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Old 08-28-2012, 06:09 PM   #1
iwanttobeamole
 
Drives: 2000 Yaris 1NZ-FE Supercharged
Join Date: Apr 2012
Location: Hamilton - New Zealand
Posts: 42
Supercharged 2nz-fe VVTI tuning

We're in the process of tuning the my 2nz-fe supercharged Yaris. The ECU we're using a Link Storm (complete replacement) which is able to control the VVTi, but what we're experiencing is that making adjustments to oil pressure/ solenoid is making no difference to the power in the dyno runs, even at either extreme?
Has anyone here had any experience with VVTi tuning on a supercharged 1nz or 2nz?
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Old 08-30-2012, 01:47 PM   #2
johnny_vitz
 
Drives: 2005 Toyota Echo
Join Date: Sep 2010
Location: Hamilton, Canada
Posts: 259
I tried on my 1NZ using a camcon, didn't see a single gain. Only lost more power as the adjustments increased.
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Old 09-02-2012, 08:30 PM   #3
iwanttobeamole
 
Drives: 2000 Yaris 1NZ-FE Supercharged
Join Date: Apr 2012
Location: Hamilton - New Zealand
Posts: 42
I guess the additional incoming air is basically negating the effects of the VVTI adjustment.
The difference running a dyno at either extreme of the range was less than 1kw in the end. Oh well, I guess that free's up a channel on my ECU for something else :)
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