my experience is that the +4 suck twice as much as the +2
I have the +4 in my car currently (lapse of logic). I need to get some ngk, I'm just too lazy to switch the plugs.
why do they suck you ask? The same reason a splitfire sucks, electricity searches for the shortest path, so you only ever use one lead anyway, one spark at a time all the time.
I'm probably wrong now...
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'95 SVX L - Laguna blue 126,000+ miles
'89 XT - some sort of sun bleached blue
'00 Hyundai Sonata- charcoal gray (hers)
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