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

Fuel Line Questions

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Old May 5, 2003 | 10:15 PM
  #1  
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Default Fuel Line Questions

What is this thing in the return line and can I remove it when I use Stainless Steel braded line?

http://imageevent.com/joalyons/vette...=0&w=1&s=0&z=2


[Modified by joalyons, 9:16 PM 5/5/2003]
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Old May 5, 2003 | 10:55 PM
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Default Re: Fuel Line Questions (joalyons)

Vibration/pulsation damper (?)
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Old May 6, 2003 | 11:25 PM
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Default Re: Fuel Line Questions (joalyons)

I'm betting that it is a pressure relief valve.
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Old May 6, 2003 | 11:26 PM
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Default Re: Fuel Line Questions (Oldman)

FPR ???
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Old May 7, 2003 | 12:17 PM
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Default Re: Fuel Line Questions (Lone Ranger)

Came up in conversation a week or two ago...

Vibration/pulsation damper is correct. This was removed in the '93 and up models (maybe starting in '94).
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Old May 7, 2003 | 09:07 PM
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Default Re: Fuel Line Questions (joalyons)

Thanks, I am going to use Stainless braided line in place of the stock lines and remove it will I experience any problems?
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Old May 7, 2003 | 09:40 PM
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Default Re: Fuel Line Questions (joalyons)

Its called an accumulator. It acts to dampen fuel line vibrations. If you don't install it, and get unusual noise vibrations (rattling) from the right side, you will know why.


[Modified by ittlfly, 6:40 PM 5/7/2003]
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Old May 8, 2003 | 01:38 PM
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Default Re: Fuel Line Questions (Vette92)

Came up in conversation a week or two ago...

Vibration/pulsation damper is correct. This was removed in the '93 and up models (maybe starting in '94).
Was there a second one? According to my service manual ('94), the part you plug the fuel pump into is the Fuel Pulse Dampener? :confused:
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Old May 8, 2003 | 02:43 PM
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Default Re: Fuel Line Questions (R94 LT 1)




Was there a second one? According to my service manual ('94), the part you plug the fuel pump into is the Fuel Pulse Dampener? :confused: [/QUOTE]

Yep. I guess there were problems. Also, the dampener in the fuel pump (if i'm not mistaken) also acts like a check valve to prevent back flow of fuel through the feed line. There IS a check valve at the pump and I thought it was at the fuel pulse dampener.
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Old May 8, 2003 | 07:29 PM
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Default Re: Fuel Line Questions (Vette92)

Vibration/pulsation damper is correct.
:hurray: :hurray: Do I win a prize for the 1st right answer :jester
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Old May 8, 2003 | 07:36 PM
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Default Re: Fuel Line Questions (Lone Ranger)

Vibration/pulsation damper is correct.

:hurray: :hurray: Do I win a prize for the 1st right answer :jester
Here ya go :cheers: :cheers: :cheers: :cheers: :cheers: :jester
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Old May 8, 2003 | 09:36 PM
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Default Re: Fuel Line Questions (Lone Ranger)

Vibration/pulsation damper is correct.

:hurray: :hurray: Do I win a prize for the 1st right answer :jester
Don't want to burst your bubble...but the 92 Helms manual still calls it an
"accumulator". :p:
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Old May 8, 2003 | 10:25 PM
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Default Re: Fuel Line Questions (joalyons)

Everyone wins the prize for the help. :party: I think I will be ok without it since the Stainless lines should absorbe the vibrations.

Thanks
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