Engine Specifications - GMC T Series 1994 Repair Manual

Ail Specifications are in INCHES unless otherwise noted.
GENERAL DATA:
Type
Displacement
RPO (VIN Code)
Bore
Stroke
Compression Ratio
Firing Order
Oil Pressure (Minimum)
CYLINDER BORE:
Diameter
Out Of Production
Round
Service
Production
Taper
Service
PISTON:
Production
Service Limit
PISTON RING:
C
Production
0
Groove
M
Clearance
P
Service Limit
R
E
s
Production
s
1
0
Service Limit
N
Production
Groove
0
Clearance
Service Limit
1
Production
1
Gap
Service Limit
PISTON PIN:
Diameter
Production
Clearance
In Piston
Service Lmit
Fit In Rod
EXHAUST MANIFOLD:
Surface Flatness
INLET MANIFOLD:
Surface Flatness
CYLINDER HEAD:
Surface Flatness
BALANCE SHAFT:
Front Bearing Journal Diameter
Rear Bearing Journal Diameter
Rear Bearing Journal Clearance
SPECIFICATIONS
ENGINE SPECIFICATIONS (4.3L)
Thrust Side
Relief Side
Top
2
nd
Top
2
nd
V
4.3L (262 Cu. In.)
L35 (W)
4.00
3.48
9.05:1
1-6-5-4-3-2
25-50 psi @ 1200 RPM; 42-60 psi @ 2400-5000 RPM
4.0007-4.0017
0.001 (Maximum)
0.002 (Maximum)
0.0005 (Maximum)
0.001 (Maximum)
0.001 (Maximum)
0.0007-0.0017
0.0027 (Maximum)
0.0014-0.0032
0.0042 (Maximum)
0 010
. -
0.018-0.026
0.035 (Maximum)
0.0014-0.032
0.008 (Maximum)
0.015-0.055
0.065
0.9270-0.9273
0.0002-0.0007
0.001 (Maximum)
0.0008-0.0016 Interference
0.010 (Maximum)
0.010 (Maximum)
0.004 (Overall)
2.1648-2.1654
1.4994-1.500
0.001-0.0036
6
0.020