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Author
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Topic: supercharger fuel problems
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j_yates78
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Member # 1791
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posted
 
 
Ok so I need some help again…
I have a hci built engine, and a vortech pushing about 12# boost, I have upgraded the fuel tank to a 03 cobra with two svt focus fuel pumps. I needed the upgrade because I ran out of fuel at 5K rpm during the original tune (running 42# injectors, lightning mass air, and 1 svt focus pump in original fuel tank) now I have the upgraded pumps and tank I need injectors, mass air, and a connection from mass air to supercharger (power pipe?) but what combination? I have been told conflicting stories and I want to get your opinion.
I have an SCT chip.
One scenario – 90mm SCT mass air, 60# injectors, and an Anderson power pipe.
Any suggestions or differenced of opinion?
Also what type of injectors do I need high or low impedance?
Thanks
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99 Cobra HCI/Vortech
Koni Yellows
Griggs Subs
Eibach Springs
MM C/C plates
4.10's
Posts: 148 | From: Santa Clara | Registered: Sep 2002
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CDT
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Member # 5004
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posted
do you have a vortech aftercooler??
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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MINGRYGT
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Member # 2439
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posted
I Have the pro-m 92mm?? maf and s deka 60lb inj, with the stock 03 cobra tank and pumps and have more then enough fuel, so unless your putting out more the 550-575 rwhp, that set up should be good.
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R.I.P. MIKE STARKEY 5-17-03
Posts: 488 | From: Concord | Registered: Feb 2003
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SPEC -Fabrication
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Member # 4980
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posted
good question, I am in the middle of my build up, I was gonna run the focus pump also but damn I may have to run 2 also? I have the 90mm with 42's 12psi Vortec,ported pi heads cobra shortblock,so we will be playing with the boost. ![[Big Grin]](biggrin.gif) also, let me know so I can have my shiat here when we install everything. I dont want to wait for something I could have on hand.
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1999 Saleen#124
1997 Tahoe
2006 ZX636R
CWS certified welder
Posts: 1321 | From: drinkin BEER! | Registered: Oct 2004
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j_yates78
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Member # 1791
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posted
I am now having a upgraded fuel line and rails put in. The 42# injectors are going back in too. I will need to go forward on the sct mass air, and power pipe.
I do not have an intercooler, i was considering water/methanol injection becasue of the additional expense 1500 bucks for an aftercooler is a bit steep.
any suggestions???
Posts: 148 | From: Santa Clara | Registered: Sep 2002
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CDT
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Member # 5004
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posted
the reason I asked is because we you put the battery in the trunk it causes a lot of troubles like you have
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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j_yates78
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Member # 1791
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posted
any ideas what i will be running after the tune?
~480hp? what about torque?
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99 Cobra HCI/Vortech
Koni Yellows
Griggs Subs
Eibach Springs
MM C/C plates
4.10's
Posts: 148 | From: Santa Clara | Registered: Sep 2002
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