SPECIFICATIONS
2.7L ENGINE
DESCRIPTION SPECIFICATION
General Specifications
Type 60° DOHC V-6 24-Valve
Displacement 2.7 Liters (167 Cubic
Inches)
Bore & Stroke
86.0 x 78.5 mm
(3.386 in. x 3.091 in.)
Compression Ratio 9.67:1
Lead Cylinder #1 Right Bank
Firing Order 1-2-3-4-5-6
Cylinder Block
Cylinder Bore Diameter 86.0 mm ±0.0076
(3.3859 in. ±0.0003)
Out of Round (Max.) 0.076 mm
(0.003 in.)
Taper (Max.) 0.051 mm
(0.002 in.)
Pistons
Material Aluminum Alloy
Piston Diameter 85.983 mm ±0.019
(3.3851 in. ±0.0017)
Clearance at Size
Location
– 0.0096 to +0.0436 mm
(– 0.0003 to +0.0016 in.)
Piston Weight 316–326 grams
(11.1466–11.4994 oz.)
Piston Ring Groove
Diameter—No. 1
77.8–78 mm
(3.063–3.070 in.)
Piston Ring Groove
Diameter—No. 2
75.9–76.1 mm
(2.988–2.996 in.)
Piston Ring Groove
Diameter—No. 3
76.5–76.7 mm
(3.011–3.019 in.)
Piston Pins
Type Full Floating
Pin Diameter 21.997–22.000 mm
(0.8661–0.8662 in.)
Clearance in Piston 0.005–0.013 mm
(0.0002–0.0005 in.)
Clearance in Rod 0.007–0.018 mm
(0.0003–0.0008 in.)
DESCRIPTION SPECIFICATION
Piston Rings
Ring Gap—Top
Compression Ring
0.20–0.36 mm
(0.008–0.014 in.)
Ring Gap—2nd
Compression Ring
0.37–0.63 mm
(0.0146–0.0249 in.)
Ring Gap—Oil Control
(Steel Rails)
0.25–0.76 mm
(0.010–0.030 in.)
Piston Ring Side Clearance
Compression Ring—Top 0.035–0.083 mm
(0.0013–0.0032 in.)
Compression Ring—
Second
0.040–0.080 mm
(0.0016–0.0031 in.)
Oil Ring (Steel Rails) 0.058–0.204 mm
(0.0022–0.0080 in.)
Piston Ring Width
Compresion Rings—Top
and Second
1.47–1.49 mm
(0.0579–0.0587 in.)
Oil Ring (Steel Rails) 0.445–0.470 mm
(0.0176–0.0186 in.)
Connecting Rods
Bearing Clearance 0.024–0.064 mm
(0.001–0.0026 in.)
Side Clearance 0.13–0.38 mm
(0.0052–0.015 in.)
Side Clearance (Max.) 0.4318 mm
(0.017 in.)
Piston Pin Bore Diameter 22.007–22.015 mm
(0.8665–0.8668 in.)
Bearing Bore Out of
Round (Max.)
0.004 mm
(0.0002 in.)
Total Weight (Less
Bearing)
529.9 ±7 grams
(18.6917 ±0.247 oz.)
Crankshaft Main Bearing Journals
Diameter 63.49–63.51 mm
(2.4997–2.5004 in.)
Bearing Clearance 0.035–0.053 mm
(0.0014–0.0021 in.)
Bearing Clearance (Max.) 0.087 mm
(0.0034 in.)
Out of Round (Max.) 0.015 mm
(0.0006 in.))
LH ENGINE 2.7L 9 - 17
ENGINE 2.7L (Continued)