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Joined: Dec 2001
Posts: 73
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Dec 2001
Posts: 73 |
Hi All
I know there are posts below but I thought the correct plug for a 28 four cylinder was an AC spark plug. Can anyone out there tell me what the CORRECT original spark plug was for the 28 and what is a suitable service replacement for this plug. I am currently using an AC C-77 plug. Is this a good "modern" plug ? Please educate me !!!!
thanks
mromano
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Correct plug for the 1928 would be the old type AC 78S. The AC C-77 is an acceptable substitute. The AC 78S plugs sell at a premium price. There are several plugs that can be used, to include modern plugs with an adaptor that is available. 
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
Actually the AC 78S is a replacement plug for the original AC Z plug.
How Sweet the roar of a Chevy four!
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Joined: Nov 2001
Posts: 273
Backyard Mechanic
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Backyard Mechanic
Joined: Nov 2001
Posts: 273 |
That is a Z plug with a Z on the box but not on the plug. But remember the early 1928 engines came from the factory with the B on the box but not on the plug.
kenk
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