75 fuel filter
Le Mans Master
Joined: Sep 2001
Posts: 7,739
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From: Unreconstructed, South Carolina
If ... IF you still have car's Original Quadrajet carb ... it is was factory-equipped with a small fuel filter Cartridge just inside where fuel line screws onto carb body ...
... that cartridge is either stamped steel with pleated paper or sintered bronze.
Tech Contributor
Joined: Aug 1999
Posts: 14,379
Likes: 6,390
From: At my Bar drinking and wrenching in Lafayette Colorado
...But I'm going to bet that they didn't just hack the fuel line - based on the angle of that rubber line that they installed, I'm betting they also removed your Q-Jet carb and installed an Edlebrock carb as part of the "mod" job...
Lars
Last edited by lars; Jun 8, 2019 at 07:33 PM.
Le Mans Master
Joined: Sep 2001
Posts: 7,739
Likes: 630
From: Unreconstructed, South Carolina
I canot tell which carb you have because it's covered by air cleaner assembly.
Remove top lid, air filter element and lower base ... then take pic of carb.
Lars probably right ... Qjet probably gone.
Remove top lid, air filter element and lower base ... then take pic of carb.
Lars probably right ... Qjet probably gone.
Tech Contributor
Joined: Aug 1999
Posts: 14,379
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From: At my Bar drinking and wrenching in Lafayette Colorado
Safety Car
Joined: Apr 2006
Posts: 4,057
Likes: 421
From: BC
Those glass filters have the cast threaded rod that holds one end into the other and are probably one of the most dangerous filters ever made. Vibration will make them pull apart at the threads causing a massive leak which would be spread rearward by your cooling fan. I actually had one pull apart years ago.... I would not trust one of those on my lawn mower. I still have one that I use between the pcv valve and carb to test if oil and how much is being sucked past the pcv but other than that, they are one of the worst fuel filters you can buy. The rubber line isn't right either but remove the filter.
Last edited by CanadaGrant; Jun 8, 2019 at 10:11 PM.
Tech Contributor
Joined: Aug 1999
Posts: 14,379
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From: At my Bar drinking and wrenching in Lafayette Colorado
That's true. But I think Lisa has more problems than just the filter. If she can post up a photo of what she's got on the top end of that engine without the air cleaner, we can see how much of a problem she has, and what she needs to do to get the car in safe, driveable condition. Replacing that filter will be top on the list, but the aftermarket, incorrect carb under that air cleaner will determine how best to manage those frightening rubber fuel lines and other problems...
Lars
Last edited by lars; Jun 8, 2019 at 10:18 PM.
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Tech Contributor
Joined: Aug 1999
Posts: 14,379
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From: At my Bar drinking and wrenching in Lafayette Colorado
You can replace that filter with any in-line fuel filter with 3/8" hose nipples. Avoid the glass filters. These types of "generic" filters are available from any auto parts store - don't tell them you want a filter for a 'Vette, because you'll get the in-carb filter shown in my post above - you just want a generic, aftermarket, in-line filter. NAPA has one under part number NOE 7401158 for about $5. This is a clear nylon plastic filter housing with a sintered bronze filter element and a lifetime warranty.
Be aware that, depending on the type of carb you have, that the carb itself could have an in-carb filter. If you have an in-carb filter, you need to remove it if you are going to use the in-line filter - do not run 2 filters in the system. You might want to check that...
Lars
Be aware that, depending on the type of carb you have, that the carb itself could have an in-carb filter. If you have an in-carb filter, you need to remove it if you are going to use the in-line filter - do not run 2 filters in the system. You might want to check that...
Lars
Last edited by lars; Jun 9, 2019 at 01:39 PM.
Safety Car
Joined: Apr 2006
Posts: 4,057
Likes: 421
From: BC
Ah, ok. An aftermarket carb that requires a filter. The filter you have can be removed and comes apart for cleaning. That is one of the big problems with those filters as they have seals that can leak and are very cheaply made. You might consider a generic one piece canister filter with 3/8ths" inlet and outlet from your local parts store that would be a bit safer or you can just unscrew it and clean it out.