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Old 12-06-2013, 04:57 PM   #15
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Tiffin Owners Club
Join Date: Jun 2006
Location: Southern California
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Originally Posted by Algoma View Post
I installed an open filter which means that after the filter separates the oil from the blowby the gasses vent to open air. On the closed filters that gas is returned to the air intake. As the oil has been removed no oil gets to the turbine. The oil removed by the filter returns to the crankcase.
The hose on the left is from the top of the head cover and the right one is the gas exhaust. Not shown is a hose from the bottom that has the oil drain.
More details of these filters here.
John, What model filter did you use for your engine. Also I would like to know what one of those costs.

Thanks, Sammie

2015 Tiffin Bus 37AP
2016 Ford Explorer
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Old 12-06-2013, 06:00 PM   #16
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Racor suggest you divide your engine hp by 20 to give the CFM of the filter. This gives 20 for the ISL 400 so the CV6001 would be the one to choose. This is around $300. You then need to add hose connectors which are Racor specific (the thread is no-standard), but I found these on EBay for $20. I decide to capture the oil in a container rather than try to return it to the sump so you may need to add that cost to.

John and Mary Knight
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