Fuel Pump Upgrade

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Old Feb 9, 2004 | 08:47 AM
  #1  
CarAudiophile's Avatar
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From: Gretna, NE, USA
Default Fuel Pump Upgrade

I am looking at putting a new Fuel Pump in my EF Hatch. I have a B16 Swap in the Car and I also have the AEM Fuel Rail, Fuel Pressure Reg, and 390 Injectors getting put in. Now I am looking for a Fuel Pump. I was wondering what Factory Honda one I could put in that would be suffiecient and that would also fit. I know Walboro is the shiznit but I was kinda looking at maybe an Integra one but I am not sure what year of one that I will have to find and what Model.

Any help that I could get would be awesome. Again my setup is going to only be all motor with a set of Mild Cams and all the rest of the Bolt on Goodies. (I already have I/H/E).. I just need my Cam Gears, Cams, and Intake Manifold to finish it. But I know Fuel will be a issue I want to tackle. I am going to be using the Apex Vafc for my programming and tuning.

Thanks..
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Old Feb 9, 2004 | 08:51 AM
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Default Re: Fuel Pump Upgrade (CarAudiophile)

Get a walbro 255lph fuel pump.
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Old Feb 9, 2004 | 08:55 AM
  #3  
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Default Re: Fuel Pump Upgrade (UNDER PRESSURE)

Do you know which part # I should order.. That another problem I am having is finding the part #. I have a guy here in Omaha that does group buys ont hem and can get them for 85 bucks. But I need to know the part #.
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Old Feb 9, 2004 | 08:57 AM
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Default Re: Fuel Pump Upgrade (CarAudiophile)

I don't know the part # just do a search for "walbro" and go from there i'm sure a few people put the part# up.
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Old Feb 9, 2004 | 09:01 AM
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Default Re: Fuel Pump Upgrade (UNDER PRESSURE)

You could get a Talon stock pump that's what I used like 5 years ago it's a cheap upgrade and bolts right in! Rob
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Old Feb 9, 2004 | 09:09 AM
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Default Re: Fuel Pump Upgrade (sircrxracer)

I can only find the part # for 92-2000 Civics. This was the problem I was having before.

All I can find is a GS342. Would that one still work in my 89?

And a Talon on eh?... Hrm.. I know about four DSM owners that have all upgraded. I may have to look into that. I know you could use their injectors but had no Idea on the pump. Would a 99 Work?. I know were one is right now I could get for free.
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Old Feb 9, 2004 | 09:18 AM
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Default Re: Fuel Pump Upgrade (CarAudiophile)

The part # is GSS341 If anyone is curious.. Took me a couple minutes to find it..

But I am still curious if I have to use a First Gen or 2nd Gen Fuel pump or if they are the same pump in both Cars.
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Old Feb 9, 2004 | 09:25 AM
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Default Re: Fuel Pump Upgrade (sircrxracer)

https://honda-tech.com/zerothread?id=298292

Lightning Motorsports

190 lph $79 w/shipping
255 lph $89 w/shipping

Tom was very helpful, and I don't think you can buy a stock Honda pump for those prices......

PS... The 190lph is good up to 300HP..... All the Walbro pumps are physically the same, it's the installation kit that differs.
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Old Feb 9, 2004 | 09:39 AM
  #9  
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Default Re: Fuel Pump Upgrade (CarAudiophile)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CarAudiophile &raquo;</TD></TR><TR><TD CLASS="quote">The part # is GSS341 If anyone is curious.. Took me a couple minutes to find it..

But I am still curious if I have to use a First Gen or 2nd Gen Fuel pump or if they are the same pump in both Cars. </TD></TR></TABLE>

I used a 1 gen but if you could get a 2nd gen for free try it out. Rob
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Old Feb 9, 2004 | 10:12 AM
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Default Re: Fuel Pump Upgrade (CarAudiophile)

There was a thread not to long ago but a 90 DSM eclipse turbo fits right in and they are powerful enough for your needs.
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Old Feb 9, 2004 | 10:51 AM
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USDM 4G VTEC's Avatar
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Default Re: Fuel Pump Upgrade (Aragorn)

not to highjack the thread

but how many lph the Honda stock fuel pump does?
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Old Feb 9, 2004 | 10:57 AM
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Default Re: Fuel Pump Upgrade (CarAudiophile)

