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Plugs [message #301378] Wed, 01 June 2016 15:50 Go to previous message
Dan Gibb is currently offline  Dan Gibb   United States
Messages: 24
Registered: May 2015
Location: Tucson, Arizona
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Junior Member
What is the consensus for the best spark plugs and the model numbers, for the 455 with the HEI ignition?
The repair manual I have says, AC R 46SX. Any thing better now?


Dan Gibb 1977 Eleganza II Tucson, Az
 
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