[Moore, John] For me, the plug depends on the car. In My 93 MR2, I tried
using the stock NGK Triple Platinums and found that the car lacked some
power with them, although it did make it idle really smoothly. I went back
to using the NGK copper plugs that the previous owner had put in, but one
heat range colder since the plugs where starting to get "scorched". I
haven't had any problems since. The car idles a bit rougher though.
In my Sentra SE-R, I tried the NGK copper's, but in the stock heat
range, but the plugs looked like crap after only a few days (white tip with
scorched ceramic). I put in the stock NGK-R platinums and the car increased
in power and the plugs look perfect even after 2 months of
driving/autocrossing.
John Moore
1991 Nissan Sentra SE-R (STS)
1993 Toyota MR2 NA (CS)
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