Thread: 427 spark plug
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Old 04-14-2004, 08:16 PM
seeyaa seeyaa is offline
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Default 427 spark plug
Can anybody tell me the correct spark plug for an orignal 427 s/o standed bore. I am running autolite AR3934 and need to go to a hotter plug.This plug is the hottest for autolite AR series,if I know the orignal I can switch plugs to accomplish this.
Thanks In Advance
Richie G
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