3sp to 4sp - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 3 (permalink) Old 02-25-02, 03:47 PM Thread Starter
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3sp to 4sp

Just wondering the total cost including installation upgrade to a reasonable condition 4sp...


ben is offline  
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post #2 of 3 (permalink) Old 02-25-02, 04:54 PM
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Rough estimate Ben:

- 4spd box - $600 to $800 from an EB to ED. Could get cheaper if you hunt really hard.
- Trannie fluid - for the full change of around 10.5 litres - approx $60.
- If going to use the secondary ECU that controlled the gearbox that was found on the EA II's and the EB I's - not sure but $50 to $100 ?? Other than that, fully integrated ECU - some buggers quoted me $150 to $200.

- Will need to make new mounting points on your car to fit the 4spd auto as well.
- Some rewiring as well, but not impossible.

Little extras:
- Internal plastics/trims
- Gear Selector handle (get rid of the old ugly one)

Also check the filter while you are there.

There maybe a few other things I am forgetting but I would say around $1000 plus. I would buy a wreck and pull the parts off of that - as you can use the other parts off of the car - great if you have a farm to store the wreck :) . Try and check the colour of the trannie fluid as well if you are going for something you do not know about. Not a guaranteed way of knowing what the box is like, but least you know they looked after it a little bit.

Good luck,

post #3 of 3 (permalink) Old 02-25-02, 07:31 PM
Ea EnVy
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Re: costs

i got a reconditioned one installed in mine. it was already 4 spd but it cost me $1250 installed finished drive away.. took them a week, i duno if its the same "bolt on" gear box as the 3 spd
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