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Quadrajet Fuel Filter

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Quadrajet Fuel Filter Empty Quadrajet Fuel Filter

Post by 73 SS Wagon on Mon Jun 08, 2020 3:09 pm

I went to replace the fuel filter in my 73 350 Quadrajet. It looks like this:
Quadrajet Fuel Filter Img_9012

Surprise, no filter at all in there at all. Just a spring.

So I buy a filter and it seems too long. I remember from long ago that these filters were shorter and that's why there was a spring to hold them in place. Sure enough the filter crushes and blocks the fuel from getting into the carb. You can see how the filter twisted as it compressed.


Quadrajet Fuel Filter Img_9013

Advance Auto Parts, Napa, and every other place I look have the same filter, 1.03 inches long. Can anyone direct me to getting the right filter?

Thanks.
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Quadrajet Fuel Filter Empty Re: Quadrajet Fuel Filter

Post by ant7377 on Mon Jun 08, 2020 5:59 pm

The inlet there dosent look right. Looks like it came from something else. That carb looks like a Q jet off a Buick or Olds which has inlet center front of carb. I would replace the line and put a inline filter there if you want to use that carb.
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Quadrajet Fuel Filter Empty Re: Quadrajet Fuel Filter

Post by Mcarlo77 on Mon Jun 08, 2020 6:18 pm

Was thinking the same thing. The filter in my spare Q-jet off a '75 Laguna is 2" lg.
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Quadrajet Fuel Filter Empty Re: Quadrajet Fuel Filter

Post by fasrnur on Mon Jun 08, 2020 8:53 pm

Quadrajet Fuel Filter 20200510
I hate to tell you sir, but you have either a Pontiac, Buick, or Olds carb on your car. Chevy carbs have the line coming in on the side and not the front of the carb. I've never see that type of adapter before. Depending on what fitting you have on your car, you can run a short or long filter. The fitting that screws into the carb, long or short, will reflect which filter you'll be able to use.
I have the short fitting and filter on mine.
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Quadrajet Fuel Filter Empty Re: Quadrajet Fuel Filter

Post by Iggy on Tue Jun 09, 2020 11:11 pm

Get the filter based on the carb number, it you do have a Chevy Q-jet it would have come off a 1978 3/4-ton truck 454 - a one year only carb with an inlet facing forward.  Other Chevy Q-jets inlet faces the passenger side.
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