I find it somewhat hard to believe that current iridium spark plugs, which are good for well over 100,000 miles, are less efficient than standard plugs in the same engine. I would like to see a test for mpg with iridium plugs and regular plugs for comparison.
Spark plugs - non O.E.?
Has anyone experimented with non-OE (i.e. non-Iridium) plugs in our ICEs?
It has been a long standing argument among the VW community (cars in the 2000s and newer generations) that you get (significantly?) better fuel economy with Copper plugs over Iridium at the cost of the plugs wearing out 2-3x faster.
At present I drive a lot of ICE miles, so I'd be willing to Guinea pig myself if I can determine what plugs are "compatible"
It has been a long standing argument among the VW community (cars in the 2000s and newer generations) that you get (significantly?) better fuel economy with Copper plugs over Iridium at the cost of the plugs wearing out 2-3x faster.
At present I drive a lot of ICE miles, so I'd be willing to Guinea pig myself if I can determine what plugs are "compatible"
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