300zx Ecu upgrade

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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ImmortalZ
Posts: 94
Joined: Mon Aug 25, 2008 7:57 pm
Car: 1990 300zx Twin turbo

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hey guys i just got my tax check and wanted to spend it on my car so i just bought a boost gauge air/fuel ratio gauge and a boost controller but before i install those i wanted to know if anyone know where i can get my ecu upgraded cheap

i already have a stillen intake HKS exhast with test pipes and down pipes installed and my car is quick but i need the ecu upgrade to really start feeling the power so if anyone know where to get my computer upgraded let me know please and how much will it cost me


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thaixcore
Posts: 209
Joined: Fri Dec 12, 2008 8:02 am
Car: 1991 NA 300zx Slicktop

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http://www.z1motorsports.com/i...ad78a

check it out. you can get a z1 ecu for $250.00

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Zwicked
Posts: 3133
Joined: Mon May 14, 2007 6:19 am
Car: 1990 300 ZX tt, 1990 240SX

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I have an extra chip if you are interested. I bought a 91 and a 94 octane chip and then later decided to buy the ZEMulator. The chips are programmed by a professional tuner (I forget his name it was a couple of years ago) but they work excellent. 60+ safe HP difference if your engine is healthy, and using an EBC. $50 if you want one. All you then need to do is socket the ECU.

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ImmortalZ
Posts: 94
Joined: Mon Aug 25, 2008 7:57 pm
Car: 1990 300zx Twin turbo

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thanks alot man but i found a guy who has a z here in san diego that he crashed and he gona sell me the computer he has for 300 and it has the jwt upgrade so thats good plus il keep my ecu just in case something happens you know but thanks alot guys

gotboost1099
Posts: 71
Joined: Tue Jan 12, 2010 4:39 pm
Car: Drop Top TT z32

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i have a mines ecu. it makes the most power out of all the performance ships. i only want 200

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ImmortalZ
Posts: 94
Joined: Mon Aug 25, 2008 7:57 pm
Car: 1990 300zx Twin turbo

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mines i have never heard of it what is exactly

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car nut
Posts: 3246
Joined: Mon Oct 12, 2009 8:33 am
Car: GT500.
Location: The hottest neighborhood in America (Forbes)

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ImmortalZ wrote:mines i have never heard of it what is exactly
It's an ECU made by Mines.

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ImmortalZ
Posts: 94
Joined: Mon Aug 25, 2008 7:57 pm
Car: 1990 300zx Twin turbo

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ok i see does it have the same setting as like the JWT and Z1 and AshSpec like single intake 370cc injectors 91 octane and all that

itsa300zx
Posts: 1287
Joined: Sun May 31, 2009 9:39 am
Car: 1990 300zx NA W/TT swap
2011 Nissan Rogue S
2008 Highlander SR5
Location: up North

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ImmortalZ wrote:mines i have never heard of it what is exactly
A japanese tuning company

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BigTDogg (MA)
Posts: 4194
Joined: Wed Aug 29, 2007 8:26 am
Car: 1990 Nissan 300ZX TT
Location: Boston MA

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gotboost1099 wrote:i have a mines ecu. it makes the most power out of all the performance ships. i only want 200
Try selling it on eBay Japan auctions. Mines ECUs are not for North American cars. They expect a significantly higher octane rating fuel, and will tend to detonate, that's why they make "the most power"

For a custom EPROM, if you already have a socketed ECU, there are many reliable and reputable options for a tune:

Harry at Ztuner:

http://www.ztuner.com/

Specialty Z: (they even offer an program switcher, which allows you to switch between up to 4 different programs for race fuel etc)

http://www.specialtyz.com

Glenn McCall: (Also sells Nistune)

http://www.aaa-hiperformanceauto.com/6.html

And then of course there's JWT, which I've had in both my Zs and been very happy with:

http://www.jimwolftechnology.c...D=253

Some include only the EPROM (chip) and you need to have a socketed ECU to replace this, and some include the entire ECU. Be sure to inquire as to which is which when ordering.

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ImmortalZ
Posts: 94
Joined: Mon Aug 25, 2008 7:57 pm
Car: 1990 300zx Twin turbo

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thanks alot guys il see which one il order


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