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#376717 - 09/18/06 03:31 PM 1924-1942 Olds sparkplug chart
mlander Offline
Member

Registered: 08/05/06
Posts: 208
Loc: California
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]
rocketraider Moderator Offline
Long Time Member

Registered: 12/05/01
Posts: 3224
Loc: the Last Capital of Dixie
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
1964 Starfire, 1969 Toronado, 1974 Hurst/Olds, 1976 Ninety Eight

There's a Dodge K-Car and a Ford truck hiding in there too! Hey, ya gotta have something to beat around in...




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#376719 - 11/22/06 03:08 PM Re: 1924-1942 Olds sparkplug chart [Re: mlander]
mlander Offline
Member

Registered: 08/05/06
Posts: 208
Loc: California
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]
oldsmobile1915 Offline
Member

Registered: 02/20/06
Posts: 101
Loc: Geneseo, NY
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. ( 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/oldsmobile1915

Check out what has been going on in my shop with my Oldsmobiles and tell me what you think!!

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