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

Quick C4 Corvette Gas Tank Sender Unit Question

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Old Jan 16, 2018 | 10:28 PM
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Default Quick C4 Corvette Gas Tank Sender Unit Question

Working on a 1988. Had an issue with the gas gauge reading full all the time. I pulled the sender only to find out that the little resistors inside sender that make the gauge work were literally missing. I went ahead and bought a new sender off of ebay.

The one question that I have is what is this part I have the arrows pointing to on the pictures below? It does not fit onto the new sender (which was said to be correct for 1988).
What does it do, and can I just use the supplied piece of rubber hose in its place?
Thanks!



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Old Jan 17, 2018 | 12:05 AM
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Maybe some sort of filter?? I know my 84 only has a rubber piece in between pump snd tubing
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Old Jan 17, 2018 | 07:29 AM
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Anyone else?
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Old Jan 17, 2018 | 10:10 AM
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Pulsation damper to smooth out fuel delivery. Last time I had my fuel pump out I replaced mine (91) with a piece of hose because mine was looking bad. If the new unit you bought has it just use it
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Old Jan 17, 2018 | 11:18 AM
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Originally Posted by Eljay
Pulsation damper to smooth out fuel delivery. Last time I had my fuel pump out I replaced mine (91) with a piece of hose because mine was looking bad. If the new unit you bought has it just use it
If it was supplied with the unit it should be the correct
SAE 30R10 hose for submersible use. Just don't use just any fuel line hose inside the tank.
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Old Jan 17, 2018 | 01:08 PM
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I agree, it is a pulsator. Its there to dampen out the pressure waves from the fuel pump.
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Old Jan 17, 2018 | 01:38 PM
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Originally Posted by RWDsmoke
If it was supplied with the unit it should be the correct
SAE 30R10 hose for submersible use. Just don't use just any fuel line hose inside the tank.
I wouldn't chance it unless you see the hose stamped with the correct markings. In my youth, I put a piece of hose to bridge a transmission line. Well, it went south and almost cost me my life.

http://www.racetronix.biz/itemdesc.a...IK-006&eq=&Tp=

All in 1 kit
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Old Jan 17, 2018 | 02:46 PM
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So swapping out the damper with the hose shouldn't affect anything?
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Old Jan 17, 2018 | 02:50 PM
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Originally Posted by chstitans42
So swapping out the damper with the hose shouldn't affect anything?
The right hose, yes.
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