Lexus / Toyota tuning

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Joined: Wed Oct 08, 2014 11:08 am

Lexus / Toyota tuning

Postby slewinson » Tue Jun 06, 2017 6:28 pm

Hi guys, just wondering if anybody has had experience remapping any recent Lexus ECUs?

I am about to pull the trigger on a GS250 F-Sport and am curious what can be tweaked.

Simon

Posts: 2433
Joined: Sun Aug 02, 2009 9:16 pm
Location: Bayside, Melbourne, Victoria

Re: Lexus / Toyota tuning

Postby VX L67 Getrag » Tue Jun 06, 2017 8:30 pm

I haven't done any petrol models but been mucking around with the turbo diesel stuff which I believe use the same controller...

Do you know what calibration file it is guessing it will be something like 89663-xxxxx

Posts: 224
Joined: Wed Oct 08, 2014 11:08 am

Re: Lexus / Toyota tuning

Postby slewinson » Tue Jun 06, 2017 9:08 pm

Will need to wait till I pick it up in a week or so before I can use techstream to have a look. What software do you use for the tuning?

I have not considered fiddling with my other cars because they are hybrids (CT200h and RX450h).

Simon

Posts: 2433
Joined: Sun Aug 02, 2009 9:16 pm
Location: Bayside, Melbourne, Victoria

Re: Lexus / Toyota tuning

Postby VX L67 Getrag » Tue Jun 06, 2017 9:18 pm

For virtual reading/writing I use bitbox, for editing I've been trying to identify map out files myself & create xdf's.
But for ready made mapping bitedit would be the best bet!

Posts: 224
Joined: Wed Oct 08, 2014 11:08 am

Re: Lexus / Toyota tuning

Postby slewinson » Wed Jun 21, 2017 3:43 pm

IMG_0669 crop.png


This is the potential tuning subject. Would love to hear if anybody has actual results from playing with the 4GR-FSE. Will try to get online to it and see what cal is in there.
Initial impression is pretty good but I think that there is a bit of margin left by the conservative engineering types at Lexus. with 12:1 compression I wonder what E85 could do... :driving:

Simon

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