Just got a 96 Z28..........
08-16-2013, 01:09 PM
#21
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Platinums are ok, but I personally stay away from iridium. With higher horsepower engine you can start to have problems with the spark on an iridium plug. Copper plugs tend to have the best spark performance, but need to be changed out more often, which obviously can start to suck for us.
