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Old 03-07-2007, 01:32 PM   #1
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Default Fuel Pump question

hey guys.. The turbo that i will be running is a sr20 T25 and I plan on boosting around 7 -8 pounds daily. The question is.. do i need the 255 fuel pump or the 190? and also.. i was looking for a reputable site to purchase a fuel pump but couldnt find one. Can someone post a site where i can buy whichever fuel pump you think i should get? thanks
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Old 03-07-2007, 01:41 PM   #2
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Go for the 190lph HP at lightning motorsports

http://www.lightningmotorsports.com/
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Old 03-07-2007, 02:20 PM   #3
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190 HP, read my FAQ why.
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Old 03-07-2007, 02:49 PM   #4
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uhh stupid question.. but is our car in tank fuel pumps?

if they are in tank fuel pumps... its this the right one to get?
http://shopping.lightningmotorsports..._Kit-p-89.html

i noticed the fuel pump was for a 94+ miata and mines a 1990. would this still work? thanks
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Old 03-07-2007, 02:51 PM   #5
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yes, read my DIY PROJECTS and see what it looks like and how to do it :gay:

15-30min job
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Old 03-07-2007, 03:19 PM   #6
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Flyinmx5 you realy need to read the DIY manual Braineack assembled and tweaked for us please. It will be alot quicker for you as all the basic questions are covered. BTW fuel pump swap is a 20 minute jobs on these cars frigin easy as hell.
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Old 03-07-2007, 03:41 PM   #7
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Anybody know if the 190lph-HP works for the 99+ NB miata too?
I know the newest fuel system is returnless, but the pump should work, right?
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Old 03-07-2007, 04:34 PM   #8
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You don't need a high pressure pump in your NB since you're running big enough injectors and an EMU.

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Old 03-07-2007, 04:44 PM   #9
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People have reported that the NB's pump can't hold 60 psi under load.
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Old 03-07-2007, 04:50 PM   #10
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by people do you mean POPSTOY?
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Old 03-07-2007, 04:54 PM   #11
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Is it wrong to hate somebody on the internet?
Cuz I ****** HATE that guy.
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Old 03-07-2007, 04:54 PM   #12
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No And Yes Me Too!!!!
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Old 03-07-2007, 11:06 PM   #13
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Quote:
Originally Posted by Ben View Post
Is it wrong to hate somebody on the internet?
Cuz I ****** HATE that guy.
you aren't alone on that
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Old 03-07-2007, 11:07 PM   #14
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Quote:
Originally Posted by jhoexp View Post
Anybody know if the 190lph-HP works for the 99+ NB miata too?
yes it does work, I've got a 190hp pump in my 99 and it used to have a 255hp (moron previous owner) that worked fine too.
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Old 03-08-2007, 10:39 AM   #15
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Quote:
Originally Posted by Fritch View Post
you aren't alone on that

C'mon. You HAVE to have a return fuel system in an NB to run more than 180 whp. POPSTOY said so.

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Old 03-08-2007, 10:56 AM   #16
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yeah and 99-01 injectors are 260cc at 43.5psi, because, he saw it himself
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Old 03-08-2007, 11:49 AM   #17
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Ouch whole lot of love.
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Old 03-08-2007, 06:45 PM   #18
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Ahaha, you guys make this forum so much fun than miata.net

So a 190lph-hp isn't worth on a '99 nb?
Do you think that making the dual feed mod on my returnless fuel rail (removing the pressure damper) and keeping the stock fuel pump will be ok for 200-220whp?
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Old 03-08-2007, 06:50 PM   #19
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If I had the returnless fuel system, I would try to come up with a way to put a pressure/boost sensitive FPR in the back and rip out the OEM setup. Surely somebody with an NB and turbo has looked into this. Running a vac/pressure line is much easier than a fuel return line.
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