I have a 1998 GTS 6sp. which I imported in 2000. The car has 13,800 miles. I recognize that Ferrari recommends the "major" engine out service at 15k. The car drives nice and tight, zero leaks, zero clutch slippage. I always drive it once per week and I run Mobil 1 that has been changed every 3kmi or 1x year. I don't redline it more than once in a blue moon, the tach does see 7,000 just about every time I drive it (but only once or twice). My questions... 1.) Should I go ahead and pop for the 30k service now? If not now, when? 2.)Should I do the 15k service instead? 3.) What else should I consider having done at the 30k? (besides clutch which I am NOT inclined to do since mine feels great) Does anyone have a checklist?