ECU
UPGRADES
The Ash-SPEC ECU upgrade
has become well known in the Z32 community for offering
reliable power with factory drivability while maintaining
factory safety features. Safely increase your Z's power
and torque output with increased boost levels and a
properly configured program for your car's modifications.
Upgrading of the ECU consists of removal
of the OEM EPROM chip containing the ECUs program, installation
of an EPROM socket for ease of chip replacement, and
installation and testing of a new Ash-SPEC EPROM. 16-bit
ECU upgrades (shown above) require a custom daughterboard
to contain the new performance program.
Upgrades are available for both NA
and TT models, 5speed or automatic, and vehicles will
pass even the most stringent California emissions tests
- guaranteed!
The Engine Control Unit
(ECU) is a a small computer which monitors all engine
sensors and controls all engine functions for fuel delivery,
ignition timing, rev limiter, speed limiter, valve timing
control and emissions control systems. This computer
operates based on a set of values of which Nissan generated
in their R&D process of the powerplant, however,
they left a lot to be desired by the enthusiast. A new
program catered to your vehicle's modifications is generated
and installed. Programming which allows for safe running
of higher boost levels while maintaining "safety mode"
configurations allow you to improve performance in a
reliable fashion.
The Ash-SPEC ECU upgrades
were developed using the ZEMulator to finely tune operating
engine parameters in both street and dyno conditions
using a wideband O2 sensor setup. The utmost care has
been taken in the development of these programs to ensure
that the program you receive has been extensively tested
to ensure performance, reliability, and safety. The
same electronics and methods used to produce dynocharts
like this were also used to develop these programs.
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IMPORTANT
SHIPPING INFORMATION!
When shipping your ECU, please remove the mounting
bracket that holds the unit into the vehicle. This bracket
makes for bulky packaging, which ends up costing more
to ship. I would strongly recommend using USPS Express
Shipping as well since they arrive to us earlier in
the day than UPS or Fed-Ex. USPS has a cushion mailer
pack, 7" X 10" that the ECU fits perfectly
inside of - put your ECU in this packaging and then
put this into the Express Flat-Rate mailer. USPS is
also far more economical to use and will arrive to us
overnight for only $20.
In most cases your ECU will be upgraded and shipped
back to you within 24 hours of receipt.
Ordering Information
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If
you need an ECU upgraded and shipped to you in advance,
please order the Advance-Core ECU Upgrade below.
We will provide
an ECU to you in advance, fully upgraded for your car's
specifications for an additional $250 which will be
refunded back to you once you return a good working
ECU to us.
____________________________________________________________________
IMPORTANT
SHIPPING INFORMATION!
When shipping your ECU, please remove the mounting
bracket that holds the unit into the vehicle. This bracket
makes for bulky packaging, which ends up costing more
to ship. I would strongly recommend using USPS Express
Shipping as well since they arrive to us earlier in
the day than UPS or Fed-Ex. USPS has a cushion mailer
pack, 7" X 10" that the ECU fits perfectly
inside of - put your ECU in this packaging and then
put this into the Express Flat-Rate mailer.
Our location is guaranteed overnight delivery from
95% of the continential US and will cost you about half
of what UPS or FedEx will charge for overnight service.
We have not had a single unit damaged or lost in the
several hundred of these that have been shipped back
to customers via USPS.
In most cases your ECU will be upgraded and shipped
back to you within 24 hours of receipt.
Thankyou for your business!
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