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BillJ tuned ECU specs
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Posted by sully (more from sully) on Mon, 13 May 2002 09:38:15 Share Post by Email
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I had kind of missed the earlier thread about you gettting a tuned ECU. Any T-5 will work, even some 900's and 9-3's had T-5 ECU's. As far as boost curve goes, mine is very nice and works well for traction. I do not have any limit in 2nd gear but the car will keep traction until around 1.2bar in 2nd. I would even like no limit in 1st because its up to your foot to keep the car from spinning. It takes a little to get used to but it is not bad this way, I would recomend it.

My first gear is limited to 0.6bar but 2nd-5th are as follows:

Rpm Boost (bar)
Up to 2000 : 1.3 bar
2500 : 1.3+ bar
2800 : 1.4 bar
3000 : 1.4+ bar
3500 : 1.4+ bar
4000 : 1.5+ bar
4500 : 1.3 bar
5000 : 1.2+ bar
5500 : 1.2 bar
6000 : 1.0 bar
6500 : 0.7+ bar

Ignition is set 2 degrees higher than stock.
Having the boost progressive like this is friendly to the tranny and doesn't just throw you to the seat. It's very nice, kind of just keeps getting faster and faster.. and faster, not just all of a sudden.

This is setup for a stock aero and dyno'd 270 hp/410 Nm including stock exhaust. I occasionally go back to my stock ECU and 1bar in the tuned ECU is much faster than 1bar stock. I think the timing has a lot to do with it. You must run high octane fuel with this. I use 94 and notice better response to 93 octane.

Good luck, if your car has a lot of miles start looking for a stronger pressure plate. My clutch slips at full throttle 3500rpms even in 3rd. :)

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