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12-12-2009, 07:48 AM
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#1
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Supporting Member
Join Date: May 2009
Location: Perkasie, PA
Posts: 333
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Vortech lt1 fuel upgrading
Bought a used kit for my 1994 trans am, will be installed over the course of the winter. Until then, I have a few needs so i don't grenade.
Size and brand injectors?
Kit didn't come with an FMU, need one obviously, any recommendations?
Walbro 255 fuel pump enough?
Should I cut the access panel for a new fuel pump?
Thank you in advance.
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1994 Victory Red T/A A3
Ram Air, TH350 swap; 2200 stall, UMI Tunnel Mount Torque Arm, LCA Relocation, Pacesetter LT's, Pacesetter ORY, SLP LM1, Vortech v1 S-trim @ 7psi, AC delete, NGK TR6s, MSD wires, Innovate Wideband, SportComp II boost+fuel pressure.
Currently waiting to be tuned @ PSI Motorsports
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12-15-2009, 11:05 AM
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#2
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Regular Member
Join Date: Mar 2007
Location: Cen-Tex
Posts: 83
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I wouldnt go with the FMU. Pay for a dyno tune. It will be more benificial.
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1997 Black T/A w/ a 383, ATI Intercooled Procharger, AFR heads w/ Port and polish, Comp Cam, TPIS 58mm TB, Bosch 42# injectors, Hooker L/T headers, MSD 6AL, Areomotive Fuel Pressure Regulator w/ boost ref, ATI harmonic balancer, 1.6 Roller Rockers, McLeod Dual Friction clutch, Pro 5.0 w/ Lou's short stick, Strange 12 bolt w/ 3.73 gears, Lakewood traction bars, 17" Chrome Torq Thrust "M" w/ 275's up front and 315's in the rear, Pro 5.0 w/ Lou's short stick.
Tuned by Moe Bailey 
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02-02-2010, 04:13 PM
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#3
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Regular Member
Join Date: Feb 2007
Location: Hillsboro, Tn
Posts: 71
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I am in the same boat. Bought a used Vortech without FMU or pump. Was wondering what pump Im gonna need and how to go without the FMU. Also missing the MSD box, any suggestions would be great!
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95 LT1-LT4 Hotcam, 1.6RR, 52mm TB, Ceramic coated headers, No emmissions, accel 8mm wires, MSD coil, Aeromotive fuel pressure reg, etc.
4l60e with Transgo Shift kit and cooler, Positraxx locker, 3:48 gears, more to come!
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02-03-2010, 04:54 PM
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#4
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Regular Member
Join Date: Jan 2010
Location: long island
Posts: 94
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you dont need the fmu. you can just get the computer tunes for the supercharger.
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1996 Trans am ws6, trick flow heads, comp cam, edelbrock intake, 1.5 roller rockers. hooker long tubes, x pipe, tuned by pcmforless. racetronix pump.
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02-24-2010, 06:26 PM
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#5
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Supporting Member
Join Date: May 2009
Location: Perkasie, PA
Posts: 333
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do not need an fmu or msd box.
racetronix.com for your fuel pump, aeromotive fuel pressure regulator from herronperformance, bigger injectors like 42lbs or 60s like me.
__________________
1994 Victory Red T/A A3
Ram Air, TH350 swap; 2200 stall, UMI Tunnel Mount Torque Arm, LCA Relocation, Pacesetter LT's, Pacesetter ORY, SLP LM1, Vortech v1 S-trim @ 7psi, AC delete, NGK TR6s, MSD wires, Innovate Wideband, SportComp II boost+fuel pressure.
Currently waiting to be tuned @ PSI Motorsports
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02-28-2010, 04:27 PM
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#6
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Regular Member
Join Date: May 2007
Location: Good Ole Wv
Posts: 5,073
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Quote:
Originally Posted by LTWon
do not need an fmu or msd box.
racetronix.com for your fuel pump, aeromotive fuel pressure regulator from herronperformance, bigger injectors like 42lbs or 60s like me.
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 The regulator agian? Not needed. But you say 42's or 60's. Hmm I thought 60's are easier on the fuel pump?
