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i had mine done at Electronic Automotive in Epping.
Let me warn you tho, the tuning on vz/ve v6's is VERY limited.
Don't expect too much!
Yeah kW wise didn't get much (from memory 117 to 132), but my torque increased by nearly 50nM, to 382, I think it was (should double check the exact figures).
You can feel the torque improvement, especially low down, like in 6th, the car can pull from 50 to 80 a lot better than previously.
I'm getting 9-9.5L combined, which I think is the biggest gain in the whole procedure (got down to 7.4 on the trip to Robe)
I would be very interested tp see what improvements a tune can do on the SIDI Engines in 12 months time.
wow what gear you do that dyno run on, i got a stock vz sv6 auto in 3rd pulled 142rwkw with 98octane which i know is about right losing 25-30% power through the drivetrain!