Forced Induction Custom FI Setup Questions

I am having a hard time deciding what to do about my fuel pump

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Old Apr 14, 2005 | 08:46 PM
  #1  
Atheist's Avatar
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Default I am having a hard time deciding what to do about my fuel pump

My setup is all here and ready to go. The important factors are brand new RC 550 cc's on my b16 with a gt28rs.

I already have WAY too much money into the setup, and don't want to push my motor past 250whp. I know the injectors are a little too big, but that just leaves room for upgrade

My question is, conservatively tuned and capping at 250whp or around 7-8psi, can I run stock fpr and fp? I'd really like to avoid the extra 200 a fp and fpr would run me, my bank account is seriously making me want to sell my project and it hasn't even run yet. I'm not going to, but any more money into it (I have about another known 1k to spend on the car) and I might change my mind.

let me know!
Old Apr 14, 2005 | 09:22 PM
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NBLKID's Avatar
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Default Re: I am having a hard time deciding what to do about my fuel pump

You dont have to do anythign to crazy, get a walboro 190 fuelpump of ebay for 80 bucks buy it now and you should be good, if you want to be on the save side. Im running a b16 setup in my crx with 450's and I am going to be using that fuel pump, but thats just my 2 cents.
Old Apr 15, 2005 | 01:03 PM
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chinoy's Avatar
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Default Re: I am having a hard time deciding what to do about my fuel pump

I saw one of those pumps go for like 10$ on ebay.
Using BSFC you can figure out how much gas your going to need to burn. To make those numbers.
THen do some flow tests with your pump to see if she will keep up.
Old Apr 15, 2005 | 02:37 PM
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Default Re: I am having a hard time deciding what to do about my fuel pump

keep the stock fpr and get a walbro fp. that should be fine.
whats ur fuel mgmt?
Old Apr 16, 2005 | 07:49 AM
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Default Re: I am having a hard time deciding what to do about my fuel pump

uberdata.

I was worried about running to high of fuel pressure if I got a bigger fp, bnut I guess since Ill bne on the dyno itll all even out.
Old Apr 16, 2005 | 10:01 AM
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Default Re: I am having a hard time deciding what to do about my fuel pump

Originally Posted by Atheist
uberdata.

I was worried about running to high of fuel pressure if I got a bigger fp, bnut I guess since Ill bne on the dyno itll all even out.
If you don't feel like ebay... i think its lightning motorsports over on honda-tech always has them for like 79shipped with install kit.
Old Apr 16, 2005 | 04:40 PM
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Default Re: I am having a hard time deciding what to do about my fuel pump

Originally Posted by Atheist
uberdata.

I was worried about running to high of fuel pressure if I got a bigger fp, bnut I guess since Ill bne on the dyno itll all even out.
Get a walbro 255 lph. The regular one, NOT the hp one. Hp stand for high pressure. They only cost like $90 or less. Use your stock fpr and you should be good to go without any fuel pressure increase.
Old Apr 18, 2005 | 02:28 AM
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Default Re: I am having a hard time deciding what to do about my fuel pump

Stock fuel pump can handle 250 whp. They are relaible at close to 300.

FPR? What for? Stock fuel rail, lines, and FPR with big fat injectors and a Walbro 255 have been good enough to kiss 600 whp on a couple of rides. Wouldn't trust the lines/rail past 550, personally, but I'm a gutless ----- like that.

Comparing GSS342 vs GSS315 (high press vs regular) is an interesting exercise... I wish I'd never gotten a GSS315 for the CRX.
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