Spark plugs
03-05-2013, 02:03 PM
#1
scottish rumble
Thread Starter
Spark plugs
I recently bought spark plugs for my f150 5.4 triton 4x4 non supercharged
I have motorcraft plugs sp-471 which are for supercharged models lightning and hd
Would these still work ok on my engine or is it better getting the other plugs for it
I have motorcraft plugs sp-471 which are for supercharged models lightning and hd
Would these still work ok on my engine or is it better getting the other plugs for it
03-05-2013, 02:24 PM
#2
Mark
iTrader: (1)
Get the correct plugs SP-515
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Billy whizz (03-05-2013)
03-05-2013, 04:14 PM
#3
Since we're on the subject I'm not sure I have the correct heat range plugs for my lightning. I'm using NGK TR-6 iridium. It's no longer stock. I kina guessed at the heat range. So any help would be much appreciated. Thanks in advance.