RW> MH> I didn't know that the Hemi engines had two spark plugs per cylinder.   
   RW> MH> I do know that when you eventually change the plugs, they typically   
   RW> MH> replace the coils at the same time.  Can be a bit on the expensive   
   RW> MH> side..   
      
   RW>Figure $112 for a double set of platinum plugs and about $50 per coil.   
   RW>Ford uses a coil-on-plug setup that also requires replacement at plug   
   RW>change time. At least they don't have to worry about replacing plug wires.   
   RW>Sometimes those Ford coils die long before the plug is worn out.   
      
   That is not to bad fro a good plug. Fro my Chev S-10 V-6 I paid $17 Each   
   for a set of Iridium plugs when I got the Coil and Wires replaced. Then   
   I dumped the truck when anothetr problem surfaced, Intermetent NON start   
   problem, as I was tired of dumping money into it.   
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