Fuel filter warning, please read

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mikester

Comic Book Super Hero
Mar 10, 2010
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I know theres some guys on the site that have the glass and chrome inline filters on their cars. I used to have one on my 72 Nova. One day a friend of mine told me that someone he knew had his 68 Camaro go up in flames because the filter hit something metal under the hood, the glass broke and the gas sprayed all over the hot exhaust. I took mine off that day and never used one like it since. That was probably back in 1988.
One of my friends from my old job has a mint 78 Camaro. The car is pristine. Small block. Detailed to death under the hood. One day I noticed he had one of those glass filters. I told him the story about the other Camaro. He said if he had time he would look for another type of filter. So I get a call from him the other day. Hes on the side of the road. Empty gas tank. I drive up there with 5 gallons of gas to get him home. You can guess what the problem was. That filter broke. Gas washed the whole engine compartment. There was a trail of gas down the road. The guy was a nervous wreck. He was very lucky. I think the fact that he has stock manifolds instead of headers might have helped but Im not sure. Everything that was painted with regular paint looks like crap. It was all over the firewall, the frame, the booster. All that work ruined for a $15 filter. You guys out there better take a good look at the setup under your hoods and make sure that NOTHING hard can come in contact with the filter. Hitting one pothole can do it if theres enough slack in the fuel line ! Hate to see anyone lose a nice car !!!
 
Interesting... I had one on my car for about six months back when I was running a Edelbrock 1406. But I had the metal fuel line kit so there wasn't any slack in my line really. I never had any issues with them. But that is a good warning. I've got a Q-jet now with the factory cartridge style filter.
 
that's why you pay attention to where everything is mounted. keep the filter in a location where it can't move far enough to hit anything.
 
Excellent advice, mikester!

This is why glass fuel filter housings were replaced with metal filter bodies decades ago.

The only time I would consider using one of these is on a vintage, trailered show vehicle; for originality only.
 
FWIW those little glass filters were never meant for cars even though they sell them everywhere. They are actually outboard motor portable fuel tank filters that the fuel is sucked through, not pushed. Not only is it a bad idea to have some fragile bit of glass being the weak link in a fuel system, the danger is exasperated by being under fuel pump pressure. If you absolutely must use an auxiliary filter, use the huge metal AC model and mount it out of site in the rubber line that goes from the frame line to the fuel pump. That way it is under negative rather than positive pressure.
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Those things are a bad idea.
 
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