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FL299 suitable for a small block?

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Old 12-15-2018, 09:02 PM
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FL299 suitable for a small block?

Back in auto parts world here, I was selling a guy his FL1A and he asks me if there is a larger filter available. Did some digging and came across the FL299 which has the same measurements as the 1A - except it's 7 inches long. The FL1A is only 5 1/4". He just wanted to know if he could run it, I wasn't sure if there would be flow problems with something that size. Any thoughts?
 
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Old 12-16-2018, 12:10 AM
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A larger body filter will have more surface area of filter media, and thus a lower pressure drop across it for a given volumetric flow rate. So, as long as it physically fits, should work just fine. Not sure what his goal is though? Longer change intervals? FL1A is pretty big for a small block, holds about a quart of oil. 5.8L used a FL820S (with cooler), much smaller (to clear frame) than the FL1A on a 5.0L.
 
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Old 12-16-2018, 12:14 AM
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Originally Posted by GoinBoarding View Post
A larger body filter will have more surface area of filter media, and thus a lower pressure drop across it for a given volumetric flow rate. So, as long as it physically fits, should work just fine. Not sure what his goal is though? Longer change intervals? FL1A is pretty big for a small block, holds about a quart of oil. 5.8L used a FL820S (with cooler), much smaller (to clear frame) than the FL1A on a 5.0L.
I didn't ask what he was hoping to get out of it, he just wanted to know if there was something larger, any drawbacks, etc. Thanks though
 
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Old 12-16-2018, 12:30 AM
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The FL299 is a terrible filter, that filter was used on FT engines and 370 and 429 industrial engines. It has a micron rating of 32. The FL1A filters down to 20 microns. If you want longer wix makes one that is 9 inches long and filters down to 18 microns but it's like 30.00.
 
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Old 12-16-2018, 02:32 AM
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Originally Posted by ford390gashog View Post
The FL299 is a terrible filter, that filter was used on FT engines and 370 and 429 industrial engines. It has a micron rating of 32. The FL1A filters down to 20 microns. If you want longer wix makes one that is 9 inches long and filters down to 18 microns but it's like 30.00.
Ah, yeah, that's the more important information.
 
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Old 12-16-2018, 02:40 AM
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Originally Posted by ford390gashog View Post
The FL299 is a terrible filter, that filter was used on FT engines and 370 and 429 industrial engines. It has a micron rating of 32. The FL1A filters down to 20 microns. If you want longer wix makes one that is 9 inches long and filters down to 18 microns but it's like 30.00.
Huh, good to know. Thanks
 
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Old 12-16-2018, 07:48 AM
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I guess he was thinking a bigger filter would filter better than a smaller one? My 24V Duratec Taurus uses the FL820 filter. I change the oil every 3-4K miles The engine has 403K miles and counting....
 


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