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gaining 20 hp and 30 Nm torque with obd/chip-tuning #46800 Sep 21, 11:57am Sep 21, 11:57am
Joined: Aug 2003
Posts: 566
Tilburg, The Netherlands
Immo OP
Senior Member
2000 Toyota Celica GT
Immo OP
Senior Member
2000 Toyota Celica GT

Joined: Aug 2003
Posts: 566
Tilburg, The Netherlands
gaining 20 hp and 30 Nm torque with obd/chip-tuning
Ok, here goes.
I did a search but couldn't fin anything about this.

I read all this stuff about I/H/E, I got the AEM CAI and Invidia exhaust already.
I am thinking over my next power-mod.
Here in the netherlands the so-called chip-tuning or obd-tuning is very popular.
Especially turbo-engine can reach gains of 30% in hp and 20-
30% in torque.
This obd-tuning is something like rewriting the OBDII with new software which takes out certain limits on fuel pressure (if I recall correctly) and other things.

Well, since my car is just a GT with CAI and exhuast I reckon I should be around 155 (maybe 160) bhp (143 is standard here)
Costs about 500 euro (550 usd), about the price of an exhaust, but more gains.

Check the following list:
Toyota Celica 1.8 VVT-I (GT)
standard bhp 143
modified bhp 158
standard torque 170 (Nm!!)
modified torque 200 (Nm!!)

Toyota Celica VVTL-I (GTS)
standard bhp 180
modified bhp 215
standard torque 176 (Nm!!)
modified torque 205 (Nm!!)

Click here for conversions grin

The cool thing is the torque-curve is also reaching peaks a bit earlier (especially on the GT)
I am counting on about 175 bhp and 200 to 210 Nm (154 Lbft) torque

Is this not common in the US or not known?
Is it not legal?
Comments please

Re: gaining 20 hp and 30 Nm torque with obd/chip-tuning [Re: Immo] #46801 Sep 21, 12:08pm Sep 21, 12:08pm
Joined: Apr 2003
Posts: 2,425
pennsylvania
IcEd blUe
King of the Hill
2003 Toyota Celica GT
IcEd blUe
King of the Hill
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 2,425
pennsylvania
yea theres tons of things about chips but i think they wouldn't work with our cars because of our gay little ECU

Re: gaining 20 hp and 30 Nm torque with obd/chip-tuning [Re: IcEd blUe] #46802 Sep 21, 12:17pm Sep 21, 12:17pm
Joined: Aug 2003
Posts: 566
Tilburg, The Netherlands
Immo OP
Senior Member
2000 Toyota Celica GT
Immo OP
Senior Member
2000 Toyota Celica GT

Joined: Aug 2003
Posts: 566
Tilburg, The Netherlands
It's not a chip. it's a complete rewrite of the ECU.
It's completely new software for the engine management, not just some changed parameters which can/will detected and worked around

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