grumpyvette Administrator Staff member Oct 6, 2008 #1 http://www.fierolt1.com/lt1_95_up_OptiReplace.htm http://www.noid.org/~muttvette/opti.html http://www.corvettefever.com/howto/16758 http://corvetteactioncenter.com/tech/c4/optispark.html
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