FL299 suitable for a small block?
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Laughing Gas
Joined: Feb 2015
Posts: 765
Likes: 1
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?
Cargo Master
Joined: Mar 2010
Posts: 3,330
Likes: 292
From: Laramie, WY
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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Laughing Gas
Joined: Feb 2015
Posts: 765
Likes: 1
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.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
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.
Cargo Master
Joined: Mar 2010
Posts: 3,330
Likes: 292
From: Laramie, WY
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.
Thread Starter
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Laughing Gas
Joined: Feb 2015
Posts: 765
Likes: 1
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.
Hotshot
Joined: Jun 2015
Posts: 12,835
Likes: 2,437
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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New User
Joined: Dec 2016
Posts: 5
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The FL 299 is just longer and has same size oil insert threading. We used it for racing in the 60's and 70's. Ford released FL-1-HP, High performance. Also, FL 400 S and FL 300 S has same size oil insert but shorter. If you have the same, use FL 1 A or FL 299. FL 299 was designed for Medium and Heavy Duty Ford Trucks. Good lcuk
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