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Old 06-27-2019
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SNOWBIRD SNOWBIRD is offline
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Join Date: Dec 2015
Location: Lansing
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No. And here is why I say that. Conventional thinking was always to have progressive filtration but I like to do it just opposite.





I go with a 2 micron filter first since the Racor is the easiest filter to change. When you get bad fuel or are just ready for a filter change while on the road, you will only need to change the Racor and not the secondary. You can monitor the Racor with a vacuum gauge. So the secondary, in this case, is just there to catch parts of your fuel pump, should it shred itself. The secondary in this case can be a 10 micron.



If you go with a 10 or 30 micron in the Racor, you could plug up your secondary which is harder to access and change on the road. Plus you get no warning of it plugging up as you do with the Racor vacuum gauge. (unless you have a fuel pressure gauge)
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