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1995 T/A M6: -Tops,390 Eagle Forged Fully Built Stroker,Procharged at 12lb'z(Currently Down)
1995 T/A M6:Hard Top, Stock cube, cc502 w/1.6's, Ls7 Lifters, Summit Pushrods/Guide Plates, 10.734:1, P&P Heads, Arp H/B's, P&p Intake, 30lber's, No Emissions, Flowmaster Catback, K&N Intake, Longtubes & Ory, Pro 5.0, 3pt connectors, Lowered 1.5in, 2.5 Cowl hood, ws6 wheels & Tune by Solomon
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02-28-2010, 05:37 PM
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#7
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Supporting Member
Join Date: May 2009
Location: Perkasie, PA
Posts: 333
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Quote:
Originally Posted by 2fast4u88
The regulator agian? Not needed. But you say 42's or 60's. Hmm I thought 60's are easier on the fuel pump? |
I dont know how they do shit in west virginia but I don't remember anyone tuning a car around here bitching about a regulator. I know 60s are big and I used them because I got quite a deal, 200$, I said 42s hoping you would back off a little. At least I'm still trying to help people instead of the flaming.
__________________
1994 Victory Red T/A A3
Ram Air, TH350 swap; 2200 stall, UMI Tunnel Mount Torque Arm, LCA Relocation, Pacesetter LT's, Pacesetter ORY, SLP LM1, Vortech v1 S-trim @ 7psi, AC delete, NGK TR6s, MSD wires, Innovate Wideband, SportComp II boost+fuel pressure.
Currently waiting to be tuned @ PSI Motorsports
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03-02-2010, 03:42 AM
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#8
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Regular Member
Join Date: May 2007
Location: Good Ole Wv
Posts: 5,073
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I don't know how they do shit in pa either. But you do not need a stupid adjustable regulator. So get off your high horse. You may be helping by telling them to get crap they don't need.
In which as i said it is not needed. Plus cranking the fuel pressure up can cause tuning problems. 60's may have been a deal. But I guess your tuner didn't tell you that you can go to big either. I ran 42's in my procharged 383. Where they were maxed out. So trust me if you don't have other mods just boosted 60's are not needed.
On top of that on a boosted car it doesn't hurt having a ignition box. To be honest it should have one. Just the boost retard built in isn't clear needed but it better to be safe than sorry.
As for hijacking your thread. I just told you that it wasn't needed. In which I have done seen you say that it was twice. Along with the stupidest thing ever was the part about bigger injectors causing less stress on the fuel system. Which is a joke.
__________________
1995 T/A M6: -Tops,390 Eagle Forged Fully Built Stroker,Procharged at 12lb'z(Currently Down)
1995 T/A M6:Hard Top, Stock cube, cc502 w/1.6's, Ls7 Lifters, Summit Pushrods/Guide Plates, 10.734:1, P&P Heads, Arp H/B's, P&p Intake, 30lber's, No Emissions, Flowmaster Catback, K&N Intake, Longtubes & Ory, Pro 5.0, 3pt connectors, Lowered 1.5in, 2.5 Cowl hood, ws6 wheels & Tune by Solomon
Last edited by 2fast4u88; 03-02-2010 at 03:47 AM.
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03-03-2010, 01:13 AM
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#9
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Supporting Member
Join Date: May 2009
Location: Perkasie, PA
Posts: 333
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yeah your right. i should leave the thinking to you
__________________
1994 Victory Red T/A A3
Ram Air, TH350 swap; 2200 stall, UMI Tunnel Mount Torque Arm, LCA Relocation, Pacesetter LT's, Pacesetter ORY, SLP LM1, Vortech v1 S-trim @ 7psi, AC delete, NGK TR6s, MSD wires, Innovate Wideband, SportComp II boost+fuel pressure.
Currently waiting to be tuned @ PSI Motorsports
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03-07-2010, 09:33 PM
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#10
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Regular Member
Join Date: May 2007
Location: Good Ole Wv
Posts: 5,073
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I feel special......
__________________
1995 T/A M6: -Tops,390 Eagle Forged Fully Built Stroker,Procharged at 12lb'z(Currently Down)
1995 T/A M6:Hard Top, Stock cube, cc502 w/1.6's, Ls7 Lifters, Summit Pushrods/Guide Plates, 10.734:1, P&P Heads, Arp H/B's, P&p Intake, 30lber's, No Emissions, Flowmaster Catback, K&N Intake, Longtubes & Ory, Pro 5.0, 3pt connectors, Lowered 1.5in, 2.5 Cowl hood, ws6 wheels & Tune by Solomon
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