Description
The
highly-engineered
AAM
Spec
Fuel
Return
System
-
Basic
is
a
great
stepping
stone
for
anyone
who
wants
the
reliability
of
a
Fuel
Return
System
on
a
budget.
With
the
ability
to
support
450rwhp,
this
system
is
very
similar
to
our
prestigious
AAM
Spec
Fuel
Rail
Return
System
but
utilizes
the
factory
fuel
rails
(the
AAM
Spec
Fuel
Rail
Return
System
comes
with
two
Billet
Fuel
Rails
and
converts
the
factory
fuel
flow
through
each
rail
simultaneously).
The
AAM
Return
Fuel
System
-
Basic
for
the
Nissan
350Z
and
Infiniti
G35
is
a
direct
bolt-on
kit
that
converts
the
current
factory
"return
less"
fuel
system
to
a
full
return
fuel
system.
The
"return
less"
system
in
the
350Z
&
G35
offers
minimal
adjustment
to
the
amount
of
fuel
the
engine
can
receive.
This
type
of
system
is
cheaper
for
the
factory
to
manufacture
and
works
okay
in
a
factory
naturally
aspirated
setup,
but
has
several
draw
backs
when
you
go
to
forced
induction.
One
negative
aspect
of
the
factory
return
less
system
is
that
the
factory
fuel
pressure
regulator
is
installed
in
the
fuel
tank.
The
factory
fuel
pressure
regulator
does
not
allow
fuel
pressure
adjustments
and
is
incapable
of
holding
consistent
fuel
pressure
with
most
after
market
fuel
pumps.
The
factory
fuel
pressure
regulator
is
also
unable
to
add
fuel
pressure
under
boost.
This
system
is
a
must
have
for
any
forced
induction
supercharged
or
turbocharged
vehicle
and
any
big
shot
nitrous
vehicles
because
the
AAM
Spec
system
removes
the
factory
regulator's
control
of
fuel
pressure
and
replaces
the
control
with
a
vacuum/boost
sensitive
adjustable
fuel
pressure
regulator.
This
allows
you
to
adjust
both
the
level
of
base
fuel
pressure
and
increase
fuel
pressure
under
boost.
Compatibility
If you have questions about vehicle fitment, please contact us.
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