Chevrolet CHEVY VAN G10 SERIES Service Manual page 339

SPECIFICATIO NS 8
VEHICLES
Type
10-20
30
30
10
20-30
10
30
M
O
N u m b e r
D
(A ) A u t o m a t i c T ra n s .
E
(M ) M a n u a l T ra n s .
L
MV 7 0 4 2 0 2 1 (M )
MV
7 0 4 2 0 2 2 (A )
MV
7 0 4 2 0 2 5 ( A ) (M )
7 0 4 2 1 0 2 (A )
2 G V
7 0 4 2 8 2 2 (A )
2G V
7 0 4 2 1 0 3 (M )
2G V
2 G V 7 0 4 2 8 2 3 (M )
4M V
7 0 4 2 2 0 8 ( A ) (M ) H/D
4M V 7 0 4 2 2 1 0 ( A )
4 M V
7 0 4 2 2 1 1 (M )
4 M V 7 0 4 2 9 1 0 ( A )
4M V
7 0 4 2 9 1 1 (M )
H EA V Y DUTY : (EM ISSIONS D EFIN ITIO N ) A ll C, K, P & G over 6 ,0 0 0 GVW ex cep t 0 6 and 16 C & K (Suburbans) and 0 6 and 36 G (Sportvans)
w hich are "p eop le carriers." R efer to GVW plate for gross vehicle w eight specified on a perm anent plate attached to the vehicle
body.
CARBURETORS
SECTION 6M
ID E N TIFIC A TIO N
Also refer to Rochester Carburetor Identification
Illustration in the Overhaul Shop Manual.
ENGINES
D isplacem ent
RPO
and Type
-6
250 L Base
-6
250 L Base
-6
250 L Base
-8 Base
307 V
-8
350 V Base
-8
350 V
LS-9
-8
350 V
LS-9
ADJUSTMENTS
Rochester Carburetors
1/4
1/4
1/4
/D
h
2 1 /3 2 1 9 /3 2
1 9 /3 2
2 1 /3 2
2 1 /3 2 1 9 /3 2
2 1 /3 2 1 9 /3 2
3 /1 6
H/D 3 /1 6
H/D 3 /1 6
H/D
3 /1 6
H/D
3 /1 6
TRUCK CARBURETORS
All California
BBL. (E xcept Calif.)
Manual A uto.
7042021 7042022
1
1 7042025 7042025
7042025 7042025
1
7042021 7042022 7042991 7042992
2 7042823 7042822
7042103 7042102
4Q J 7042211 7042210 7042911 7042910
4Q J
7042211 7042210 7042911 7042910
4Q J
7042208 7042208 7042208 7042208
.0 7 8
.0 7 9
.0 7 0
1 5 /1 6
1 5 /1 6
1 5 /1 6
1 5 /1 6
3 /8
3 /8
3 /8
3 /8
3 /8
Manual A uto.
7042991 7042992
.2 2 5
.1 5 0
.1 9 0
.1 2 5
.1 8 0 .2 6 0
.0 4 0 .0 8 0
.0 4 0 .0 8 0
. 1 1 0
.0 7 5
. 1 1 0
.0 7 5
. 1 00 .0 20
.2 1 5
. 1 0 0 .0 20
.2 1 5
. 1 0 0 .0 20
.2 1 5
. 1 00 .0 20
.2 1 5
. 1 0 0 .0 20
.2 1 5
C H E V Y V A N SH O P M A N U A L
.5 0 0
.5 0 0
.5 0 0
. 2 1 0
. 2 1 0
. 2 1 0
. 2 1 0
.4 5 0
.4 5 0
.4 5 0
.4 5 0
.4 5 0