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Mpi Conversion Help 

 

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Posted: Mon Aug 13, 2007 5:23 pm 
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i just check all my plugs for spark and from front of motor the 3rd and 6th plug wasnt firing
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Posted: Mon Aug 13, 2007 7:25 pm 
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if it pops in the intake, the dizzy is probably 180 degrees out.

 

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Posted: Mon Aug 13, 2007 8:18 pm 
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i dont know how that could be . the dizzy hasnt been toched and what about the two plugs that aint firing could that be to do with the firing order. and the plugs are brand new
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Posted: Mon Aug 13, 2007 9:17 pm 
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The car was running fine before hand? A faulty coil of dizzy cap could do that. CHack that you havent knocked of or mixed up the wires under the intake manifold easily done. Make sure the fuel lines are't mixed up too. (fuel in goes through regulator first obviously)

 

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Posted: Mon Aug 13, 2007 10:28 pm 
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so the line that has fuel going through it go's to the regulator. i throught it go's to the injector rail

im taken the manifold off on the weekend and check all the wiring and replace the leads
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Posted: Tue Aug 14, 2007 12:03 am 
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the fuel comes into the fuel regulator which then leads to the fuel rail. I made this mistake on my first conversion & it wudn't start

 

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Blast from the past.....
1973 HQ 253 Premier sedan, 1991 EA 3.9lt 30 anniversary sedan
1978 XC 250 Falcon 500 sedan, 1988 EA 3.9lt Fairmont sedan
1994 EF 4lt Gli Wagon 1995 EF 4lt XR6 sedan (now gas~!)
1996 Ef Gli sedan, 1988 GPX 250r, 1999 ZX9R Ninja

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Posted: Tue Aug 14, 2007 5:05 pm 
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Sik_Cordz wrote:
i dont know how that could be . the dizzy hasnt been toched and what about the two plugs that aint firing could that be to do with the firing order. and the plugs are brand new


CPI and MPI have different dizzy's you need an MPI one. that could be your problem!

 

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Posted: Wed Aug 15, 2007 10:17 pm 
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but i hear of heapz of people that use the cpi dizzy and i really confused i throught the line with fuel coming out go's to the fuel injector line and the other line go's to the regulator
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Posted: Wed Aug 15, 2007 11:20 pm 
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Smokey...Retired! wrote:
the fuel comes into the fuel regulator which then leads to the fuel rail. I made this mistake on my first conversion & it wudn't start


No.... The line where the fuel squirts when the pump is activated goes to the fuel rail... The return line goes onto the end of the Reg...

 

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Posted: Wed Aug 15, 2007 11:24 pm 
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ebfairmont3.9 wrote:
Smokey...Retired! wrote:
the fuel comes into the fuel regulator which then leads to the fuel rail. I made this mistake on my first conversion & it wudn't start


No.... The line where the fuel squirts when the pump is activated goes to the fuel rail... The return line goes onto the end of the Reg...


f**k yeah im not a total dumb a** i did the same thing HAHAHAHAHA lol :P

 

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Posted: Thu Aug 16, 2007 12:04 am 
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Cpi and MPI dizzys are different, you have to change internal componants for mpi. ring a wrecker and they will tell you!!! one phone call and you will know.

 

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Posted: Thu Aug 16, 2007 2:56 am 
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http://cgi.ebay.com.au/NEW-FORD-EA-EB-E ... dZViewItem

this clarifies my point

 

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Posted: Thu Aug 16, 2007 11:57 am 
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But dont get those cheap ones! prone to early death get a bosch replacement. if you know some1 at repco youd get one for $80 instead of 200 lol

 

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Posted: Fri Aug 17, 2007 9:31 pm 
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hey guys i just picked up a new set of leads and dizzy cap ill wack those on sunday and im just re checking all the wiring on the loom to make sure all the wires are secure and on right so hopfully . the car should be firing by sunday if that dosnt work ill get a mpi dizzy and take it from there

cheers so far for the help
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Posted: Sat Aug 18, 2007 3:55 pm 
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ebfairmont3.9 wrote:
Smokey...Retired! wrote:
the fuel comes into the fuel regulator which then leads to the fuel rail. I made this mistake on my first conversion & it wudn't start


No.... The line where the fuel squirts when the pump is activated goes to the fuel rail... The return line goes onto the end of the Reg...


umm,,fuel line from tank goes to regulator then to the fuel rail,,return line goes on the end of the rail.

the regulator regulates the fuel going into the rail not back to the tank.

 

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