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  #1   IP: 208.87.223.254
Old 12-29-2021, 09:54 PM
magi magi is offline
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Proper Fuel Filter for an Atomic 4

Looking for a proper gas fuel filter for my A4. I see many filters that are for diesel and believe its a very common mistake to think you can use these with gas. Most are for outboards and not for down below in an enclosed space. USCG also does not like non-flame retardant bowls for inside use. Have to agree with them there. Any thoughts on finding a set up with a metal or glass bowl ?

Thanks All.
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  #2   IP: 104.174.83.118
Old 12-29-2021, 10:08 PM
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Moyer Marine has exactly what you're looking for:
https://moyermarine.com/product/raco...fpmp_05-1_349/
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Old 12-29-2021, 10:08 PM
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Hello magi.

Here is the filter/separator offered in the MMI catalog, which has a metal bowl:

https://moyermarine.com/product/raco...fpmp_05-1_349/

Jack.
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Old 12-29-2021, 11:19 PM
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Thumbs up

magi..welcome, and right on the above posts. You want the Racor 320R with the metal bowl linked above. I will comment from personal experience that it is important to lubricate the rubber gaskets for ease in later servicing.
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Last edited by sastanley; 12-29-2021 at 11:24 PM.
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Old 01-01-2022, 10:41 PM
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Let me add that you should check your filters with a magnet. If a magnet sticks, they're going to rust. And the rust particles are going to go downstream toward your carb. I spent a Summer tracking down carb issues. Turned out to be due to my secondary filter (the one of last recourse) rusting and sending rusticles to the carb.
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  #6   IP: 138.207.177.95
Old 01-03-2022, 09:40 AM
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Quote:
Originally Posted by Al Schober View Post
Let me add that you should check your filters with a magnet. If a magnet sticks, they're going to rust. And the rust particles are going to go downstream toward your carb. I spent a Summer tracking down carb issues. Turned out to be due to my secondary filter (the one of last recourse) rusting and sending rusticles to the carb.
Thanks for the reminder - my secondary filter is rusting on the outside, so maybe it is inside as well.
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Old 01-03-2022, 11:31 PM
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Quote:
Originally Posted by Al Schober View Post
Let me add that you should check your filters with a magnet. If a magnet sticks, they're going to rust. And the rust particles are going to go downstream toward your carb.
Wouldn't this this apply to the primary filter as well (see Racor, Sierra, Fram etc.)? I have a primary water separating spin on filter (Sierra 18-7945), steel casing the same as several other brands and in 17 years of ownership I've never had a speck of rust but then again I change my filter regularly.

Then there's the USCG metallic construction requirement for inboard gasoline installations or said another way, no glass, plastic or see-through materials of any kind for filter or sediment bowl construction on a gas inboard.
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Old 01-04-2022, 09:09 AM
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Quote:
Originally Posted by ndutton View Post
Wouldn't this this apply to the primary filter as well (see Racor, Sierra, Fram etc.)? I have a primary water separating spin on filter (Sierra 18-7945), steel casing the same as several other brands and in 17 years of ownership I've never had a speck of rust but then again I change my filter regularly.

Then there's the USCG metallic construction requirement for inboard gasoline installations or said another way, no glass, plastic or see-through materials of any kind for filter or sediment bowl construction on a gas inboard.
I have had Racors rust on the outside. Actually that annoyed me to the point I decided to switch to Sierra filters. They cost a lot less and I replace them annually, so they never get a chance to rust.
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