7.
3L
DIT
ANTHOLOGY
Craakcau
•
The
crankcase was redesigned starting
with engine serial number 375549 with
thicker valley walls to increase stiffness to
the
assembly which reduces radia
ted
engine combustion noise.
•
The
crankcase
was
also
mod1fied
in
!he
tappet sheij area.
Vain
Traia
• The valve train
was
redesigned to replace
the
cam
follower
gu
id
es
and retainer
to
redesig
ned
cam
follower guide
assemb
li
es
which bolt directly into
the
crankcase
to
hold the follower in
place.
• The redesigned roller follower guide
assemblies are
now
held
in
place with a
capscrew
for
each pair
of
tappets which has
led to
the
etimination of the roller follower
guide
retainer.
•
This
change
occurred
at
engine serial
numbar 375549.
38
Pre
1997
Model
Year
1997
Modal
Year
Pre 1997
Model
Year
t
t
1997
Model
Year