by nvmylh » Tue Jun 01, 2021 8:19 am
I did a 5eat to 6mt swap in my 3.0 spec b without door-slamming my wang. It wasn't that bad!
Firstly, download the FSM's for both cars! You have to get the exact manuals which suit your current car and the car which the gearbox is coming from.
Next, the easiest way to do it is by running new neutral, reverse and clutch wires to the ecu, its like 5 wires.. remove the TCU, bypass the inhibitor relay, THEN load a manual ROM onto your ecu. Also you MAY need an ABS unit from a manual car or you will get a check engine light and no cruise control.
I don't know how you would do it without loading the manual ROM onto you current ECU as you have a 2.5i and they never had 6mt's BUT a 5mt rom might work just fine. Find Sick Chips on facebook, he would be the best person to talk to, even if it cost a few 100$'s, it would save you heaps in the long run.
When I did my conversion I used the ECU, cluster, BUI, key barrel, clutch pedal, brake pedal and abs unit from a doner car, the clutch pedal bolts straight in easy.