Anybody running the new E3 spark plugs on their engine?
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Today I purchased the new E3 plugs for my 98'Z28 just thought I try them out after I viewed them on horsepower tv show where tested these out on a either a old chevy or the ls engine and ran a whole lot cleaner and also gained hp just waiting to get some new wires for the the Z as well. If anybody is running them let me know how they run.