GMC 1989 Light Duty Truck Repair Manual page 420

6A2-28 2.8 LITER V-6
GENERAL DATA:
Type
D isplacem ent
RPO
Bore
Stroke
C om pression Ratio
Firing Order
Oil Pressure
CYLINDER BORE:
D iam eter
Out Of Round
Taper— T hrust Side
PISTON:
C learance
PISTON RING:
C
0
Groove
M
C learance
P
R
E
S
S
Gap
1
0
N
Groove
0
1
Clearance
L
Gap
PISTON PIN:
Diam eter
C learance
Fit In Rod
SPECIFICATIONS
ENGINE SPECIFICATIONS
All S p e c ific a tio n s a re in M ILLIM E TER S un less o th e rw is e n o te d .
Top
Second
Top
Second
6 0 ° V-6
2.8L
LL2
89.0
76.0
8.9:1
1-2-3-4-5-6
500 205-380
6 9 k P a Ql R P M ;
(10 psi d i 500 30-55 psi
R P M ;
88.992-89.070
0.02 (M axim um )
0.02 (M axim um )
0.017-0.043
0.030-0.070
0.040-0.095
0.25-0.50
* 0.25-0.50
0.199 (M a x im u m f
0.51-1.40
22.9937-23.0015
0.0065-0.0091
0.0187-0.0515 (Press)
2000
k P a (a R P M
(a 2000
R P M )
•tr
F-6524