Specifications-5.7L Engine
WARNING: This page is about a different variant/trim than selected.
| DESCRIPTION |
SPECIFICATION |
| Engine Type |
90° V-8 OHV |
| Displacement |
5.7 Liters |
| |
345 (Cubic Inches) |
| Bore |
99.5 mm (3.91 in.) |
| Stroke |
90.9 mm (3.58 in.) |
| Compression Ratio |
9.6:1 |
| Max. Variation Between Cylinders |
25% |
| Firing Order |
1-8-4-3-6-5-7-2 |
| Lubrication |
Pressure Feed - Full Flow |
| - |
Filtration |
| Cooling System |
Liquid Cooled - Forced |
| - |
Circulation |
| Cylinder Block |
Cast Iron |
| Cylinder Head |
Aluminum |
| Crankshaft |
Nodular Iron |
| Camshaft |
Hollow Assembled Camshaft |
| Pistons |
Aluminum Alloy |
| Connecting Rods |
Powdered Metal |
| CYLINDER BLOCK |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Cylinder Bore Diameter |
99.50 mm |
3.917 in. |
| Out of Round (MAX) |
0.0076 mm |
0003 in. |
| Taper (MAX) |
0.0127 mm |
0.0005 in. |
| Lifter Bore Diameter |
21.45 - 21.425 mm |
0.8444 - 0.8435 in. |
| PISTONS |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Clearance |
0.0215 - 0.0485 mm |
0.0008 - 0.0019 in. |
| Measured at 38.0 mm (1.5 in.) Below Deck |
| Ring Groove Diameter |
| Groove #1 |
89.6 - 89.8 mm |
3.527 - 3.535 in. |
| Groove #2 |
88.1 - 88.3 mm |
3.468 - 3.476 in. |
| Weight |
414.5 grams |
14.62 oz. |
| Piston Length |
54.70 - 55.30 |
2.153 - 2.177 in. |
| Ring Groove Width |
| No. 1 |
1.51 - 1.54 mm |
0.0594 - 0.0606 in |
| No. 2 |
1.51 - 1.53 mm |
0.0594 - 0.0602 in. |
| No. 3 |
3.030 - 3.055 mm |
0.1192 - 0.1202 in. |
| PISTON PINS |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Clearance In Piston |
0.009 - 0.018 mm |
0.00035 - 0.0007 in. |
| Diameter |
24.0 - 24.003 mm |
0.9448 - 0.9449 in. |
| Length |
70.53 - 71.03 mm |
2.78 - 2.80 in. |
| PISTON RINGS |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Ring Gap |
| Top Compression Ring |
0.23 - 0.38 mm |
0.0090 - 0.0149 in. |
| Second Compression Ring |
0.35 - 0.60 mm |
0.0137 - 0.0236 in. |
| Oil Control (Steel Rails) |
0.15 - 0.66 mm |
0.0059 - 0.0259 in. |
| Side Clearance |
- |
| Top Compression Ring |
.02 -.068 mm |
0.0007 - 0.0026 in. |
| Second Compression Ring |
0.02 - 0.058 mm |
0.0007 - 0.0022 in. |
| Oil Ring (Steel Ring) |
.019 -.229 mm |
.0007 -.0091 in. |
| Ring Width |
| Top Compression Ring |
1.472 - 1.490 mm |
0.0579 - 0.0586 in. |
| Second Compression Ring |
1.472 - 1.490 mm |
0.0579 - 0.0586 in. |
| Oil Ring (Steel Rails) |
0.447 - 0.473 mm |
0.0175 - 0.0186 in. |
| CONNECTING RODS |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Piston Pin Bore Diameter |
23.955 - 23.975 mm |
0.9431 - 0.9438 in. |
| Side Clearance |
0.10 - 0.35 mm |
0.003 - 0.0137 in. |
| CRANKSHAFT |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Main Bearing Journal Diameter |
64.988 - 65.012 mm |
2.5585 - 2.5595 in. |
| Bearing Clearance |
0.023 - 0.051 mm |
0.0009 - 0.002 in. |
| Out of Round (MAX) |
0.005 mm |
0.0002 in. |
| Taper (MAX) |
0.003 mm |
0.0001 in. |
| End Play |
0.052 - 0.282 mm |
0.002 - 0.011 in. |
| End Play (MAX) |
0.282 mm |
0.011 in. |
| Connecting Rod Journal Diameter |
53.992 - 54.008 mm |
2.125 - 2.126 in. |
| Bearing Clearance |
0.020 - 0.060 mm |
0.0007 - 0.0023 in. |
| Out of Round (MAX) |
