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GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Starting SC install soon need some help and advice

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Old Aug 2, 2011 | 07:52 PM
  #1  
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whitegs430
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Default Starting SC install soon need some help and advice

I bought a used LMS super charger kit for my 2003 GS430 a little while ago. I want the install and tune done right for proper performance and reliability.
Im going to be running a centrifical Procharge with 4-5 psi of boost. for those of you farmilar with the LMS kit it uses the stock injectors, stock fuel pump and a in line external fuel pump with a controler that just boosts the fuel pressure according to the amount of boost from the sc. This method works but i think it can be set up better. Ive read dozens and dozens of post about FI V8 but alot are opposite to each other and most are on the GS400 not the GS430.
My plan is to run a piggyback controler and tune it, instead of the extra inline fuel pump.
My main questions are:

What type of piggy back is recomended? Ive read about the Safc2, the neo and the greddy emange being used. I curently have a Safc2 in my basement but wont mind buying something else if it will work better.

Should i install a high flow intank fuel pump? (im going to be running 4-5 psi boost)

Will the stock injectors be ok?


Any help would be much appreciated, i would love to talk to someone who has a SC gs430

Thanks
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Old Aug 2, 2011 | 08:00 PM
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I don't have GS400 specific experience but I ran 10psi on a '06 Mustang http://www.cardomain.com/ride/2518964/2006-ford-mustang

I'm sure at 4-5 lbs you can squeeze more pressure out of the injectors but from what I remember it is better to cycle a larger injector at a lower rate than cycle a smaller at a higher rate.
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Old Aug 3, 2011 | 04:14 PM
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Originally Posted by Vegas
I don't have GS400 specific experience but I ran 10psi on a '06 Mustang http://www.cardomain.com/ride/2518964/2006-ford-mustang

I'm sure at 4-5 lbs you can squeeze more pressure out of the injectors but from what I remember it is better to cycle a larger injector at a lower rate than cycle a smaller at a higher rate.
ya im pretty sure i can use the stock injectors, more wondering what piggyback works best and fuel pump.
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Old Aug 3, 2011 | 05:57 PM
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subscribed..I'm in starting the same project however i have a gs400 and i need to piece my kit together. bracket,piping etc. hopefully current sc gurus can chime in and help. sorry didnt mean to thread jack. I'm ready to see this project underway.
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Old Aug 5, 2011 | 06:32 PM
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Well thanks for the help everyone I guess i will just use the SAFC2 and the stock injectors and fuel pump for now.
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Old Aug 5, 2011 | 06:48 PM
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I can help you...pm me
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Old Aug 5, 2011 | 08:24 PM
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the tune is the most important especially with our weather... you may need one tune for the winter cold starts and another for summer drives.

Good luck with the project
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