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Old 03-27-2004, 16:38   #1 (permalink)
Chasing 500rwkw
 
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Turbo- LPG Vs Fuel Injection, which is better?

Next week I will have an EB falcon.
I want to turbo this car soon with the garret GT30 I have sitting in my room. It will be used for a low boost setup to start with and later after my engine carks it and I get a rebuild I will be aiming for high 11's if possible. The car will be driven daily. How much power would I need to reach that goal?

The car is dual fuel and I want to know which fuel system is better and why?

I know the required gas system will cost around $1500 plus tuning from gas research and will support 600hp which is the same as my turbo will flow. LPG can be made to meet EPA regs in an after market turbo setup.

Can the same be said for an aftermarket injection system?

What are the costs associated with upgrading injectors and fuel pumps, new EMS 8860 and adapter harness etc? Can any other engine management system control the 4 spd auto? As far as Im aware someone here has made an adapter to make the EMS plug and play.


What do you guys think?
Thanks
Dan
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Old 03-27-2004, 17:15   #2 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

4 speed auto will soon spit the dummy with that sort of power . i would go the gas it seems to work well with a turbo and the higher octain that gas has is also good
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Old 03-27-2004, 17:58   #3 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

The gas is a far more cost effective way of going, i was wondering thou for $1500 what are you getting, because my gas research setup on my car, S400 throttle body, twin converters and lockoffs etc. only cost me approx $800.

Don't worry about your 4speed auto, if fitted with correct shift kit, it will handle that sort of power. There are plenty of cars out there running those sort of times with the 4speed and handling it with ease.
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Old 03-27-2004, 18:06   #4 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

I found the actual prices I was told. I asked when I had a 250 crossflow using the 4 bbl manifold. Not sure if that makes a difference.

I was quoted for a Single Carb/Twin converter - $1350.00 for parts only to flow 600HP.

Where abouts did you get yours from EA turbo clone? Is there any problems with it? Is your setup engineered and legal?
What sort of power are you putting out can your fuel system flow?
How is your ignition sorted? can the standard ignition be used?

I was unsure about the LPG, it seems everyone opts for fuel injection and expensive aftermarket computers when LPG does the same job for less cash.
Gas-250 runs a 10.8 on LPG so it cant be that bad.

Thanks for yur help guys,
If I dont get any reasons why Fuel injection is so better much better for the money paid looks like LPG will be the way to go.

Dan
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Old 03-28-2004, 02:03   #5 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

i've been quoted $1400 for the underbonnet kit fitted for the gas research install, thats only the single throttle body/converter though, does anyone know how much the single throttle body can flow, i think the single converter/single throttle body flows about 300hp, is it just a matter of another converter to get the power up more?

is a 2nd converter a hard thing to add at a later stage?
keep me updated on how u go mate, i'm keen on the same thing!
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Old 03-29-2004, 18:02   #6 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

Dan,

Don't automatically think you have to go for overpriced lpg products because someone else uses them.

You can easily do all the work yourself, and source nearly all the parts required from either on your car, or at the local tip.

I've done 2 lpg turbo vehicles now, the first being a small vehicle, which cost me under $200 including turbo.

It has now done over 20,000kms turbo'd and already had 178,000 on the clock. It is driven extremely hard everyday, and is running perfect.

The other is only just completed, but I have full faith that we will have the same good results with it too on a 250 X-Flow for under $400

PM for more info :)
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Old 03-31-2004, 00:23   #7 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

TTNOS8- Your PMs are full
I cant ring you tonight, I have too much work to do. I will try and give you a call soon though.
I have gone off the n2o idea, My parents wont let me keep both fords so I have to sell the V8 unfortunately.
The EB is a more sensible car to drive everyday fuel economy wise but not half as fun. I drive 400kms a week for work.

Thanks heaps for your help,
Dan
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Old 03-31-2004, 03:05   #8 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

only 400km's a week
i'm up at about 800km's a week atm :o
turbo the EB!
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Old 03-31-2004, 04:46   #9 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

I only work 15 hours a week. 2 days of working.

400km is $120 of clevo petrol but with Dad's EA on gas only $20, I will save $100 a week by having the EB, The car will pay for itself in 15 weeks at that rate.
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Old 03-31-2004, 13:56   #10 (permalink)
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Re: Turbo- LPG Vs Fuel Injection, which is better?

No worries Dan,

PM Box not full now.

Call me and I'll explain how the LPG turbs are easy and cheap.
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