0.005 mm |
0.0002 in. |
| Taper (MAX) |
0.003 mm |
0.0001 in. |
| CAMSHAFT |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Bearing Journal Diameter |
- |
- |
| No. 1 |
58.2 mm |
2.29 in. |
| No. 2 |
57.8 mm |
2.27 in. |
| No. 3 |
57.4 mm |
2.26 in. |
| No. 4 |
57.0 mm |
2.24 in. |
| No. 5 |
43.633 mm |
1.72 in. |
| Bearing To Journal Clearance Standard |
| No. 1 |
0.040 - 0.080 mm |
.0015 -.003 in. |
| No. 2 |
0.050 -0.090 mm |
0.0019 -.0035 in. |
| No. 3 |
0.040 - 0.080 mm |
.0015 -.003 in. |
| No. 4 |
0.050 - 0.090 mm |
0.0019 -.0035 in. |
| No. 5 |
0.040 - 0.080 mm |
.0015 -.003 in. |
| Camshaft End Play |
.080 - 0.290 mm |
0.0031 - 0.0114 in. |
| VALVE TIMING |
| DESCRIPTION |
SPECIFICATION |
| Intake |
| Opens (BTDC) |
5.0° |
| Closes (ATDC) |
255.0° |
| Exhaust |
| Opens (BTDC) |
236° |
| Closes (ATDC) |
32° |
| Duration |
269.3° |
| Valve Overlap |
37° |
| CYLINDER HEAD |
| DESCRIPTION |
SPECIFICATION |
| Valve Seat Angle |
44.5° - 45.0° |
| Valve Seat Runout (MAX) |
0.05 mm (0.0019 in.) |
| Valve Seat Width (Finish) |
| Intake |
1.18 - 1.62 mm |
| - |
(0.0464 - 0.0637 in.) |
| Exhaust |
1.48 - 1.92 mm |
| - |
(0.0582 - 0.0755 in.) |
| Guide Bore Diameter (Std.) |
7.975 - 8.00 mm |
| - |
(0.313 - 0.314 in.) |
| HYDRAULIC TAPPETS |
| DESCRIPTION |
SPECIFICATION |
| Metric |
Standard |
| Body Diameter |
21.387 - 21.405 mm |
0.8420 - 0.8427 in. |
| Clearance (To Bore) |
0.020 - 0.063 mm |
0.0007 - 0.0024 in. |
| Dry Lash |
3.0 mm (at the valve) |
0.1181 in. |
| VALVES |
| DESCRIPTION |
SPECIFICATION |
| Face Angle |
45.0° - 45.5° |
| Head Diameter |
| Intake |
50.67 - 50.93 mm |
| |
(1.99 - 2.00 in.) |
| Exhaust |
39.27 - 39.53 mm |
| |
(1.54 - 1.55 in.) |
| Length (Overall) |
| Intake |
123.38 - 123.76 mm |
| |
(4.857 - 4.872 in.) |
| Exhaust |
120.475 - 120.855 mm |
| |
(4.743 - 4.758 in.) |
| Stem Diameter |
| Intake |
7.935 - 7.953 mm |
| |
(0.312 - 0.313 in.) |
| Exhaust |
7.932 - 7.950 mm |
| |
(0.312 - 0.313 in.) |
| Stem - to - Guide Clearance |
| Intake |
0.022 - 0.065 mm |
| - |
(0.0008 - 0.0025 in.) |
| Exhaust |
0.025 - 0.065 mm |
| - |
(0.0009 - 0.0025 in.) |
| Valve Lift (@ Zero Lash) |
| Intake |
12.0 mm (0.472 in.) |
| Exhaust |
11.70 mm (0.460 in.) |
| VALVE SPRING |
| DESCRIPTION |
SPECIFICATION |
| Spring Force (Valve Closed) |
| Intake and Exhaust |
435.0 N +/- 22.0 N @ 45 mm
(97.8 lbs +/- 5.0 lbs. @ 1.771 in.) |
| Spring Force (Valve Open) |
1077.0 N +/- 48.0 N @ 32.6 mm. |
| Intake and Exhaust |
(242.0 lbs. +/- 11 lbs. @ 1.283 in. ) |
| Free Length (approx) |
55.6 mm (2.189 in.) |
| Number of Coils |
| Intake and Exhaust |
7.95 |
| Wire Diameter |
| Intake and Exhaust |
4.95 x 4.1 mm |
| - |
(0.194 - 0.161 in.) |
| Installed Height (Spring Seat to Bottom of Retainer) |
| Intake and Exhaust |
46.0 mm (1.81 in.) |
| OIL PUMP |
| DESCRIPTION |
SPECIFICATION |
| Clearance Over Rotors (MAX) |
0.095 mm (0.0038 in.) |
| Outer Rotor to Pump Body Clearance (MAX) |
.235 mm (.009 in.) |
| Tip Clearance Between Rotors (MAX) |
0.150 mm (0.006 in.) |
| OIL PRESSURE |
| SPECIFICATION |
SPECIFICATION |
| At Curb Idle Speed (MIN)* |
25 kPa (4 psi) |
| @ 3000 RPM |
170 - 758 kPa (25 - 110 psi) |
| * CAUTION: If pressure is zero at curb idle, DO NOT run engine |