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cfi to mpi 

 

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 Post subject: cfi to mpi
Posted: Sun Feb 06, 2005 1:28 am 
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hi does anyone know what is involved to convert a ea centre point to multi point,been told it is possible.
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Posted: Sun Feb 06, 2005 1:54 am 
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entire engin or just injection?

either way u need wiring loom including dash wire loom, so your dash has to come out, ECU and fuel pump ..

 

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Posted: Sun Feb 06, 2005 4:48 pm 
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if you want, I got all you need for converting CFI to MPFI, Ive got a 3.9 litre MPEFI fairmont ghia sitting in my garage... only problem would be getting it all over to you.

from what I know you need the ECU, fuel pump, injectors, fuel rail, wiring loom, the head, air box assembly, throttle body?, and probably some more stuff?



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 Post subject: cfi,mpi
Posted: Thu Feb 10, 2005 2:56 pm 
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ive been told you dont need to change the head.
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Posted: Thu Feb 10, 2005 3:00 pm 
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the heads are the same cfi or mpfi, you will need inlet, throttle body, fuel rail, injectors, wiring looms, ecu, fuel pump, inlet piping, airbox, snorkle, and the dizzy is highly advisable although mixed results have been acheived without changing it.

 

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Posted: Thu Feb 10, 2005 3:19 pm 
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Dellboy999 wrote:
the heads are the same cfi or mpfi, you will need inlet, throttle body, fuel rail, injectors, wiring looms, ecu, fuel pump, inlet piping, airbox, snorkle, and the dizzy is highly advisable although mixed results have been acheived without changing it.


I remember seeing some old CFI heads many years ago that didn't have the cut out for the injectors in the inlet ports, maybe later ford put the same head on either model. Worth checking before attempting upgrade.

 

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Posted: Thu Feb 10, 2005 3:28 pm 
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Maybe in the XF, but the carby fed XF that I had, 88 model the head had cutouts for the injectors.

 

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Posted: Thu Feb 10, 2005 3:51 pm 
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Dellboy999 wrote:
Maybe in the XF, but the carby fed XF that I had, 88 model the head had cutouts for the injectors.


I was told they were EA heads, but maybe they weren't, it was a while ago.

 

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Posted: Thu Feb 10, 2005 4:17 pm 
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The injector 'cutouts' are in the inlet manifold, not the head, although the port shape is designed with the port injection in mind.

I cant imagine how MPEFI would work on the CFI Dizzy. Theres no Sync point for TDC1

 

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Posted: Thu Feb 10, 2005 4:20 pm 
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madmax wrote:
Dellboy999 wrote:
Maybe in the XF, but the carby fed XF that I had, 88 model the head had cutouts for the injectors.


I was told they were EA heads, but maybe they weren't, it was a while ago.


either way pull the inlet off and check, the cost of the gasket is cheap compared to the heartache of having to down tools and not being able to do the project.

 

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Posted: Thu Feb 10, 2005 4:36 pm 
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who replaces those gaskets? :P

'Incase of emergency, use dremel!'

hehe

 

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Posted: Thu Feb 10, 2005 4:41 pm 
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Waggin wrote:
The injector 'cutouts' are in the inlet manifold, not the head, although the port shape is designed with the port injection in mind.

I cant imagine how MPEFI would work on the CFI Dizzy. Theres no Sync point for TDC1


I am refering to the cut outs in th ports (Port shape) The heads I saw did not have them.

 

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