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Old 04-01-2004, 02:05   #1 (permalink)
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EA 5spd to 4spd conversion?

How easy is it to take a t5 out of a ea and stick a EB 4spd in?

And dramas with the computer, or anything?
And can the ea manual computer be put into a eb and vice versa?

Just thought that the EB may have slightly different computers or something?

.. and the 4spd should fit easily right?
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2nd EF GLi, 'custom' interior, extractors, exhuast
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Old 04-01-2004, 02:14   #2 (permalink)
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Re: EA 5spd to 4spd conversion?

It's very possible. Although the EA/EBI had a seperate trans computer, whereas EBII onwards the trans computer was intergrated into the ECU.

My EBII (non-smartlock) had an EA 5spd in it running the EBII Auto ECU. No dramas at all, once in a blue moon the idle would play up and sit on around 1000rpm then go back to normal. The only other prob was the fact that it wouldn't go into test mode because the auto wasn't there, so base timing etc couldn't be set.

I also tried it with an EA 5spd ECU and the car seemed to run a bit better, but the a/c compressor would not engage because they run a different system to the EBII.

My advice is, if you can get the correct computer, GET IT! If you can't it's no big deal, but the little niggly problems really start to piss you off after a while.

Appart from that everything will bolt up no worries at all.
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Old 04-01-2004, 02:22   #3 (permalink)
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Re: EA 5spd to 4spd conversion?

Cool

Im looking at grabbing a ea from near me, swapping trans and selling it again.

I have heard that the EB II (mine) ecu can have a pin(?) knocked out/put to allow for the 5spd.

Mainly worried about the EA. Nedd to be able to sell it afterwards :s5
Getting a auto computer should be pretty easy, for a EA. Theres enough wrecks around.

I spose if it dosent like the 4spd, i can pick up a 3spd for 100 odd bucks.
The flog off the 4spd for 500 lol
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previous rides;
1st car EA Fairmont Ghia, extractors, exhaust
2nd EF GLi, 'custom' interior, extractors, exhuast
3rd EA Fairmont 5spd, low'd, extractors, exhuast, head
work, 3.45LSD, EL dash, interior+ El ECU
4th EB2 Fairmont, EL dash and interior, BBM, LSD etc etc
5th EB Fairmont Ghia 5L. All leather, lowered, exhaust etc
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Old 04-01-2004, 02:33   #4 (permalink)
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Re: EA 5spd to 4spd conversion?

I have an EA auto computer (the one that attaches to the pedal box) here that you can have cheap if you like. PM me if you're interested.
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1992 AXII Telstar TX5 Ghia

121kW 2.5L DOHC V6 in a car that weighs 1100kg's and looks like a 4 banger from the outside......SLEEPER!

1988 EA S Pak 3spd CFI.....Soon to be a 250rwkw HSV eating machine.
Latest update......MPFI!!
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Old 04-01-2004, 05:29   #5 (permalink)
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Re: EA 5spd to 4spd conversion?

If i end up getting the ea, ill give you a yell

Thanks


Jase
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TPC Mod/henchman
previous rides;
1st car EA Fairmont Ghia, extractors, exhaust
2nd EF GLi, 'custom' interior, extractors, exhuast
3rd EA Fairmont 5spd, low'd, extractors, exhuast, head
work, 3.45LSD, EL dash, interior+ El ECU
4th EB2 Fairmont, EL dash and interior, BBM, LSD etc etc
5th EB Fairmont Ghia 5L. All leather, lowered, exhaust etc
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Old 04-01-2004, 08:23   #6 (permalink)
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Re: EA 5spd to 4spd conversion?

Need facilities Jase?
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Old 04-01-2004, 17:45   #7 (permalink)
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Re: EA 5spd to 4spd conversion?

quiet possibly.

Ill go and have a chat to this guy today.
.. or maybe leave a note :)
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TPC Mod/henchman
previous rides;
1st car EA Fairmont Ghia, extractors, exhaust
2nd EF GLi, 'custom' interior, extractors, exhuast
3rd EA Fairmont 5spd, low'd, extractors, exhuast, head
work, 3.45LSD, EL dash, interior+ El ECU
4th EB2 Fairmont, EL dash and interior, BBM, LSD etc etc
5th EB Fairmont Ghia 5L. All leather, lowered, exhaust etc
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Old 04-01-2004, 19:03   #8 (permalink)
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Re: EA 5spd to 4spd conversion?

This isn't much help, but I'm likely to find out how easy the conversion is later in the month. More than likely a BT-R will be going into mine. If you're still undecided I will let you know how it goes.
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Old 04-02-2004, 06:36   #9 (permalink)
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Re: EA 5spd to 4spd conversion?

You might have to change the engine bay looms. Other than that, not too hard.
Let me know if you need the shed.

ALex
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Proud TQE Operator and President of SEFAG - the Society for the Elimination of Ford Automatic Gearboxes

Pacemaker headers + 2.5" exhaust
EF Fairmont interior
MP3 player
Lowered King springs
5 speed manual
EF motor

Newest mod: EF Ghia wiring loom and dash
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Old 04-02-2004, 16:02   #10 (permalink)
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Re: EA 5spd to 4spd conversion?

Let me know if you need any parts as i still have all the stuff for the 4spd auto left from my conversion. You can hav'em for nothing if you need them.
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