my car" be careful there, nissan dealers are especially notorious. Check yours out thoroughly or go to a specialty Z or japanese import shop. Big dealers are always about "how fast can I do it" not "how well can I do it" because after your car there is dozens more. I can almost 100% guarantee you they will hotrod your nice Z. Being super careful now could save you a lot of probs, take pics of the car and record the mileage before taking it or any screwups they do could cost you even more time and money. Good luck
L.A.N.C.E.: Lifeform Assembled for Nocturnal Calculation and Exploration "What a beautiful life this could be; if I could just get it right" Vallejo