| and none can match the reliability of synthetic. And I don't think anyone with a Z would even try going more than 5K at the most without changing no matter what the oil. One time my mechanic even accidentally put in regular 10w30 castrol and the engine ran like complete crap, almost like it was missing a coil/injector. Drove right back to the garage to blast him for not using the Mobil 1 I brought over, switched it out right away, and it ran like a champ again.
 Stage VI Naturally Aspirated "What kind of lube are you using? Vaseline works well" - Woody75 (Denver) 09:26:01 01/10/08
|