AMSOIL bypass vs. FS-2500? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 19 (permalink) Old 12-18-2009, 06:13 PM Thread Starter
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AMSOIL bypass vs. FS-2500?

I am going to do the bypass oil filter mod, just makes sence to me. I would like to get your feedback on which system is better. I have been searching around and the AMSOIL system is a lot cheaper than the pricey FS2500. So my question is it worth the extra mulla? I have read that the older AMSOIL system had problems but is the new one OK? I want to run the AMSOIL pure synthetic $$$$ so I want to be able to extend the oil change interval as long as possible. What's your opinions? Thanks.
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post #2 of 19 (permalink) Old 12-18-2009, 08:15 PM
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Re: AMSOIL bypass vs. FS-2500?

I used the Amsoil dual bypass system on my over the road truck for 3 years. I changed the filters every 15,000 miles and sent off an oil sample. They would tell me when I needed to change my oil. I really liked it. I was also running their 3000 series oil.

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post #3 of 19 (permalink) Old 12-18-2009, 09:34 PM
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Re: AMSOIL bypass vs. FS-2500?

How about the FRANTZ bypass? alot cheaper to run.

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post #4 of 19 (permalink) Old 12-19-2009, 03:16 AM
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Re: AMSOIL bypass vs. FS-2500?

i have the frantz and like it was a lot cheaper and i would say just as good
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post #5 of 19 (permalink) Old 12-19-2009, 03:19 AM
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Re: AMSOIL bypass vs. FS-2500?

It that the tp filter?

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post #6 of 19 (permalink) Old 12-19-2009, 03:26 AM
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Re: AMSOIL bypass vs. FS-2500?

yes thats the one
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post #7 of 19 (permalink) Old 12-19-2009, 03:27 AM
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Re: AMSOIL bypass vs. FS-2500?

the tp is like a black slim ball when you change it. its kind of gross to think that that was in the oil.
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post #8 of 19 (permalink) Old 12-19-2009, 05:52 AM
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Re: AMSOIL bypass vs. FS-2500?

From what I have seen the FS actually can take the black soot out of the oil for a certain period of time. Even after the oils noticeably lighter. The Amsoil does not. Based on that I can not see how an the Amsoil can be filtering down to the same mic level. I would say the FS is the better system but also at a higher cost. I am glad they finally moved the oil line from the oil pan drain plug. I never liked that and alwasy felt it should go to the inspection port. I always thought the TP filter was cool as it was so simple and worked well enough.
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post #9 of 19 (permalink) Old 12-30-2009, 06:13 AM
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Re: AMSOIL bypass vs. FS-2500?

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Originally Posted by TARM View Post
From what I have seen the FS actually can take the black soot out of the oil for a certain period of time. Even after the oils noticeably lighter. The Amsoil does not. Based on that I can not see how an the Amsoil can be filtering down to the same mic level. I would say the FS is the better system but also at a higher cost. I am glad they finally moved the oil line from the oil pan drain plug. I never liked that and alwasy felt it should go to the inspection port. I always thought the TP filter was cool as it was so simple and worked well enough.
The Amsoil system does filter the soot out. No system gets all the soot its impossible to do but here is the key with either system. They both filter down to 2 microns. The oil will still be black no matter what but as long as the soot particles that are larger in size (3 microns and above) are filtered out you are saving wear on your engine due to those larger particles.

I have a customer running the dual bypass on his Dmax and he called me with 1500 miles on the oil the first time he installed it and said his oil was still golden like the day he poured it from the bottle.

All I ask is do your research on both systems and then choose the one that suites your needs if your buying one. I am confident that you will choose the less expensive Amsoil system which you all get the PSN deal if you go through me.
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post #10 of 19 (permalink) Old 12-30-2009, 03:39 PM
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Re: AMSOIL bypass vs. FS-2500?

You might give this one a try. I have one installed on my truck and one on my 02 Golf TDI.

I did oil analysis on both after using this filter and Rotella 5w-40 synthetic and I was good past 10K miles.

Do a search on then, lots of info.

http://www.oilguard.com/index.html

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