3.7L ENGINE
| DESCRIPTION |
SPECIFICATION |
|
| Type |
90° SOHC V6 12 Valve |
|
| Number of Cylinders |
6 |
|
| Firing Order |
1-6-5-4-3-2 |
|
| Lead Cylinder |
No. 1 Left Bank |
|
| Compression Ratio |
9.6:1 |
|
| Max. Variation Between Cylinders |
25% |
|
| Metric |
Standard |
|
| Displacement |
3.7 Liters |
226 Cubic Inches |
| Bore |
93.0 mm |
3.66 in. |
| Stroke |
90.8 mm |
3.40 in. |
| Horsepower |
211 @ 5200 RPM |
|
| Torque |
236ft. lbs.@4000 PRM |
|
| Compression Pressure |
1172-1551 kPa |
170-225 psi |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Bore Diameter |
93.013 ± .0075 mm |
3.6619 ± 0.0003 in. |
| Out of Round (MAX) |
0.076 mm |
0.003 in. |
| Taper (MAX) |
0.051 mm |
0.002 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Diameter |
92.975 mm |
3.6605 in. |
| Weight |
365.0 grams |
12.87 oz |
| Ring Groove Diameter |
||
| No. 1 |
85.37 - 83.13 mm |
3.282 - 3.273 in |
| No. 2 |
82.833 - 83.033 mm |
3.261 - 3.310 in. |
| No. 3 |
83.88 - 84.08 mm |
3.302 - 3.310 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Clearance In Piston |
0.006 - 0.015 mm |
0.0002 - 0.0005 in. |
| Diameter |
24.017 - 24.020 mm |
0.9455 - 0.9456 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Ring Gap |
||
| Top Compression Ring |
0.20 - 0.36 mm |
0.0079 - 0.0142 in. |
| Second Compression Ring |
0.37 - 0.63 mm |
0.0146 - 0.0249 in. |
| Oil Control (Steel Rails) |
0.25 - 0.76 mm |
0.0099 - 0.30 in. |
| Side Clearance |
||
| Top Compression Ring |
.051 - .094 mm |
0.0020 - 0.0037 in. |
| Second Compression Ring |
0.040 - 0.080 mm |
0.0016 - 0.0031 in. |
| Oil Ring (Steel Ring) |
.019 - .229 mm |
.0007 - .0091 in. |
| Ring Width |
||
| Top Compression Ring |
1.472 - 1.490 mm |
0.057 - 0.058 in. |
| Second Compression Ring |
1.472 - 1.490 mm |
0.057 - 0.058 in. |
| Oil Ring (Steel Rails) |
0.445 - 0.470 mm |
0.017 - 0.018 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Bearing Clearance |
0.006 - 0.044 mm |
0.0002 - 0.0017 in. |
| Side Clearance |
0.10 - 0.35 mm |
0.004 - 0.0138 in. |
| Piston Pin Clearance |
.015 - .028 mm |
0.0006 - 0.0011 in. |
| Bearing Bore Out of Round (MAX) |
0.004 mm |
0.0002 in. |
| Total Weight (Less Bearing) |
612 grams |
21.588 ounces |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Main Bearing Journal Diameter |
63.488 - 63.512 mm |
2.4996 - 2.5005 in. |
| Bearing Clearance |
0.002 - 0.046 mm |
0.00008 - 0.0018 in. |
| Out of Round (MAX) |
0.005 mm |
0.0002 in. |
| Taper (MAX) |
0.006 mm |
0.0004 in. |
| End Play |
0.052 - 0.282 mm |
0.0021 - 0.0112 in. |
| End Play (MAX) |
0.282 mm |
0.0112 in. |
| Connecting Rod Journal Diameter |
57.908 - 57.892 mm |
2.2798 - 2.2792 in. |
| Bearing Clearance |
0.006 - 0.044 |
0.0002 - 0.0011 in. |
| Out of Round (MAX) |
0.005 mm |
0.0002 in. |
| Taper (MAX) |
0.006 mm |
0.0002 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Bore Diameter |
26.02 - 26.04 mm |
1.0245 - 1.0252 in. |
| Bearing Journal Diameter |
25.975 - 25.995 mm |
1.0227 - 1.0235 in. |
| Bearing Clearance |
0.025 - 0.065 mm |
0.001 - 0.0026 in. |
| Bearing Clearance (MAX) |
