Need to replace the plugs in the 2008
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Registered User
Joined: Sep 2010
Posts: 13
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From: Cayuga, Ontario, Canada
Need to replace the plugs in the 2008
Can someone tell me what plugs run the best in the 3.7L engines?
I was a mechanic for years and know every mfg has one type they run the best on.
Any help would be great.
I was a mechanic for years and know every mfg has one type they run the best on.
Any help would be great.
I have heard nothing but good things about the Autolite 3923's, which is what I run. SO far so good, or I have also read on here a couple times about NGK 4644's. Don't know about them though. I am sure one of the pros will chime in...
Champion
Joined: Feb 2010
Posts: 3,686
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From: Greenfield, Wisconsin
I run the NGK 4644 V-Power plugs. Same heat range as the Autolites so basically the same plug.
Just stick with coppercore. They wont last as long as other plugs, but they perform the best. The other plugs, like platinum sacrafice performance for the longitivity of the plug. Although I havent heard how the irridiums perform.
Just stick with coppercore. They wont last as long as other plugs, but they perform the best. The other plugs, like platinum sacrafice performance for the longitivity of the plug. Although I havent heard how the irridiums perform.
