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MANUAL TO AUTO CONVERSION 

 

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 Post subject: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 10:26 am 
Parts Gopher
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Hi all
I wish to convert a 5 speed EB1 3.9 to auto. Would the simplest option be to install a 3 speed and change the engine ecu to suit? I believe the 4 speeds require the trannie ecu and other changes, is that about right.
cheers
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 10:43 am 
Getting Side Ways
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why do you want to convert it to a auto tho ? is the car a CPI or a MPI?

 

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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 10:55 am 
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03turbo wrote:
Hi all
I wish to convert a 5 speed EB1 3.9 to auto. Would the simplest option be to install a 3 speed and change the engine ecu to suit? I believe the 4 speeds require the trannie ecu and other changes, is that about right.
cheers




Only the V8's use a separate computer the the trans.
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 10:58 am 
Getting Side Ways
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XR-Lane wrote:
03turbo wrote:
Hi all
I wish to convert a 5 speed EB1 3.9 to auto. Would the simplest option be to install a 3 speed and change the engine ecu to suit? I believe the 4 speeds require the trannie ecu and other changes, is that about right.
cheers




Only the V8's use a separate computer the the trans.


Not quite right Josh, EA 2 and possibly EB1 got a trans ECU

 

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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 11:40 am 
Fordmods Junkie
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F**k lol

Probably better off leaving it manual :wink:


I didn't know that, might make finding the parts required a little hard?
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 12:51 pm 
Parts Gopher
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car is basically a crappy daily work vehicle, has just done a clutch, thought it might be easier to whack an auto in it. Sick of changing gears anyway. Its CFI, I do have a spare ecu but its for a 4 speed ea2 apparently
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 1:54 pm 
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You should be able to put a 3 speed auto into the car without changing the ECU since the 3 speed was hydraulic. It'll require more mucking around if you want to get a 4 speed and putting in a separate auto ecu.

 

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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 2:52 pm 
Getting Side Ways
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3 speed auto has a kick down cable - so make sure you get one that suits (was it CPI) with the right levers/brackets. The MPI car had a funny lever arrangement from memory
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Wed Feb 10, 2010 3:49 pm 
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Or you sell it to someone that wants a manual and buy a factory auto, for like $100.
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Thu Feb 11, 2010 9:01 am 
Parts Gopher
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thanks for the input, I have decided to do the clutch myself after quotes between 700-950, more than the car is worth, the only wrecker i could find with a 3 speed auto wanted 440 bucks !!!! ( i thought they would nearly be a scrap item)cheap clutch kit 175 delivered, and i guess about 50 bucks for flywheel machining
thanks again
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 Post subject: Re: MANUAL TO AUTO CONVERSION
Posted: Thu Feb 18, 2010 7:47 am 
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clutch done, first time for me , all good
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