Chevrolet CHEVY VAN G10 SERIES Service Manual page 337

SPEC IFIC ATIO N S 6
ENGINE:
GENER AL D A T A :
Type
D isplacem ent (cu. in.)
H orsepow er @ rpm
Torque @ rpm
Bore
Stroke
C om pression R atio
Firing Order_______
C Y L IN D E R BORE:
Diam eter
P roduction
O ut of
Round Service
Thrust
Production Side
Taper
R elief
Side
Service
PISTON:
Clearance P roduction
Service
PISTON RING:
Top
Clearance P roduction
G roove
2nd
Service
T op
Production
Gap
2nd
Service
Groove P roduction
Clearance
Service
Gap
P roduction
Service
PISTON PIN:
Diam eter
Clearance Production
Service
F it in R od
CRANK SH AFT:
Diam eter
Main
Journal Taper
Production
Service
O ut o f
P roduction
Round
Service
V8
In Line
350
307
2 5 0
110 175
130
@
@
4 0 0 0
4 0 0 0
3 8 0 0 ^
2 3 0 290
185
@ @
@
2 4 0 0
2 4 0 0
1600
3-7/8
3.25 3.48
3.53
3.5:1
1-8-4-3-6-5-7-2
1-5-3-6-2-4
3.8745 3.9995
3.8745
3.8 7 7 5 3.8 77 5 4.0 0 2 5
.0005 Max. .001 Max.
.0 0 2 Max.
.0 00 5 Max.
.0005 Max. .001 Max.
.005 Max.
.0 0 0 5 -.0 0 1 5 .0 0 0 7 -.0 0 1 3
.0025 Max. .0 0 2 7 Max.
.0012
.0 0 1 2 -.0 0 2 7
.0 0 1 2 -.0 0 3 2 .00 32
Hi Lim it Production + .001
010-.020
.
.013
010-.020
.025
.
Hi Lim it P roduction + .01
.005 Max.
.0 0 2 -.00 7
Hi Lim it P roduction + .001
.015-.055
Hi Lim it P roduction + .01
.9 2 7 0 -.9 2 7 3
.0 0 0 1 5 -.0 0 0 2 5
.0 0 1 -Max.
.0 0 0 8 -.0 0 1 6 Interference
All #1 -2-3 -4
2 .2 9 8 3 2 .4 4 8 4 -2 .4 4 9 3
#5
2 .2 9 9 3
2 .4 4 7 9 -2 .4 4 8 8
.0 0 0 2 Max.
.001 Max.
.0 0 0 2 Max.
.001 Max.
T yp e
D isplacem ent (cu. in.)
H orsepower
CRANK SH AFT:
Main
Production
Bearing
Clearance
Service
Crankshaft End Play
Diam eter
Taper Production
Crankpin Service
O ut o f Production
Round Service
R od Bearing Production
Clearance
Service
R od Side Clearance
CAMSHAFT:
Intake
Lobe
Lift ± .0 0 2 " Exhaust
Journal Diam eter
Cam shaft R unout
V A L V E SYSTEM:
Lifter
Rocker Arm Ratio
Intake
Valve Lash
Exhaust
Face A ngle (Int. & E xh.)
Seat Angle (Int. & Exh.)
Seat R u n ou t (Int. & E xh.)
Seat Wid th Intake
Exhaust
Production Int.
Stem Exh.
Clearanc Service
Free Length
Load Valve
Valve lbs. Closed
Spring @ in.
Valve
(Outer)
O pen
Installed Height
± 1 / 3 2 "
Free Length
Pressure
Valve lbs. Closed
Spring @ in. Open
(Inner)
Installed Height
+ 1 /32 "
Damper Free Length
A pprox. # o f Coils
In Line V8
307 350
2 5 0
130 175
110
#1
All .0 0 0 3 -.0 0 1 5
# 2 -3 A
.0 0 0 3
.0 0 0 6 -.0 0 1 8
.0 0 2 9 #>
.0 0 08 -.0 0 2 3
# l - .0 0 2 Max. O thers .0035 Max.
.0 0 2 -.0 0 6
1.999
2 .1 9 9 -2 .2 0 0
2 .0 0 0
.0 00 3 Max.
.001 Max.
.0 0 2 Max.
.001 Max.
.0007
.0 0 0 7 -.0 0 2 8
.0027
.0 035 Max.
.0 0 9 -.0 1 4 | .0 0 8 -.0 1 4
.2 217 .2 6 0 0
.2 7 3 3
.2217
1 .8 6 8 2 -1 .8 6 9 2
.015 Max.
Hydraulic
1.75:1 | 1.50:1
One Turn D ow n From
Zero Lash
45°
46°
.002 Max.
1 /3 2 -1 /1 6
1 /1 6 -3 /3 2
.0 0 1 0 -.0 0 2 7
.0015-.00321 .0 0 1 0 -.0 0 2 7
Hi Lim it P roduction + .001 Intake;
+ .0 0 2 Exhaust
1 .9 0 2 .0 3
7 6 -8 4
54-64
@ 1 .6 6 @ 1 .7 0
194-206
180-192
@ 1.27 @ 1.25
1-21/32 1 -2 3 /3 2
N .A .
N .A .
N .A .
N .A .
1.94
N .A .
4
N .A .
C H E V Y V A N SH O P M A N U A L