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Trying to cross reference some spakre plugs

Trying to cross reference some spakre plugs

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Dunefanatic
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I am Trying to cross reference some spakre plugs marked AC 74 and AC76. Not sure if they are AC Delco. These are on a Wisconson motor. Trying to reference a contemporary replacement. Any help is appreciated.

Greg
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Sat, Mar 13, 2010 1:19 PM
SJ
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If you have a local NAPA Auomotive Parts Store they should be able to help you.
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Sat, Mar 13, 2010 9:13 PM
OldNuc
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Reply to SJ:
If you have a local NAPA Auomotive Parts Store they should be able to help you.
Check the NGK cross reference for the Wisconsin engine. Probably an AB-6 will work. I used to have a chart for those old industrial plugs but it went away and is hiding.
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Sat, Mar 13, 2010 9:36 PM
Old Magnet
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Reply to OldNuc:
Check the NGK cross reference for the Wisconsin engine. Probably an AB-6 will work. I used to have a chart for those old industrial plugs but it went away and is hiding.
Current replacement is an Autolite 3076 or ACDelco C75 or Champion W14
This is a 7/8 in (22mm) x 5/8 in. reach plug.
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Sun, Mar 14, 2010 1:16 AM
Dunefanatic
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Reply to Old Magnet:
Current replacement is an Autolite 3076 or ACDelco C75 or Champion W14
This is a 7/8 in (22mm) x 5/8 in. reach plug.
Thanks everyone for you assistance in crossing these plugs.

Pete, Your actual description sounds like them!

Again, much thanks!

Greg
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Sun, Mar 14, 2010 11:49 AM
drujinin
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Reply to Dunefanatic:
Thanks everyone for you assistance in crossing these plugs.

Pete, Your actual description sounds like them!

Again, much thanks!

Greg
I thought "almost all" Wisconsin engines had Champion D-16's listed for the correct plug. Isn't a W-14 bigger?
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Mon, Mar 15, 2010 8:27 PM
Old Magnet
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Reply to drujinin:
I thought "almost all" Wisconsin engines had Champion D-16's listed for the correct plug. Isn't a W-14 bigger?
Yes, it is bigger, the D-16 is 18mm.
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Mon, Mar 15, 2010 10:10 PM
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