joe Ferrero
Edited by oldsmobile1915 (07/16/07 08:32 AM)
_________________________
Joe Ferrero Geneseo, NY P.S. If I havn't told you about my new website, please check it out at: http://www.geocities.com/oldsmobile1915Check out what has been going on in my shop with my Oldsmobiles and tell me what you think!!
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