The most common form of preventive maintenance is the routine oil change. If you drive your car in hot weather, or under severe track conditions (high RPM and high cornering situations) then a good synthetic oil is highly recommended. Redline, Mobil, and others meet OEM standards. If your car is street driven, then use the oil recommended in your owner's manual. Find a name brand and stick with it when possible as several quarts of oil remain in the cooler and is not removable during a routine oil change. 


Oil should be changed at approximately 3,000 miles (for non-synthetic oils) and up to 5,000 miles for synthetic types. However, particular conditions may suggest more frequent intervals. For instance, a stored vehicle which is periodically moved only short distances can allow fuel to pass through the unseated rings contaminating the oil. Check oil for both a fuel smell or for "beading" on the dip stick. 


There are several oil filter brands available and some claim better oil retention in the inverted position reducing the initial tensioner rattle upon start up of some LT5's. This may or may not be true. The recommended AC oil filter is the PF970C. If a tensioner rattle is prominent (first few seconds after start up), there is a corrective tensioner kit (we'll cover that later). The "Oil Change" light is mileage activated. That is, every 7500 miles the light will come on regardless of when the last oil change was performed.


It is a simple reset procedure and is explained in your owner's manual.

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