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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 03-05-2007, 06:15 PM   #1
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Default just double checking.

http://shopping.lightningmotorsports...&cat=24&page=1

this is the correct flowing 190lph walboro fuel pump I need right, I see theres 2 of them in the scroll window
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Old 03-05-2007, 06:22 PM   #2
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you want the HP model right? it's the one with part #
F2(a bunch of zeros)141

The GS model is not HP
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Old 03-05-2007, 06:25 PM   #3
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thats what I needed to know, the hp unit or the lph unit, Im placing an order today and need to be sure what im getting, boost levels planned stay between 8-10 psi
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Old 03-05-2007, 06:26 PM   #4
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HP. high pressure.


From the site:

Selected options:
Pump Size: 190lph HP (WAL F20000141) (+5 bucks)

That's the one I bought.
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Old 03-05-2007, 06:28 PM   #5
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Probably either would work, but I'd be safe and get the HighPressure model with the F2 part # and not the GS standard pressure model.
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Old 03-05-2007, 06:32 PM   #6
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awsome just what I needed , thanks guys
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Old 03-06-2007, 02:01 AM   #7
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haha Rican you and are should be done around the same time lol I'm ordering my Walbro this week lol. I was planning on going with the 255 HP though for bigger plans in the future.
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Old 03-06-2007, 02:06 AM   #8
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cant the 190 handle like 400 whp?
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Old 03-06-2007, 02:12 AM   #9
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Quote:
Originally Posted by mxv View Post
cant the 190 handle like 400 whp?
Really? I wasn't aware.. maybe the 190 it is.
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Old 03-06-2007, 09:47 AM   #10
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don't buy the 255.


why?


well I'll quote myself:

Quote:
Originally Posted by Braineack Jack
For the longest time the Walbro 255 lb/h fuel pump had been the accepted pump for FI Miatas. The 255 flows more fuel at any giving pressure level than is needed. They tend to overload the OEM FPR and cause the system to run rich even in vacuum.

Regardless, there are still a few options in fuel pumps. The ideal pump is the Walbro 190 lb/h HP fuel pump. HP stands for high pressure. It is important you get a HP unit if you plan on raising the fuel pressure levels past 90psi. The HP models can supply fuel up to 130psi. The standard 190 lb/h fuel pump is maxed at 90psi and the standard 255 lb/h pump is maxed at 80psi. The 190 HP unit will not only supply four 700cc injectors with enough flow to maintain 40-50psi in the fuel rail (enough for 400hp), but out flows the 255 HP model after 100psi.
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