0.065 mm |
0.0026 in. |
| End Play |
.075 - .200 mm |
0.003 - 0.0079 in. |
| End Play (MAX) |
.200 mm |
0.0079 in. |
| DESCRIPTION |
SPECIFICATION |
| Intake |
|
| Opens (BTDC) |
5.6° |
| Closes (ATDC) |
240.1° |
| Duration |
245.7° |
| Exhaust |
|
| Opens (BTDC) |
241.5° |
| Closes (ATDC) |
20.1° |
| Duration |
261.6° |
| Valve Overlap |
25.7° |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Face Angle |
45° - 45.5° |
|
| Head Diameter |
||
| Intake |
48.52 - 48.78 mm |
1.9103 - 1.9205 in. |
| Exhaust |
36.87 - 37.13 mm |
1.4516 - 1.4618 in. |
| Length (Overall) |
||
| Intake |
113.45 - 114.21 mm |
4.4666 - 4.4965 in. |
| Exhaust |
114.92 - 115.68 mm |
4.5244 - 4.5543 in. |
| Stem Diameter |
||
| Intake |
6.931 - 6.957 mm |
0.2729 - 0.2739 in. |
| Exhaust |
6.902 - 6.928 mm |
0.2717 - 0.2728 in. |
| Stem-to-Guide Clearance |
||
| Intake |
0.018 - 0.069 mm |
0.0008 - 0.0028 in. |
| Exhaust |
0.047 - 0.098 mm |
0.0019 - 0.0039 in. |
| Max. Allowable Stem-to-Guide Clearance (Rocking Method) |
||
| Intake |
0.069 mm |
0.0028 in. |
| Exhaust |
0.098 mm |
0.0039 in. |
| Valve Lift (Zero Lash) |
||
| Intake |
12.00 mm |
0.472 in. |
| Exhaust |
12.00 mm |
0.472 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Free Length (Approx) |
||
| Intake |
48.18 mm |
1.896 in. |
| Exhaust - w/damper |
49.2 mm |
1.973 in. |
| Spring Force (Valve Closed) |
||
| Intake |
332.0 - 368.0 N @ 40.12 mm |
74.63 - 82.72 lbs. @ 1.5795 in. |
| Exhaust - (without damper) |
356 - 394 N @ 39.12 mm |
80.031 - 88.57 lbs. @ 1.54 in. |
| Spring Force (Valve Open) |
||
| Intake |
948.0 - 1038.0 N @ 28.12 mm |
213.2 - 233.8 lbs. @ 1.107 in. |
| Exhaust - without damper |
874 - 956 N @ 27.12 mm |
196.5 - 214.9 lbs. @ 1.067 in. |
| Number of Coils |
||
| Intake |
7.30 |
|
| Exhaust |
7.15 |
|
| Wire Diameter |
||
| Intake |
4.77 × 3.80mm |
0.1878 × 0.1496 in. |
| Exhaust |
4.66 × 3.72mm |
0.1843 × .1464 in. |
| Installed Height (Spring Seat to Bottom of Retainer) |
||
| Nominal |
||
| Intake |
40.12 mm |
1.579 in. |
| Exhaust - w/damper |
40.12 mm |
1.579 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Gasket Thickness (Compressed) |
0.7 mm |
(0.0276 in.) |
| Valve Seat Angle |
44.5° - 45.0° |
|
| Valve Seat Runout (MAX) |
0.051 mm |
0.002 in. |
| Valve Seat Width |
||
| Intake |
1.75 - 2.36 mm |
0.0698 - 0.0928 in. |
| Exhaust |
1.71 - 2.32 mm |
0.0673 - 0.0911 in. |
| Guide Bore Diameter (Std.) |
6.975 - 7.00 mm |
0.2747 - 0.2756 in. |
| Cylinder Head Warpage (Flatness) |
0.0508 mm |
0.002 in. |
| DESCRIPTION |
SPECIFICATION |
|
| Metric |
Standard |
|
| Clearance Over Rotors/End Face (MAX) |
0.095 mm |
0.0038 in. |
| Cover Out - of -Flat (MAX) |
0.025 mm |
0.001 in. |
| Inner and Outer Rotor Thickness |
12.02 mm |
0.4731 in. |
| Outer Rotor to pocket (Diametral) clearance (MAX) |
.235 mm |
.0093 in. |
| Outer Rotor Diameter (MIN) |
85.925 mm |
0.400 in. |
| Tip Clearance Between Rotors (MAX) |
0.150 mm |
0.006 in. |
| SPECIFICATION |
SPECIFICATION |
|
| Metric |
Standard |
|
| 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 at 3000 rpm. |
||