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mpfi 4.0lt to 3.9lt cfi 

 

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 Post subject: mpfi 4.0lt to 3.9lt cfi
Posted: Wed Apr 27, 2005 9:48 pm 
Getting Side Ways
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Location: MAFFRA
VIC, Australia

im putting a 4.0lt from a non smartlock eb into an EA which has a 3.9cfi...do i need to change all the ecu wiring looms or will it all plug in to same plugs as cfi loom?

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Thu Apr 28, 2005 11:10 am 
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Ride: XR8(EF) & XR8BOSS290 Ute(FG)

Location: Sydney
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One of my mates did this and never had any troubles with it.

 

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Posted: Mon May 16, 2005 8:23 pm 
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Location: MAFFRA
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do you know if he had any other probs?does he have an e mail addy?id like to talk to him about it!

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Tue May 17, 2005 1:34 pm 
Getting Side Ways
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Ride: XR8(EF) & XR8BOSS290 Ute(FG)

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I dont think he even has a computer, let alone an email address.

It must have been a pretty straight forward job, as he is not the sharpest tool in the shed, but managed to get it done and going with no problems.

 

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Posted: Tue May 17, 2005 10:11 pm 
Getting Side Ways
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Location: Quakers Hill
NSW, Australia

Original ECU, sensors and wiring for 2 injectors, not 6. If it was a motor transplant preserving throttle body injection, there still may be sensor differences and incompatibilities. I remember seeing an article kicking around on one of the other Ford sites detailing the MPFI conversion from CFI. Anyone remember where?

 

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