Chevrolet 1977 light duty truck, Service Manual

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ENG INE PERFO R M A NCE SP EC IF IC A TIO N IN F O R M A T IO N - HD EMISSION
LT. D U T Y TR U C K
IG N IT IO N
SPA R K PLUG
TY PE & GAP
FA S T
E M IS S IO N
C O N T R O L
D E V IC E S
E M IS S IO N
LA B E L
C O DE
D IS T R IB U T O R V A C U U M A N D M E C H A N IC A L A D V A N C E
E N G IN E A N D C O D E
B .T .D .C .
D E G R E E S
ID L E
(R PM )
ID L E
(R PM )
(R PM )
(N )
ID E N T IF IC A T IO N
1 7 0 5 7 ____
V A L V E
M O D E L
D IS T R IB U T O R
1110____
V A C U U M
M O D E L
1 97 3 ____
V A C U U M A D V A N C E
@ IN C H E S O F V A C U U M
(IN C R A N K D E G R E E S )
M E C H A N IC A L A D V A N C E
(C R A N K D E G R E E S )
@ E N G IN E RPM
2 5 0 C I D L -6 E N G IN E B B L 1 M E C A R B U R E T O R R P O L D 4
4 9 S T A T E S M. T.
T A T C 1 0
6 ° @ 6 0 0
R 4 6 T
6 0 0 (N ) 4 5 0 (N)
2 4 0 0
0 0 7
PCV, T A C 5 2 0
0° @ 1 0 " Hg
0° @ 1 1 0 0
24° @ 2 3 0 0
4 9 S T A T E S A . T.
T A S C 1 0
.0 3 5
0 0 6
10° @ 1 3 " Hg
14 ' (9> 4 1 0 0
2 9 2 C I D L -6 E N G IN E B B L 1 M E C A R B U R E T O R R P O L 2 5
4 9 S T A T E S M. T.
T H H C K P
T U B G
0 0 9
6 7 9 520
0° @ 1 1 0 0
14° @ 2 3 0 0
4 9 S T A T E S A . T.
T H K C K P
T H L C 3 0 , P 30 T U A G
8 ° @ 6 0 0
R 4 4 T
6 0 0 (N ) 4 5 0 (N ) 2 4 0 0
0 0 8
PCV
T A C
0° @ 1 0 " Hg
24° @ 4 1 0 0
C A L I F O R N I A M. T.
T H R C K P '
T U D G
.0 3 5
3 0 9
T R C ( C A L -
I F O R N IA )
ECS ( C A L ­
IF O R N IA )
cu
6 80
5 2 0
10 @ 1 3 " Hg
0 ° @ 11 0 0
6 ° @ 2 0 0 0
C A L I F O R N I A A . T.
T H T C K P
T H U C 3 0, P30 T U C G
3 0 8
1 4 ° @ 2 3 0 0
2 4 ° @ 4 1 0 0
3 0 5 C I D V - 8 E N G IN E 2 B B L 2 G C C A R B U R E T O R R P O L G 9
1103____
4 9 S T A T E S M . T.
U T F - C K
4 9 S T A T E S A . T.
U T H - C K
6 ° @ 7 0 0
R 4 4 T
.0 4 5
7 0 0 (N) -------
1 7 0 5 6 1 3 7
PCV
T A C
T R C
-------
C T
237
516
0 ° @ 8 " Hg
1 0 ° @ 1 3 ” Hg
0 ° @ 1 0 0 0
1 0 ° @ 1 7 0 0
2 0 ° @ 3 8 0 0
A . T. A U T O M A T IC T R A N S M IS S IO N ECS E V A P O R A T IO N C O N T R O L S Y S T E M
M. T . M A N U A L T R A N S M IS S IO N PC V P O S IT IV E C R A N K C A S E V E N T I L A T IO N
T A C T H E R M O S T A T IC A I R C L E A N E R T R C T H R O T T L E R E T U R N C O N T R O L
E
N
G
IN
E
E
M
IS
S
IO
N
C
O
N
T
R
O
L
S
6
E
-1
3