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FAIRLADY
Z Z33/350Z VQ35HR
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 Z33
VX-ROM is to enjoy the
benefits of
naturally-aspirated
vehicle.
Not only we seek more
power, but also improve
response and
drivability.
When we have finished we
have improvements in all
areas,
ultimately making a
usable but increased
performance car.
We take tuning to being
an art form.
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The Z33/350Z
computer executes complicated
electronic calculations
and its configuration could
not be easily changed like former
Z-cars. Even the Speed
limiterâÅôs function
was proven to be difficult to
modify. We immediately analyzed
the Z33/350Z computer that was
thought to be too difficult to
tune.
We succeeded in fine tuning the
speed limiter controls, the
ignition/injection timing, and
the expansion of the Rev Limiter.
In consequence, we upgraded the
response at all revolution ranges
that would further enhance the
driving experience compared to a
stock ECU.
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[ VX-ROM
Specifications for Z33
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Speed
Limiter Control has been
changed
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Injection
and ignition timing has
been reset
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Fuel
economy and throttle
response have been
increased
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Rev
limiter has been
increased from 6600rpm
to 7000rpm
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As for
later Model MT vehicle,
it has been increased
from 7000rpm to
7200rpm
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Electronic
throttle data has been
changed
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CVTC
(Continuous Valve Timing
Control) has been
changed
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eVTC
(Electronic Valve Timing
Control) has been
changed
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I*It has
not been changed for
some Z33 with VQ35DE
engine.
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Learning
and emission control has
been retained
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●Z33 :
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Ver.NISMO
(MT/AT)
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Ver.NISMO
Type 380RS (MT)
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Coupe
Roadstar (MT/AT)
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Anniversary
(MT)
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Price
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Based on
the factory ECU
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JPY
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96,000
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*
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We
create your VX-ROM based
on your factory ECU to
retain the original
immobiliser
function.
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Price
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Complete
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JPY
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176,000
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#
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Immobilizer
registration would be
required if you reuse
your factory ECU.
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For
Ver.NISMO and Ver.NISMO
Type 380RS, We need to
make your VX-ROM based
on your factory
ECU.
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