Engine Specifications

GENERAL ENGINE SPECIFICATIONS

Application			Specification
3.3L
Displacement			201 Cu. In. (3.3L)
Bore			3.66" (93.0 mm)
Stroke			3.19" (81.0 mm)
Compression Ratio			8.9:1
Fuel System			PFI
Horsepower @ RPM
VIN "R"			147 @ 4800
VIN "T"			153 @ 5300
Torque Ft. Lbs. @ RPM
VIN "R"			183 @ 3600
VIN "T"			177 @ 2800
3.8L
Displacement			231 Cu. In. (3.8L)
Bore			3.78" (96.0 mm)
Stroke			3.43" (87.1 mm)
Compression Ratio			8.9:1
Fuel System			PFI
Horsepower @ RPM			150 @ 4400
Torque Ft. Lbs. @ RPM			203 @ 3200

CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS SPECIFICATIONS

Application

In. (mm)

Crankshaft End Play

⁽¹⁾ .003-.009 (.08-.23)

Main Bearings

Journal Diameter

2.519 (64.00)

Journal Out-Of-Round

.001 (.03)

Journal Taper

.001 (.03)

Oil Clearance

.0007-.0030 (.018-.076)

Connecting Rod Bearings

Journal Diameter

2.283 (58.00)

Journal Out-Of-Round

.001 (.03)

Journal Taper

.001 (.03)

Oil Clearance

.0007-.0030 (.018-.076)

⁽¹⁾	Wear limit is .010" (.25 mm).

CONNECTING RODS SPECIFICATIONS

Application	In. (mm)
Side Play	.005-.015 (.13-.38)

PISTONS, PINS & RINGS SPECIFICATIONS

Application

In. (mm)

Pistons

Clearance

.0010-.0022 (.025-.057)

Diameter

3.3L

3.6594-3.6602 (92.950-92.968)

3.8L

3.7776-3.7783 (95.950-95.968)

Pins

Diameter

.901 (22.88)

Piston Fit

.0002-.0007 (.005-.018)

Rod Fit

⁽¹⁾

Rings

No. 1 & 2

End Gap

⁽²⁾ .0118-.0217 (.300-.550)

Side Clearance

⁽³⁾ .0012-.0037 (.030-.095)

No. 3 (Oil)

End Gap

.0098-.0394 (.250-1.000)

Side Clearance

.0005-.0089 (.014-.226)

⁽¹⁾	Interference fit.

⁽²⁾	Wear limit is .039" (.99 mm).

⁽³⁾	Wear limit is .004" (.10 mm).

CYLINDER BLOCK SPECIFICATIONS

Application			In. (mm)
Cylinder Bore
Standard Diameter
3.3L			3.66 (93.0)
3.8L			3.78 (96.0)
Maximum Taper			.002 (.05)
Maximum Out-Of-Round			.003 (.08)

VALVES & VALVE SPRINGS SPECIFICATIONS

Application

Specification

Intake Valves

Face Angle

45°

Head Diameter

1.79" (45.5 mm)

Minimum Margin

.031" (.79 mm)

Minimum Refinish Length

4.936" (125.38 mm)

Stem Diameter

.3124" (7.935 mm)

Exhaust Valves

Face Angle

45°

Head Diameter

1.476" (37.50 mm)

Minimum Margin

.047" (1.19 mm)

Minimum Refinish Length

4.961" (126.00 mm)

Stem Diameter

.3112" (7.904 mm)

Valve Springs

Free Length (Approximate)

1.909" (48.50 mm)

Installed Height

1.539-1.598" (39.10-40.60 mm)

Pressure ⁽¹⁾

Valve Closed

88-98 @ 1.57 (40.15-44.37 @ 39.88)

Valve Open

203-224 @ 1.17 (92.12-101.82 @ 29.00)

⁽¹⁾	Lbs. @ In. (kg @ mm).

CYLINDER HEAD SPECIFICATIONS

Application

Specification

Maximum Warpage

⁽¹⁾ .00075" Per 1" (.0190 mm Per 25 mm)

Valve Seats

Intake Valve

Seat Angle

45°

Seat Width

.069-.088" (1.75-2.25 mm)

Maximum Seat Runout

.003" (.08 mm)

Exhaust Valve

Seat Angle

45°

Seat Width

.057-.078" (1.50-2.00 mm)

Maximum Seat Runout

.003" (.08 mm)

Valve Guides

Intake Valve

Valve Guide I.D.

.3130-.3149" (7.950-8.000 mm)

Valve Stem-To-Guide Oil Clearance

⁽²⁾ .001-.003" (.03-.08 mm)

Exhaust Valve

Valve Guide I.D.

.3130-.3149" (7.950-8.000 mm)

Valve Stem-To-Guide Oil Clearance

⁽³⁾ .001-.003" (.03-.08 mm)

⁽¹⁾	Maximum combined total grind limit of cylinder head and cylinder block is .008" (.20 mm).

⁽²⁾	Wear limit is .0097" (.247 mm), measured with dial indicator at valve head with valve .55" (14.0 mm) off its seat.

⁽³⁾	Wear limit is .016" (.41 mm), measured with dial indicator at valve head with valve .55" (14.0 mm) off its seat.

CAMSHAFT SPECIFICATIONS

Application

In. (mm)

End Play

.005-.012 (.13-.30)

Journal Diameter

No. 1

1.997-1.999 (50.72-50.76)

No. 2

1.980-1.982 (50.32-50.37)

No. 3

1.965-1.967 (49.94-49.99)

No. 4

1.949-1.952 (49.53-49.58)

Oil Clearance

⁽¹⁾ .001-.004 (.03-.10)

⁽¹⁾	Wear limit is .005" (.13 mm).

VALVE LIFTERS SPECIFICATIONS

Application

In. (mm)

Bore Diameter

.9051-.9059 (22.990-23.010)

Lifter Diameter

⁽¹⁾ .903-.904 (22.94-22.96)

Oil Clearance

.0011-.0024 (.027-.060)

⁽¹⁾	Standard diameter valve lifter is listed. Oversize valve lifters are available in .001" (.03 mm), .008" (.20 mm) and .030" (.76 mm).