C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Disected My Fuel Pump

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Old 06-15-2017, 11:28 PM
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81c3
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Default Disected My Fuel Pump

Thought I would cut open my old fuel pump to check for debris. Surprisingly, I saw none...Considering what made it to my filter, I thought Id find at least something....
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don hall (06-16-2017)
Old 06-15-2017, 11:57 PM
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xrav22
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Back in the day of th 80s I remember if someone wanted to get someback they would put sand in the gas tank. Living along the IL reiver plenty avail. Mabey someone did that and the system was efficient enough to filter it without problems. Usually the persons car would not start and he would half to drop the tank ect.
Old 06-16-2017, 12:45 AM
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Cjunkie
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wow looks really good for the age. I just threw my 86s out a couple months ago when I changed the pump, strainer, and fuel filter.
Old 06-16-2017, 09:40 AM
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don hall
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Originally Posted by 81c3
Thought I would cut open my old fuel pump to check for debris. Surprisingly, I saw none...Considering what made it to my filter, I thought Id find at least something....



A filthy filter, and a clean pump is an enigma.

Interested in responses.

Last edited by don hall; 06-16-2017 at 09:41 AM.
Old 06-16-2017, 01:18 PM
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hilflos
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Originally Posted by seabright

A filthy filter, and a clean pump is an enigma.

Interested in responses.
Are you sure it was the original pump?

It's possible the first pump died from passing the stuff that got caught in the filter, and for whatever reason when the pump was replaced, the filter wasn't?

Just spitballing here.

Last edited by hilflos; 06-16-2017 at 01:18 PM.
Old 06-16-2017, 01:42 PM
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81c3
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Originally Posted by hilflos
Are you sure it was the original pump?

It's possible the first pump died from passing the stuff that got caught in the filter, and for whatever reason when the pump was replaced, the filter wasn't?

Just spitballing here.
No, it was not the original pump, had the Carter logo on the side of it..... It was done 12-13 years ago.... Why would anyone not change the fuel filter with a new pump is beyond me.... but thats probably the case.
Old 06-16-2017, 01:59 PM
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hilflos
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Originally Posted by 81c3
No, it was not the original pump, had the Carter logo on the side of it..... It was done 12-13 years ago.... Why would anyone not change the fuel filter with a new pump is beyond me.... but thats probably the case.
Yeah, makes my brain hurt just thinking about it.

I've swapped my fuel filter twice since I brought the car home back at the end of March. The first time was right away, as part of the tune up, and to evaluate whether I needed to tear into the fuel system immediately.

The second was the weekend before last, just to see if I'd caught any more crud since I was dumping some cleaners into the tank with every fill up since I changed it the first time.

Everything was still pretty clean. So, should be good, but the whole sender / pump etc., is still on my list of things to do, just not the top priority.

Weatherstripping is next, now that the car is running well.
Old 06-17-2017, 10:20 PM
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Originally Posted by 81c3
Thought I would cut open my old fuel pump to check for debris. Surprisingly, I saw none...Considering what made it to my filter, I thought Id find at least something....
You're doing the fuel pump now too? Man, we are doing things in the same order. Was doing the valve covers the same time you were...
Old 06-17-2017, 11:10 PM
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81c3
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Originally Posted by racerseks
You're doing the fuel pump now too? Man, we are doing things in the same order. Was doing the valve covers the same time you were...
Injectors are on the docket next for me, how about you?
Old 06-17-2017, 11:29 PM
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Originally Posted by 81c3
Injectors are on the docket next for me, how about you?
I actually started with injectors, and ran into all this other stuff along the way. My car has been hard to start ever since I did the injector job, so it's possible I will be doing them again.
Old 06-20-2017, 12:52 PM
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Originally Posted by 81c3
Injectors are on the docket next for me, how about you?
I'm having a lot of trouble since swapping my injectors, so it might be one you might want to watch.

What kind of replacement fuel pump did you go with? I ordered a Delphi, because they're just about the only ones I found little or no dirt on...but when it arrived, it had some strange extension on the bottom of it, and it just didn't mount right. 12-13 years is not bad...considering that Carter.
Old 06-20-2017, 03:21 PM
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81c3
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Originally Posted by racerseks
I'm having a lot of trouble since swapping my injectors, so it might be one you might want to watch.

What kind of replacement fuel pump did you go with? I ordered a Delphi, because they're just about the only ones I found little or no dirt on...but when it arrived, it had some strange extension on the bottom of it, and it just didn't mount right. 12-13 years is not bad...considering that Carter.
I purchased the entire unit pump/float assembly from Ecklers. Honestly, I don't know the brand of the pump itself. $325./shipped price.
Old 06-21-2017, 07:20 AM
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Originally Posted by 81c3
I purchased the entire unit pump/float assembly from Ecklers. Honestly, I don't know the brand of the pump itself. $325./shipped price.
Oh, the whole assembly. Nice...
Old 06-21-2017, 08:57 AM
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aklim
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I got the pump from Racetronix with all the necessary parts like the clamps, gasket and new SS screws so I don't have to reuse the rusted ones.
Old 06-21-2017, 02:40 PM
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Originally Posted by aklim
I got the pump from Racetronix with all the necessary parts like the clamps, gasket and new SS screws so I don't have to reuse the rusted ones.
What is this rust you speak of? I have none of that on my car anywhere....
Old 06-21-2017, 04:31 PM
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Originally Posted by 81c3
What is this rust you speak of? I have none of that on my car anywhere....
Good for you. My bolts were hard to get off and you don't want to strip it. Once it was off, I put on the new SS bolts. IIRC, they were hex.
Old 06-21-2017, 06:15 PM
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Originally Posted by aklim
Good for you. My bolts were hard to get off and you don't want to strip it. Once it was off, I put on the new SS bolts. IIRC, they were hex.
Probably look cool to boot huh?

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Old 06-21-2017, 06:36 PM
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Originally Posted by 81c3
Probably look cool to boot huh?
It's enclosed so nobody can see it. All I care about is to have it more resistant to stripping. Anesthetics does not appear to be on my list of things to get
Old 06-21-2017, 10:49 PM
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Originally Posted by aklim
It's enclosed so nobody can see it. All I care about is to have it more resistant to stripping. Anesthetics does not appear to be on my list of things to get
Speaking of aesthetics... I dont believe Ive seen a pic of your ride... post one up....
Old 06-21-2017, 11:56 PM
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Originally Posted by 81c3
Speaking of aesthetics... I dont believe Ive seen a pic of your ride... post one up....
Nothing spectacular. Looks stock except for the round tipped Borla at the back and Greenwood Hood Scoop to clear the Holley Stealth Ram. Other than that, it looks exactly factory other than the glass top which I removed and put a fiberglass one in to keep the sun out.



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