I used an 92-up civic fuel pump(255) from inline pro.To run my 91 civic b16 with drag 3 turbo.Worked excellent.
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Old Feb 9, 2004 | 11:58 AM
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Default Re: Fuel Pump Upgrade (Scarface928)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Scarface928 &raquo;</TD></TR><TR><TD CLASS="quote">I used an 92-up civic fuel pump(255) from inline pro.To run my 91 civic b16 with drag 3 turbo.Worked excellent.</TD></TR></TABLE>

So a 92 and Up will work.. Any Jerry Rigging or anything special or did it go right in.. I know I have to re-wire it I did one in a DSM and used 8 guage wire when I did it (handy to work at a CarAudio Store). But as far as fitment... It fit?
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Old Feb 9, 2004 | 01:11 PM
  #14  
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Default Re: Fuel Pump Upgrade (CarAudiophile)

Another question..


Do I have to drop the Tank for this install?. Or can I get to it from the backseat. I knwo the DSM I did you could get right into it from the back seat. But I was wondering on the EF if I have to drop the tank?. Just curious..
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Old Feb 9, 2004 | 04:26 PM
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Default Re: Fuel Pump Upgrade (CarAudiophile)

definatly gotta drop the tank for an ef install.
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Old Feb 9, 2004 | 04:32 PM
  #16  
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Default Re: Fuel Pump Upgrade (FkingSUV)

****.. That sucks.. Oh well..
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Old Feb 10, 2004 | 01:05 AM
  #17  
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Default Re: Fuel Pump Upgrade (CarAudiophile)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CarAudiophile &raquo;</TD></TR><TR><TD CLASS="quote">So a 92 and Up will work.. Any Jerry Rigging or anything special or did it go right in.. I know I have to re-wire it I did one in a DSM and used 8 guage wire when I did it (handy to work at a CarAudio Store). But as far as fitment... It fit? </TD></TR></TABLE>

Regardless of how you do it, a Walbro pump in a 1988-1991 car is not a match made in heaven. Simply put, these pumps were not made for 1988-1991 cars. And they don't let you forget it. When I found out that the stupid, aftermarket imitation DSM pump just wasn't working, I decided to give a Walbro pump a try. And now I wish I didn't. Even with the proper install kit, the setup just doesn't look reliable. Basically, the only thing holding the pump in is the outlet hose. The teeth on the bottom of the pump don't extend very far into the bottom mount. And unlike the larger Nippondenso pump, it is not cradled in the bracket. I feel so uneasy about the fuel pump mounting that I am going to toss that Walbro pump in the trash and just get a genuine DSM pump instead. So I lose the ~$100 I spent on the thing. But $100 is nothing compared to the cost (monetarily, physically, and emotionally) of dealing with being stranded in the middle of nowhere, which I felt was imminent with the Walbro pump.
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Old Feb 10, 2004 | 04:18 AM
  #18  
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Default Re: Fuel Pump Upgrade (StorminMatt)

u ARE aware u really dont need any pumps, or injectors for you setup

i ran only an FPR to cope with the fuel needs of full boltons and cams

i was going to run a stock pump and fpr/injectors for my 200whp project.

spend money where u need to and then u have the cash for the important stufgf
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Old Feb 10, 2004 | 01:03 PM
  #19  
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Default Re: Fuel Pump Upgrade (johnzm)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by johnzm &raquo;</TD></TR><TR><TD CLASS="quote">u ARE aware u really dont need any pumps, or injectors for you setup</TD></TR></TABLE>

From what I have seen, the stock pump is typically not up to the job. A simple test of fuel pump capacity is to see if the regulator is bypassing fuel back to the tank. The second this stops, the fuel pump is NOT supplying enough fuel. With my ITR motor, this happened at about 5500-6000RPM. So basically, the fuel pump could not supply sufficient fuel in VTEC.

Of course, the output of the stock pump (or any pump, for that matter) can be increased fairly easily. The issue here is fuel pump voltage. Thanks to the stock ignition switch, relay, and small gauge wiring, the voltage at the pump is typically about two volts less than at the battery. And this two volts makes a HUGE difference. Simply upgrading the wiring to the pump can make the stock fuel pump adequate for many applications.
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