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Old Jun 11, 2008 | 02:14 PM
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Hi guys,Just want to know if anyone has taken the engine to the 2nd stage,from 350 BHP TO 420 BHP.I'm think of taking mine up from 350 to 420.but still want the smoothness.Would this be possible,I know when i took my old SUPRA up above 500BHP ,I lost the smoothness which i don't want to lose on my fat boy.Thank Fat Boy
Old Jun 11, 2008 | 03:47 PM
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without chips, it's pretty hard to get that kind of hp increase. and for lexus, there is no chip
Old Jun 12, 2008 | 01:18 PM
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Toms Hyper Kit

Its $12,500.oo on L-tuned parts though...lol
Old Jun 12, 2008 | 01:29 PM
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If it costs that much to do it right I'd just wait to see what happens with the GS-F!!
Old Jun 12, 2008 | 10:41 PM
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Originally Posted by rominl
without chips, it's pretty hard to get that kind of hp increase. and for lexus, there is no chip
Hi,yesterday i spoke to the turning guys in the UK,and they told me it not a problem,but 0nce done ,can not be undone with out renewing the ECUAnyway i will be speaking to the turners in Germany and i'll let u guys know what they say,Thank for your time Cheers FAT BOY.
Old Jun 12, 2008 | 11:22 PM
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feel free to keep us posted. would love to see a first real ecu setup for lexus
Old Jun 13, 2008 | 12:57 AM
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I know TOMS RACING has an ECU tune and they also state once done can not be undone!!!!

Anyone willing to send there ECU to japan for a test run...lol

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Old Jun 13, 2008 | 11:45 AM
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Originally Posted by valgs350
I know TOMS RACING has an ECU tune and they also state once done can not be undone!!!!

Anyone willing to send there ECU to japan for a test run...lol
i don't think that will work on us spec. i believe someone tried that on is350 and didn't work
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Old Jun 15, 2008 | 05:30 AM
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Originally Posted by valgs350
I know TOMS RACING has an ECU tune and they also state once done can not be undone!!!!

Anyone willing to send there ECU to japan for a test run...lol
I know in the UK,most turner send there ECU's to GERMANY,but don't know if it is the same guys i'm dealing with.I was once told,when i had my SUPRA that the ECU was the same as GS,STRAIGHT 6,and there are alot of turners for the SUPRAS;and most of them are running 400 BHP to 500BHP,SO THERE MUST BE CHIPS of the LEXUS brand which is a TOYOTA.Think the engine was MA70 (7MGE and the 7MGTE) the same engine in the GS.The new GS has the v6 ,which is also in the TOYOTA CAMRY, 3VZ-FE ,and i've seen a few chipped CAMRY's,so it's just a matter of finding where and how its done
Old Jun 15, 2008 | 12:27 PM
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Originally Posted by rominl
i don't think that will work on us spec. i believe someone tried that on is350 and didn't work
Hi,just wondering,whats the US spec,on the GS350 and the GS430.
Old Jun 15, 2008 | 09:50 PM
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How the hell did you pull 47 extra crank hp out of the GS with no forced induction? Our cars have 303 hp. Thats alot of hp
Old Jun 16, 2008 | 08:06 AM
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Originally Posted by I8ABMR
How the hell did you pull 47 extra crank hp out of the GS with no forced induction? Our cars have 303 hp. Thats alot of hp
I had 279 bhp from my v8,had the FUEL system reprogramed to the 1st stage,that 350bhp.Idon't think u have 303 from a v6.In the UK some guys run 400bhp in a NISSAN SUNNY,and that's only 2.0litre.anyway i'm not going down the forced induction,I only what 2nd stage, that will push my power up to 420bhp,that's all i want,and hopefully i'll have it done in3 weeks timeI'll keep u posted.
Old Jun 16, 2008 | 01:27 PM
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Originally Posted by I8ABMR
How the hell did you pull 47 extra crank hp out of the GS with no forced induction? Our cars have 303 hp. Thats alot of hp
The v6 delivers 245 bhp
Old Jun 16, 2008 | 01:39 PM
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Originally Posted by FAT BOY V8
The v6 delivers 245 bhp
that's UK. most other countries get the gs350 which has a lot more hp
Old Jun 17, 2008 | 09:29 AM
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Originally Posted by rominl
that's UK. most other countries get the gs350 which has a lot more hp
we have the 350 and they are the same ,no difference in hp



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