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#1
11-21-2006, 10:17 PM
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Upgrading Fuel system... opinions
Well it is time for me to upgrade my fuel system. I will be buying a Walbro 255HP fuel pump tomorrow. Now I really want to get some power out of my Big 16G. I have heard that max boost on pump gas is around 24~psi. So since I will be using a SAFC2 which injectors should I use that will satisfy the turbo. Also I will get megan racing fuel pressure regulator and maybe a fuel rail ( is it that necessery to have aftermarket fuel rail). So basicly : I want to get about maybe 19psi out of my 16G if possible. I am confused about the injectors since I really dont know whats the biggest injectors safc can control. If I get say 750cc with the walbro and megan fuel pressure regulator, using the safc to tune it hoiw many pounds of boost should I be able to get out of the Big 16G keeping my engine on the safe side of course.
thanks guys
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1997 Eclipse GSX 
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#2
11-21-2006, 10:31 PM
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Re: Upgrading Fuel system... opinions
You can't controle 750cc injectors with the SAFCII. Compensation is only +/-50%. Please don't get the Megan Racing FPR. It's not somthing I personaly would trust with fuel. Get a Aeromotive 13109 with Marchel liquid gauge. Don't bother with a fuel rail, and buy a fuel pump rewire kit.
Thank-you drive through..
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DSM geek
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#3
11-21-2006, 11:38 PM
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Re: Upgrading Fuel system... opinions
get 550's kevin wrote a nice write up on 550 v 660. He decided on the 550
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FP 18g turbo e3 o2 & mani, 3" exhaust, , 7 bolt, wiseco/eagle, walbro 255hp re-wired, Aeromotive FPR, FIC 1150cc, injen intake, greddy RS, aem wideband, turbo xs mbc, act 2600 clutch sprung 6 puck, BC 272's, dsmlink v2.5, ETS FMIC, Devils Own, JMF SMIM. 18 Inch chrome rims In closet AEM Fuel Rail, SS Lines, 1997 TSI AWD Diamonds Are 4Ever 12.7 @ 107 http://i83.photobucket.com/albums/j2...y/DSC00461.jpg
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#4
11-21-2006, 11:39 PM
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Re: Upgrading Fuel system... opinions
Quote:
Do what scottsee says. Also, Why would you want to spend 250 dollars on an SAFC when you can spend 500 and just get DSMlink. Than you can run whatever size injectors you want. We have a saying. Mod right or mod twice. Even if you never go bigger than a 16g, You can make more power off of it with dsmlink than with a SAFC.
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1991 GSX 2.3 Stroker
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#5
11-22-2006, 01:33 AM
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Re: Upgrading Fuel system... opinions
If you really want to go with the AFC then 660s is the biggest you should go...but if you are only looking to run that much boost then 550s are fine...and you dont need a fuel rail...and get the Aeromotive FPR...dont waste your time and money on the Megan one...
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1998 Eclipse GSX 6 Bolt swap MHI Big 16g FP Race Manifold Apex'i N1 Cat-back Apex'i N1 Downpipe Walbro 255 fuel pump GReddy Type S BOV Turbo XS Boost Controller Balance Shaft Elimininator ACT 2600 RRE 11lb No Name Flywheel Prothane Motor Mounts Tokico Illuminas Advanced Handling Kit RRE Front and Rear strut tower bars RMDSM Front and Rear Sway Bars TRE Stage 2 Tranny ARP Head Studs, Main Studs, Rod bolts
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#6
11-22-2006, 01:55 AM
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Re: Upgrading Fuel system... opinions
IIRC, 680's is the absolute biggest injectors that the SAFC can handle without it being a complete total waste of money.
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95 Talon TSI AWD 97 Eclipse GST 
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