Description
Leading
the
path
to
big
horsepower
from
the
VR38,
we’ve
found
many
parts
that
aren’t
up
to
the
task
of
reliably
delivering
performance
beyond
Nissans
original
benchmarks.
Upon
a
resent
teardown
we
noticed
some
abnormal
fretting
of
the
flywheel
in
the
areas
where
it
mounts
to
the
crankshaft.
This
particular
failure
can
be
seen
when
tearing
down
the
engine,
but
it
also
could
be
the
reason
for
the
engine
teardown.
This
fretting
requires
replacement
of
the
crank
and/or
flywheel
in
most
situations.
It
goes
without
saying,
this
is
a
very
expensive
repair.
A
joint
venture
between
T1
Race
Development,
ARP
and
Titan
Motorsports
resulted
in
a
custom
designed
and
manufactured
fastener
to
better
cope
with
the
higher
torque
loads
requested
in
our
GTR
applications.
The
new
fasteners
are
produced
In
ARP’s
2000
material
with
a
black
oxide
finish,
and
require
a
12
point
½”
socket
for
assembly.
The
ARP
2000
material
has
a
much
higher
tensile
strength
of
220,000
PSI
versus
the
stock
bolts
rating
of
140,000
PSI.
The
increase
in
tensile
strength
allows
us
to
administer
a
higher
torque
spec
of
140ft/lbs.
We
also
recommend
applying
Blue
Loctite
for
added
insurance,
it’s
important
that
the
Loctite
only
gets
on
the
threads
of
the
bolt,
and
not
between
the
flywheel
and
crank,
or
bolt
head
and
flywheel.
Compatibility
If you have questions about vehicle fitment, please contact us.
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