Quote:
Originally Posted by flatjack9
If the bypass system is so good, why do all modern engines use a full flow system?
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Notice that I said "With the use and maintenance the great majority of these cars receive today". The maintenance is almost anal-retentive, oil change intervals are usually in the hundreds (rather than thousands) of miles, they are stored under impeccable conditions, not used in any kind of foul weather, etc. etc. etc. Contrast this to the average daily driver that is abused, ignored, and yet expected to soldier on through all kinds of conditions. Different methods for different conditions. I also believe that most over the road semi-trucks use both bypass and full flow filtration. I still believe that the finer filtration provided is worth it in this particular case.