Wrong Spark Plugs?
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Senior User
Joined: Nov 2007
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From: DeWitt Ne.
Wrong Spark Plugs?
Morning all, I changed the plugs, cap and rotor in my truck last night and the plugs I took out were noticeably shorter than the ones it called for. I started it right back up and no issues but it does have me wondering. My truck is a 95 F150 with the loveable 4.9 auto. Any thoughts on why and or what the old to new plugs would do.
What I installed: Autolite 5125
What I took out: Valley Forge 14
I had also never heard of Valley Forge spark plugs.
What I installed: Autolite 5125
What I took out: Valley Forge 14
I had also never heard of Valley Forge spark plugs.
Postmaster
Joined: Aug 2005
Posts: 4,728
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From: Cleveland, TN
My guess would be someone installed the wrong plug, they were probably very cheap and the installer said "for this price I will make it work"
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Joined: Dec 2009
Posts: 1,053
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From: Calverton
Morning all, I changed the plugs, cap and rotor in my truck last night and the plugs I took out were noticeably shorter than the ones it called for. I started it right back up and no issues but it does have me wondering. My truck is a 95 F150 with the loveable 4.9 auto. Any thoughts on why and or what the old to new plugs would do.
What I installed: Autolite 5125
What I took out: Valley Forge 14
I had also never heard of Valley Forge spark plugs.
What I installed: Autolite 5125
What I took out: Valley Forge 14
I had also never heard of Valley Forge spark plugs.
I'm sure that those plugs are just fine, but Ford sold that brand name to Honeywell who also markets Fram filters. Motorcraft parts are what I try to buy, if I have deep pockets that day
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