Mazda RX-7 - Rotating Group Parts

ENGINE
Oil
pan,435210
700
This
is an
increased
caPacitY
Pan
to
maintain
pressure
under
racing
conditions,
particularly
while
cor-
nering.
Baffle
plate,
4352
10 709
This baffle
plate
will
maintain
an
adequate
oil
supPlY
around
the oil
pump
pickup
while
cornering
or
braking.
Botatlng
grouP.
1.
Balancer
assemblY,435211
010
These
pieces
differ
f
rom
stock
bY
being
balanced
to a closer
toler-
ance.
2.
Rotor,435211
100
The
competition
rotor
has the
fol'
lowing
features:
(1)
The
combusion
chamber
is
the
Medium
DeeP
Recess
(MDR)tyPe.
(2)
lt
has a snap
ring to
retain
the
internal
gear
in
Place.
(3)
The
apex
seal
groove
is chrome
plated
to
reduce
wear.
standard:
1011 1'l
111
oversize:
1058
78
135
The oversize
bearing
is
available
to
provide
the
correct
oil clear'
ance,
and
is
larger
in
diameter
bY
30p
Apex
seal,4352
11 301
The apex
seal
is made
of carbon
and
is 3.0
mm thick.
Apex
seal
spring,4352
11 304
This
spring
is
designed
sPecifi'
cally
for
the 3.0
mm carbon aPex
Side
seal,
4801
11
311
Compared
to
the stock
seal,
this
side
seal
is
molybdenum
treated
for increased
wear
resistance.
Corner
seal,
1BB1
78 146
The
corner
seal
has a
sPraYed
molybdenum
coating
for
self
lub-
rication
properties.
Outer
oil seal sPring,
front:4352
11
353
rear:43521
1
363
The
increased
pressure
of
this
spring,
dif
f erent
f rom original,
13 kg/cm'as
compared
to
B
kg/cm'
for the
slandard
oil seal spring,
prohibits
combusion
gas
blowbY.
For
the
inner oil
seal,
the stock
spri
ng is satisfactory.
Eccentric
shaft,4352
11 400
The
material
and
conf
iguration of
this
shaft
are
identical
to
stock,
but
to
reduce
the
likelihood
of
bearing
seizure,
the
rear
half of
the
rear
main
journal
is machined
20p.smaller
in
diameter,
as
shown
in
the
illustration.
(aD
=
A
-
B)
7.
Rotor bearing,
aO
0