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

Need a new fuel pump

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Old Jun 30, 2014 | 05:05 AM
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Default Need a new fuel pump

Need a new fuel pump for a 1984, anyone have a preference? Where can should I order it from? I read somewhere to replace it with an 85 fuel pump.
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Old Jun 30, 2014 | 08:15 AM
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Originally Posted by boxer141c
Need a new fuel pump for a 1984, anyone have a preference? Where can should I order it from? I read somewhere to replace it with an 85 fuel pump.
I used Rockauto for my 93. You can get a acdelco for under 50$ or bosch for a little more. Dont forget to change sock. Not a bad job. Dave
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Old Jun 30, 2014 | 09:35 AM
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Delphi, from RockAuto!...
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Old Jun 30, 2014 | 09:50 AM
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Originally Posted by boxer141c
Need a new fuel pump for a 1984, anyone have a preference? Where can should I order it from? I read somewhere to replace it with an 85 fuel pump.
Is your engine stock or modified?
Here's what I bought and installed in my '85 C4 LS1 (roughly 325hp)
http://www.ebay.com/itm/300937556449...U:3160&vxp=mtr
255lph, quiet, complete (kit), delivered to your door for just $50USD.
Only thing, you'll have to modify a couple wires because the plug wouldn't fit into the original.


(In case you don't know: First make sure that it's okay for your C4 to be pumping out 255lph out of the tank to your engine. There's a rule-of-thumb formula out there [which I can't remember.. something about 30% max] about calculating fuel volume to horsepower... gotta make sure it's not pumping too much fuel otherwise the fuel heats up and your engine detonates...)
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Old Jun 30, 2014 | 12:02 PM
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My 90 coupe also needs a fuel pump. I'm buying a Delphi from Rockauto. $52.79. PN# FE0110. Strainers from $3.50 to $5.20. You can get a 5% discount by using the code on their website. The fuel tank gasket seal is a Bosch PN# 68238 for $11.57.
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Old Jun 30, 2014 | 01:16 PM
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when you take it out, and see how nasty the sending unit is too, you'll want the whole thing...corvette central has a nice stainless complete..pump is not as good as those walbro 255's...
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Old Jun 30, 2014 | 05:47 PM
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Looks like I am going with Delphi. My vehicle sometimes hesitates when accelerating from a stop and after I take it for a drive and it heats up it stalls. I can start it right back up but it keeps stalling until I let it cool down. I assumed it was a fuel pump issue. What do you guys think? Its a stock motor
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Old Jun 30, 2014 | 05:54 PM
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Also will the 1985 Corvette Delphi fuel pump fit the 84?
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Originally Posted by boxer141c
Looks like I am going with Delphi. My vehicle sometimes hesitates when accelerating from a stop and after I take it for a drive and it heats up it stalls. I can start it right back up but it keeps stalling until I let it cool down. I assumed it was a fuel pump issue. What do you guys think? Its a stock motor
My belief is that it's not the pump. You can go to any parts store and get it. Nothing special about it
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