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Australian Falcons Discuss the australian born and bred models here. Includes the 80's 90's and present day Falcons offered by Ford Oz.

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Old 06-20-2004, 14:18   #1 (permalink)
jjj
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biggrin Improved fuel economy with MPI conversion.

As most of you are aware I converted my CFI EA to MPI about 2 weeks ago. This weekend was the big test as I had a 900km round trip to the coast and back. Well I ended saving about $25 fuel. Getting about 8-9l 100km on the highway sitting on 110km/hr. CFI was about 11-12l 100km. Around town was the greatest improvement with 11l per 100km compared with the CFI which was about 15l 100km. With these results the conversion will pay for itself within a year.

Cheers Luke. (jjj)
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Old 06-20-2004, 18:15   #2 (permalink)
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Re: Improved fuel economy with MPI conversion.

I found the same thing on country trips, except I can never get the same distance out of the tank city driving (think a lead foot enjoying the extra kw is the problem).
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Old 06-20-2004, 19:54   #3 (permalink)
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Re: Improved fuel economy with MPI conversion.

Yep, MPI should save you fuel, but you would be the first to notice it, most poeple see an increase in consumption after the conversion, simply because the love the new response and power it brings.
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Old 06-20-2004, 20:00   #4 (permalink)
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Re: Improved fuel economy with MPI conversion.

I was gonna post a separate thread on this but now this is here...

How can you tell if your EA is CFI or MPFI? I take that MPFI stands for Multi Point Fuel Injection.

My EA is a June '88 model. Which probably means it's a CFI. Hell, it may even be the 3.2 litre donk . Also, can you tell if the MPFI conversion has already been done?
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Old 06-20-2004, 20:37   #5 (permalink)
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Re: Improved fuel economy with MPI conversion.

The CFI's have a big black tennis raquet type thing that sits over a throttle body (very similar to a carby) and the MPFI's have an airbox that sits in the engine bay behind the r/h headlight. The MPFI's also usually have "3.9i Multi-Point" badges on the front guards.

Being an 88 GL, I'd say it's fairly safe to assume it's CFI, but there were a few MPFI's so you could be lucky.
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Old 06-20-2004, 20:58   #6 (permalink)
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Re: Improved fuel economy with MPI conversion.

Not that lucky. I've got that black tennis racquet sitting in my engine bay. I'll have to really consider doing that real soon. Any idea on cost of converting it?
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Old 06-20-2004, 21:00   #7 (permalink)
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Re: Improved fuel economy with MPI conversion.

Bout $250-$500 for parts, rest you can do yourself.
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Old 06-20-2004, 21:02   #8 (permalink)
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Re: Improved fuel economy with MPI conversion.

Well, I'm not that mechanically minded. So how much for a full install?
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Things coming soon: CD Player, Bumper Change, MPFI Conversion
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Old 06-20-2004, 21:25   #9 (permalink)
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Re: Improved fuel economy with MPI conversion.

Quote:
Originally Posted by Pudding
My EA is a June '88 model. Which probably means it's a CFI. Hell, it may even be the 3.2 litre donk . Also, can you tell if the MPFI conversion has already been done?
You would be the bomb if you had a 3.2L!
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Old 06-21-2004, 00:11   #10 (permalink)
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Re: Improved fuel economy with MPI conversion.

Pudding, have a look at the front of the head and there should be a 3.2L or 3.9L cast into it. That tells you which engine it is.
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1992 AXII Telstar TX5 Ghia

121kW 2.5L DOHC V6 in a car that weighs 1100kg's and looks like a 4 banger from the outside......SLEEPER!

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Latest update......MPFI!!
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