How Often Should I Change My Oil Filter?
How Often You Change Filters Impacts Engine Wear
Most races wonder how often should I change my oil? Over 70% of all machine wear is realted to contamination, and dirt is the number 1 source of contamination. Reducing the dirt level in your engine reduces the wear in your engine, so what is the best way to keep the dirt level low? Frequent oil filter changes and high quality air filters (not high flow air filters) can remove dirt and prevent dirt from entering the oil system.
These used oil drain analysis results highlight the difference in engine wear attributable to dirt contamination.
Chart A highlights the difference in dirt contamination of the oil from changing the oil filter after every race compared to only changing the filter when you change the oil. It clearly shows that changing the oil filter regularly removes more dirt (silicon on the oil analysis) from the engine. When you remove the dirt, you remove the particles that cause abrasive wear in the engine. Chart B shows the results of the wear metal analyis from these used oil drain samples. The oil analysis shows that less dirt (abrasive particles) equals less wear metals (less engine wear). All of this leads to longer engine life, and longer oil life. You spend less money on oil and your engine lasts longer. All you have to do is follow our oil change program.
After every race, change your oil filter and just top off the oil level. You don’t need to change the oil, just change the filter. Keep changing the filter and adding oil after each race until you’ve reached 500 laps of racing. After 500 laps, you can change the oil. If you are running Methanol, change the oil after 5 races (just change the filter after each race).
Following this program yields clean oil, that lasts longer and reduces engine wear.
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