Chevrolet 1980 Light Duty Truck Service Manual page 486

G E N E R A L D A T A :
T Y P E
D I S P L A C E M E N T
LITR E (*)
5 .0 (G)
RPO
L G 9
B O R E 3 . 7 3 6
S T R O K E
C O M P R E S S I O N R A T I O
F I R I N G O R D E R
C Y L I N D E R B O R E :
D I A M E T E R 3 . 7 3 5 0 - 3 . 7 3 8 5
P R O D U C T I O N
O U T O F
R O U N D
S E R V I C E
T H R U S T
S I D E
P R O D U C ­
T A P E R T I O N
R E L I E F
S I D E
S E R V I C E
P IS T O N :
P R O D U C T I O N .0 0 0 7 - . 0 0 1 7
C L E A R A N C E
S E R V I C E . 0 0 2 7 M A X .
P I S T O N R I N G:
C
T O P
P R O D U C ­
O
G R O O V E
T I O N
M
C L E A R - 2 N D
p
A N C E
R
S E R V I C E H I L I M I T P R O D U C T I O N
TO P
S
P R O D U C ­
S
T I O N
2 N D
G A P
1
S E R V I C E HI L I M I T P R O D U C T I O N
G R O O V E
P R O D U C T I O N
C L E A R ­
O A N C E S E R V I C E HI L I M I T P R O D U C T I O N
1
P R O D U C T I O N
L
G A P
S E R V I C E H I L I M I T P R O D U C T I O N
* V IN D e s ig n a tio n
P IS T O N P IN
9 0 ° V - 8 G A S O L I N E
5.7 ( L )
6 . 6 ( R )
5.7 (M)
6 . 6 (X )
LS 9 / L T 9 L F 4 / L E 4
C R A N K S H A F T
4 . 1 2 5
4 . 0 0 0
3 . 4 8 0
3 . 7 5 0
8.5:1
1 - 8 - 4 - 3 - 6 - 5 - 7 - 2
J O U R N A L
3 . 9 9 9 5 - 4 . 0 0 2 5 4 . 1 2 4 6 - 4 . 1 2 7 4
.001 M A X .
. 0 0 2 M A X .
. 0 0 0 5 M A X .
.001 M A X .
C L E A R A N C E
.001 M A X .
. 0 0 1 4 - . 0 0 2 4
. 0 0 3 5 M A X .
C R A N K P I N
. 0 0 1 2 - . 0 0 3 2
. 0 0 1 2 - . 0 0 3 2
+ .001
R O D B E A R I N G
C L E A R A N C E
. 0 1 0 . 0 2 0
.0 1 0 - . 0 2 5
C A M S H A F T
+ . 0 1 0
. 0 0 2 - . 0 0 7
.001
+
. 0 1 5 . 0 5 5
+ . 0 1 0
LG9
D I A M E T E R
P R O D U C T I O N
C L E A R A N C E
S E R V I C E
F I T I N R O D
#1 2.4484-2.4493
# 2 -3 -4
M A I N
P R O D U C T I O N
1 A r t H
S E R V I C E
P R O D U C T I O N
O U T O F
R O U N D
S E R V I C E
M A I N
P R O D U C T I O N
R F A R I N H
S E R V I C E # 1 . 0 0 1 - . 0 0 1 5
C R A N K S H A F T E N D P L A Y
D I A M E T E R
P R O D U C T I O N
S E R V I C E
P R O D U C T I O N
O U T O F
R O U N D
S E R V I C E
P R O D U C T I O N
S E R V I C E
R O D S I D E C L E A R A N C E
. 2 4 8 4
I N T A K E
LO B E L I F T
± 0 0 2
E X H A U S T . 2 6 6 7
J O U R N A L D I A M E T E R
C A M S H A F T E N D P L A Y
, LS9/LT9 , LF4/LE4
. 9 2 7 0 - . 9 2 7 3
. 0 0 0 2 5 - . 0 0 0 3 5
.001 M A X .
. 0 0 0 8 - . 0 0 1 6 I N T E R F E R E N C E
# 1 -2 -3 -4
2 .6484-2.6493
2.4481-2.4490
# 5
# 5 2.4479-2.4488
2 .6479 -2 .6 4 88
. 0 0 0 2 M A X .
.001 M A X .
. 0 0 0 2 M A X .
.001 M A X .
# 1 . 0 0 8 - . 0 0 2 0
# 2 - 3 - 4 . 0 0 1 1 - . 0 0 2 3
# 5 .0 0 1 7 - . 0 0 3 2
# 2 - 4 .001 - . 0 0 2 5 # 5 . 0 0 2 5 . 0 0 3 5
. 0 0 2 . 0 0 6
2 . 0 9 8 8 - 2 . 0 9 9 8
. 0 0 0 5
.001 M A X .
. 0 0 0 5
.00 1 M A X .
. 0 0 1 3 - . 0 0 3 5
. 0 0 3 0
. 0 0 8 . 0 1 4
. 2 6 0 0
. 2 7 3 3
1 . 8 6 8 2 - 1 . 8 6 9 2 1 . 9 4 8 2 - 1 . 9 4 9 2
. 0 0 4 . 0 1 2