I just purchased a Super Z 60/28EFI . I inquired about using the oil that Hustler is promoting to extend the engine warranty. My question is: Is this a full warranty that covers all aspects of the engine ie; starter, carbs, efi components and ect) or is it limited to short blocks and long blocks? I'm getting mixed information from many Hustler Dealers, some who just dont know. Is this information disclosed on some type of warranty card or pamplet?