Found boost/fuel cut on the 1JZ last night. Sell me a MK4 MAP.
Yea, Kelly was riding out 2nd gear and all of a sudden, it felt like speed cut... only at 50mph. At first, she thought it was rev limiter. but i noticed the speed and im like "uhm, no... 2nd gear tach's out to over 70mph... Plus the check engine light came on and then went off" soooo... we found fuel cut on a STOCKness 1JZGTE... NO modifications except HKS SMF intake and open Stock downpipe... Nothing else. guess we will need an upgrade ECU sooner than we thought. shit, if its fuel cutting on a STOCK down pipe, i can only imagine what its going to be like when i make a 3" downpipe for it. i still cant beleive that its boosting that high w/o any boost control and stock exhaust components. that is too crazy. guess i need to hook up the SAFC and a MKIV Map or something. i can only wonder how its going to run w/ the APU equipment.
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Andy needs to come in here...he has a full 3" exhaust. Cant be boost cut because thats at 28 psi

I'd suggest a GM 3" MAF, then a MAFT. Thats what I'm going to do. Also, check SF 1JZ section

I'd suggest a GM 3" MAF, then a MAFT. Thats what I'm going to do. Also, check SF 1JZ section
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ASE: Brakes
Yea..that very well could have been the most retarded idea I've ever heard, but .. do it anyway. -TheShow50h

ASE: Brakes
Yea..that very well could have been the most retarded idea I've ever heard, but .. do it anyway. -TheShow50h
yes it was boost cut the ecu is VERY restrictive. I think anything above 18psi and the ecu will cut out.
why exactly do you recommend a maf? I'm completely confused here.
why exactly do you recommend a maf? I'm completely confused here.
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Heavy car with a 2.5L
Heavy car with a 2.5L
Originally posted by Orion ZyGarian
Andy needs to come in here...he has a full 3" exhaust. Cant be boost cut because thats at 28 psi

I'd suggest a GM 3" MAF, then a MAFT. Thats what I'm going to do. Also, check SF 1JZ section
Andy needs to come in here...he has a full 3" exhaust. Cant be boost cut because thats at 28 psi

I'd suggest a GM 3" MAF, then a MAFT. Thats what I'm going to do. Also, check SF 1JZ section
the maft is for the 7mgte, he has a 1jzgte, it wont work on the 1j.
william
Originally posted by Orion ZyGarian
Andy needs to come in here...he has a full 3" exhaust. Cant be boost cut because thats at 28 psi

I'd suggest a GM 3" MAF, then a MAFT. Thats what I'm going to do. Also, check SF 1JZ section
Andy needs to come in here...he has a full 3" exhaust. Cant be boost cut because thats at 28 psi

I'd suggest a GM 3" MAF, then a MAFT. Thats what I'm going to do. Also, check SF 1JZ section
thats why its 14psi on a 7m and 17psi on a 2j
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Originally hollered by PoppaSmurf: Hey!!! Driver!!! Your Face!!!
TheSh0w50h: I am teh badass assed roll racer evar, I eat mkIV's for lunch.
Originally hollered by PoppaSmurf: Hey!!! Driver!!! Your Face!!!
TheSh0w50h: I am teh badass assed roll racer evar, I eat mkIV's for lunch.
Originally posted by JuicedSS262
No longer have the stomach for clubbing baby seals.
Those sad eye's got to me.
No longer have the stomach for clubbing baby seals.
Those sad eye's got to me.
Originally posted by j30a1t
28psi ... right ...
thats why its 14psi on a 7m and 17psi on a 2j
28psi ... right ...
thats why its 14psi on a 7m and 17psi on a 2j
EDIT: Heres the link. Enjoy
http://i-supra.com/eve/ubb.x?a=tpc&s...61#50510527061
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ASE: Brakes
Yea..that very well could have been the most retarded idea I've ever heard, but .. do it anyway. -TheShow50h

ASE: Brakes
Yea..that very well could have been the most retarded idea I've ever heard, but .. do it anyway. -TheShow50h
Last edited by Orion ZyGarian; Oct 18, 2004 at 02:20 PM.
Originally posted by psifactor
just because it spiked once.......The ecu will no hold over 18lbs. so i need a mines or something similar.
So why should I get the GM Maf?
just because it spiked once.......The ecu will no hold over 18lbs. so i need a mines or something similar.
So why should I get the GM Maf?
I wouldnt worry too much about the ecu , you need to worry about them there turbos....
and yes you should get a gm maf for a christmas gift for chris
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