2JZGE Na-T TT Ecu Mod
#946
Instructor
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Nope no bov.
And I am running aristo ecu. Dont remember part number but it ended in 560 or something like that. map sensor is also just oem sensor from aristo. It could be pressure sensor from usdm but they are the same correct?
As far as safc2 adjustment I have it set to -20 to -5 from 1500-7600 rpm on "hi throttle".
And I am running aristo ecu. Dont remember part number but it ended in 560 or something like that. map sensor is also just oem sensor from aristo. It could be pressure sensor from usdm but they are the same correct?
As far as safc2 adjustment I have it set to -20 to -5 from 1500-7600 rpm on "hi throttle".
#948
Its funny alot of the oldschool guys won't use them. you can run stock levels of boost without one and not hurt the turbo that bad, but to get max turbo life you need a bov. if you are on JDM twins, I would always use a bov. USDM twins are much sturdier in general.
you don't have to weld also if you go on ebay you can usually get an adapter pipe to mount your BOV, and it will connect like a regular intercooler pipe.
you don't have to weld also if you go on ebay you can usually get an adapter pipe to mount your BOV, and it will connect like a regular intercooler pipe.
#949
Oh I was doing some thinking about USDM GTE ecu's, and I was thinking those with a map ecu would be pretty nice because you can control larger injectors easier, and you will be getting the rid of the maf so a win win.
Although I think the JDM ecu and any piggyback is still a good option, if you use the USDM ECU you will not have to deal with the 110mph speed cut like the jdm ecu's have, the US one is at 155mph.
Although I think the JDM ecu and any piggyback is still a good option, if you use the USDM ECU you will not have to deal with the 110mph speed cut like the jdm ecu's have, the US one is at 155mph.
#950
Lexus Test Driver
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Ali please stop! haha I wanna use the map ecu on the USDM Ecu but there is no tuner locally .
What 02 sensor are you guys using? screw in type or bolt on type?
I wanna use the screw in type because i don't wanna ruin my $$$ DP.
What 02 sensor are you guys using? screw in type or bolt on type?
I wanna use the screw in type because i don't wanna ruin my $$$ DP.
#951
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Join Date: Jul 2012
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Sound like fuel cut?
#952
I am using the screw in type, at first I got a universal denso 1 wire screw in type and used that.
now I am using a universal denso 4 wire screw in type, cause thats what the aristo uses but to be honest I didn't notice a whole lot of difference the 1 wire takes like an extra 30 seconds to start working and there was no CEL for odb1, so you can just use the 1 wire if you don't want to wire the 4 wire up.
I got the wideband in. Running vvti coils and gte plugs. No check engine light. I ran it today and afrs were great on cruise and idle surprisingly. I thought I would be a little rich. Then when boosting it was staying up in the 14s which as I understand it I should be closer to 11-12 during boost. So I scaled back my fuel pulling and went wot once and right around Max boost the car stooped hard and afrs shot to 37!! So aftercruising for about 10 min and confident I didn't break anything I started trying to get afrs down fully in the 11s during boost without ever hitting max again.
Sound like fuel cut?
Sound like fuel cut?
#959
Lexus Test Driver
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I don't wanna mess with it since it's my first time , i have never used a piggyback in life, nor wired up an safc .