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1924-1942 Olds sparkplug chart


mlander
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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

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  • 2 months later...

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-----------------------------

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