2014 lexus is350 Tuned on Stock ECU
#106
Instructor
Thread Starter
Originally Posted by jkonquer
Just looking at your dyno alone, there is no reason why you would need to shift after 6-5k rpm unless you are holding the gear prior to making a turn. It seems that the power tapers at 6k rpm and you would be slower if you were to shift at 7k rpm.
i'm not sure if its a mechanical or tuning issue, but some head work would open the top end up.
i'm not sure if its a mechanical or tuning issue, but some head work would open the top end up.
( The cams are a bit limited on high rpm, we have tried to advance and retard the cams to keep the power band to its peak and this is the results, without touching cam timing and just opening the rpm the drop in power is huge. )
#107
OG Member
iTrader: (1)
The tuning issues you're having at higher RPMs is a bit odd to hear since the ECU Tune for the 2IS350 is showing a very broad powerband with peak horsepower being available from 6000-7000RPM.
https://www.clublexus.com/forums/cl-...ml#post9349723
https://www.clublexus.com/forums/cl-...ml#post9349723
#109
Instructor
Thread Starter
Originally Posted by redspencer
The tuning issues you're having at higher RPMs is a bit odd to hear since the ECU Tune for the 2IS350 is showing a very broad powerband with peak horsepower being available from 6000-7000RPM.
https://www.clublexus.com/forums/cl-...ml#post9349723
https://www.clublexus.com/forums/cl-...ml#post9349723
This is a short video for my 3IS exhaust sounds hope y'all like it lol
https://youtu.be/8jwjmG4fTzQ
https://youtu.be/3zCPJQwQl0Q
#110
Instructor
Thread Starter
Originally Posted by Mesh704
I'm driving back to Dubai for Retune this coming weekend and I will run the car on DYNOJET the following week and I will post the results over here !!
This is a short video for my 3IS exhaust sounds hope y'all like it lol
https://youtu.be/8jwjmG4fTzQ
https://youtu.be/3zCPJQwQl0Q
This is a short video for my 3IS exhaust sounds hope y'all like it lol
https://youtu.be/8jwjmG4fTzQ
https://youtu.be/3zCPJQwQl0Q
#111
I did change some parts and retune the car and this is the dyno test for today
https://youtu.be/33fmteh5oho
https://youtu.be/33fmteh5oho
But one thing to note is that I don't think you should be pushing your car all the way to 7k rpm since it's clear that power really tapers off after 6300 rpm.
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