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Discussion Starter #1
I was looking at the new FS2500 filter and comparing it to the Amsoil filter base that I have.
The Amsoil has a Restrictor smaller than a pin hole and I do not see one in the FS 2500 base. When you blow through the in port the FS 2500 you can tell the FS 2500 will flow alot more oil.
Is it too much? Will the oil pressure drop with that filter?
I did not buy the kit I bought the filter only from ebay, is there supposed to be a ristrictor for this set up?
Thanks,
Ken
 

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Fs2500

I also bought filter from ebay and installed on 2006 Duramax using 1/4" ID hose and fittings. Oil presure did not change. As a test my GC has same exact truck as mine and we drive same route home after work (30 miles), we talk on cell and compare oil pressure at different speeds and no difference in oil pressure. This may not be the best scientific method but I am comfortable with it.
 

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Discussion Starter #3
Can you help me identify the pressure port by the oil filter that you used to feed the filter?
Thanks,
Ken
 

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I have a link to my install in my garage with pics of the port.
 

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Discussion Starter #5
Thank you.
Is that port 1/4 npt?
Ken
 

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It is either 3/8 NPT or 3/8 BPST. Buy both fittings and take back the one you don't use.
 

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Its the same size as the drain plug steped down to 1/4 NPT.
 

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Discussion Starter #8
Thank you!
Ken
 
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