Originally posted by Exhaust Etc
i think they fixed the problem in 02. From what Rich D told me, the problem is caused by the lack of threads for the plugs in the heads. Over time they back out and eventually launch threw the head due to compression force. in 02 they added more threads and the problem has been solved, aparently.
Id still put some NGK's in there if your gonna install a pulley.
What he said - Densos are a good plug too but more expensive. I have the IT22's.
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Current Rides: 2001 BMW 540i, 2002 BMW 330i (wife's car)
Previous Rides: 2001 Saleen Mustang SC Speedster Convt, 95 Mustang GT w/ Built 331/Vortech S Trim - 550rwhp, 93 Mustang LX Procharged 400rwhp, 99 SVT Lightning 475RWHP