hey i baught a 90 300zx tt it was mint until i blew the stock clutch . so i went to my mehcnaic he claimed to be really good with nissans and he suggested the dual friction clutch by center force. [ http://www.performanceintl.com/centerforcedual.html ] so its cost was$800 total was $1700 picked it up 1 1/2 days blew the clutch WTF !!! what would you do ?