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Message: [QUOTE="rsr911, post: 41058, member: 452"] For reference 25.4 microns equals 0.001" More reference? Typical main bearing tolerance in an engine 0.001-0.003" with the loose side being favored in a drag race application. Your oil filter is about 25 microns. On my IDI I have to filter to 5 micron absolute or better to prevent onboard filter clogging. I have seen evidence to suggest that the PSD onboard filters are more coarse than the IDI filters. A human hair is approximately 25-50 microns in diameter. Thickness of the ink printing on most flexographically printed labels, less than 2.5 microns or less than 0.0001" One layer of evenly applied paint is 0.001-0.002" thick. [/QUOTE]

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74219_3996693843931_947432792_n

1013929_4487306641160_1959472154_n

1997 ZF5 DRW

2011-06-10_20-12-29_735

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IMAG0212

Ben's 96

1997 ZF5 DRW

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