GMC chevrolet camaro 2000 Service Manual page 785

6-18 Engine Mechanical - 3.8l
Engine
Engine Mechanical Specifications (cont'd)
Specification
Application Metric English
Main Bearing To Journal Clearance 1 0.0178-0.0406 mm 0.0007-0.0016 in
Main Bearing To Journal Clearance 2, 3, and 4 0.0229-0.0457 mm 0.0009-0.0018 in
Rod Bearing Clearance 0.0127-0.0660 mm
0.0005-0:0026 in
Crankshaft End Play 0.076-0.276 mm
0.003-0.011 in;
Connecting Rod
Rod Side Clearance 0.102-0.508 mm 0;004-0.0200 in
Connecting Rod Large End Bore ID
60.295-60.312 mm 2.37378-2.3745 in
..
Camshaft
.
;
Journal Diameter 47.655-46.858 mm 1.8462-1 .. 8448 in
Bearing Inside Diameter 1 and 4 46.970-46.934 mm 1.8428-1.8492 in - . .
Bearing Inside Diameter 2 and 3 46.977-46.942 mm 1.8481-1.8495 in
Bearing-to-Journal Clearance 0.041-0.119 mm
0.0016-0.0047 in
Intake Maximum Lobe Lift 6.55 mm ·. 0.258 in
Exhaust Maximum Lobe Lift 6.48 mm 0.255 in.
Balance Shaft
End Play
0.0-0.171 mm 0.0-0.0067 in
Rear Journal Diameter 38.085-38.105 mm 1 .4994-1 .5002 in·, .
Radial Play-Front, Bearing Clearance 0.0-0.026 mm 0.0-0.0010 in
Rear Bearing To Journal Clearance 0.0127-0.109 mm 0.0005-0.0043 in
Drive Gear Lash
0.050-0.125 mm 0.002-0.0049 in
Bearing Bore Diameter-Front
51.973-51.999 mm 2.0462-2.0472 in
Bearing Bore Diameter-Rear, In Block 47.584-47.612 mm 1 .8735-1.87 45 in
(
Bearing Inside Diameter-Rear 38.118-38.194 mm 1.5007-1.5037ih
Valve System
Lifter
Hydraulic
Rocker Arm Ratio 1.6:1
Face Angle
45°
..
Seat Angle
45°
Minimum Margin
0.635 mm 0.025 in
Seat Runout-Maximum 0.050 mm 0.002 in
Seat Width-Intake 1.53-2.03 mm
0.060~0.080 in
Seat Width-Exhaust 2.29-2.79 mm 0.090-0.110.in.
Stem Height-All
49.15-50.17 mm 1.935-1.975 in
Stem Clearance-All 0.038-0.089 mm 0.0015-0.0032 in
Valve Spring
Free Length 49.78 mm 1.960 in
Load-Closed
334N@
43.69 mm
. -75 lb@ 1.72 in
Load-Open 1014 N @ 32.4 mm 228 lb @ 1.277 in
.
Installed Height 42.93-44.45 mm 1.690-1 . 720 in
Approximate Number of Active Coils 4.48
.
Approximate Number of Total Coils 6.60
Flywheel
Runout~Maximum 0.38 mm 0.015 in
(