General Info
Cylinder Numbers(front-to-rear)
Left(operator's) Side - 1,3,5
Right Side - 2,4,6
Firing Order
1,6,5,4,3,2
Camshaft
Bearing Journal Diameter - 1.8682 to 1.8692"
Lobe Lift
Intake
1988-1990 - 0.238"
1991-1995 - 0.234"
1996 - 0.2763"
1997-2000 - 0.288"
Exhaust
1988-1990 - 0.260"
1991-1995 - 0.257"
1996 - 0.2855"
1997-2000 - 0.2821"
Balance Shaft(1994 and later)
Rear Bearing Journal Diameter - 1.4994 to 1.5000"
Torque Specs
Balancer Shaft
Retainer bolts - 120 in-lbs.
Driven gear bolt - 15 plus and additional 35 degrees rotation
Drive gear retaining stud - 144 in-lbs.
Camshaft Sprocket bolts/nuts - 20 ft-lbs
Cylinder Head Bolts
1998-1995
Step 1 - 25 ft-lbs
Step 2 - 45 ft-lbs
Step 3 - 65 ft-lbs
1996-2000
Step 1 - 22
Step 2 -
Short bolts - Tighten an additional 55 degrees
Medium bolts - Tighten an additional 65 degrees
Long bolts - Tighten an additional 75 degrees
Exhaust Manifold nuts/ bolts
(goes for 305 c.i.d. and 350 c.i.d. as well )
1988 through 1995
Center bolts - 26 ft-lbs
Outer bolts - 20 ft-lbs
Flywheel bolts
(for 305 c.i.d. and 350 c.i.d. as well - 75 ft-lbs)
Intake Manifold Bolts
Lower Intake Manifold
1988-1995 - 35 ft-lbs
1996-2000 -
Step 1 - 27 in-lbs
Step 2 - 106 in-lbs
Step 3 - 11 ft-lbs
Upper Intake Manifold(1996-2000)
Step 1 - 44 in-lbs
Step 2 - 88 in-lbs
Oil pan baffle nuts - 26 ft-lbs
Oil pan to crankcase nuts/bolts
1988-1995
Nuts - 17 ft-lbs
Bolts - 97 in-lbs
1996-2000 - 18 ft-lbs
Oil pan to timing cover bolts - 70 in-lbs
Oil pump bolt - 65 ft-lbs
Rear oil seal housing to block bolts - 135 in-lbs
Rocker arm cover nuts/bolts - 106 in-lbs
Rocker arm studs - 35 ft-lbs
Rocker arm nuts/bolts(1995 later) - 20 ft-lbs
Timing Cover Bolts
1988-1995 - 124 in-lbs
1996-2000 - 106 in-lbs
Vibrator damper bolt(harmonic balancer)
1988-1995 - 70 ft-lbs
1996-2000 - 74 ft-lbs
