DIY Tymar vs. AFE Stage 1? - Ford Powerstroke Diesel Forum
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Old 03-04-2008, 10:11 PM
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DIY Tymar vs. AFE Stage 1?

I currently have an 01 f250 with what i believe is an AFE Atage 1. Thinking about installing the Tymar DIY with the Zoodad mod. Is this a wise decision?
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Old 03-04-2008, 10:32 PM
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Why would you do this? Get the torque tube from AFE and make it better. The zoodad mod will help get cold air into the intake you have. With the tymar intake the zoodad does not do that much to get cold air into the filter like your current system.

https://www.shopatron.com/product/pr...54-10199/534.0
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Old 03-04-2008, 10:42 PM
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Makes sense.The filter i have is an oiling type, and quite a bit smaller than the tymar. From what I was reading earlier i thought the tymar filter was better. I must have mis interpreted it. Thanks
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Old 03-04-2008, 11:02 PM
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The tymar/Napa filter is better than stock but I don't necessarily think it is better than your AFE. Maybe a little better filtering but it won't flow any more air since all the air is squeezed through the stock intake tube anyway. In addition your current system pulls cold air and the tymar will suck in heated air. Colder denser air makes more power. Your flow is only as good as your biggest restriction. Your CCV block is your biggest restriction in the intake, IMHO.
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Old 03-05-2008, 05:54 AM
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I still want to see some real data on the two filter styles. To me the most important thing is filtering (I got my engine dusted by the factory filter), I want to know the micron level and efficiency of the filters as well as the flow ratings. The AFE looks similar to the K&N to me and I have seen K&N cone style filters leak dust. If I can’t have real data then I have to make an opinion based on appearance and logic. The DIY is way bigger than the AFE or K&N. It looks to me like it would filter better based on surface area, they say it flows better, how can something smaller flow more without filtering less?
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Old 03-05-2008, 06:13 AM
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I think the key to an oiled filter is to keep it clean and make sure you get the whole surface area oiled. I believe you can't go wrong with either filter, but my personal preference was the tymar or nappa filter because of ease of maint., and those oiled filters always look dirty. If you have the AFE now keep it unless you want to get away from the oiled filters go with an
AFE dry filter or a nappa/tymar.
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Old 03-05-2008, 09:42 AM
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All I can say is my AFE oiled filter does not leave any dusty residue like the K&N did when I ran one for a little while. The intake is nice and clean, and I wipe it with a white T shirt to see just what is in there when I do inspect it.

I can also tell you that my filter sees 1770cfm of air flowing through it at 53psi of boost. A stock truck will see 1040cfm of air past the filter at 25psi of boost. This is actual data taken at the NADM event in Bakersfield, Ca by a Cal Poly engineering student.
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