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View Full Version : Air filter test ...


kenmosher
08-03-2005, 10:30 AM
VERY interesting link of some objective air filter testing I ran across ...

http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm

Now take into account that the guy that compiled the test data is using this to pick a filter for his diesel truck application. On a TR, the higher flow rate will be more important, since we look for max performance.

What it shows to me is that you need to clean and oil your cloth style filters pretty often to maintain filter efficiency and maximum flow. Especially given the logrithmic curve of restriction to dirt loading.