2001
Chevrolet Corvette Restoration Kit
•
Piston Compression Ring Groove Clearance
0.05-0.088
mm
0.002-0.0034
in
(Production--2nd)
•
Piston Oil Ring Groove Clearance (Production)
-0.008-0.176
mm
-0.0003-0.0069
in
•
Piston Compression Ring Groove Clearance
0.04-0.086
mm
0.00157-0.0033
in
(Service--Top)
(Maximum)
(Maximum)
•
Piston Compression Ring Groove Clearance
0.05-0.088
mm
0.002-0.0034
in
(Service--2nd)
(Maximum) (Maximum)
•
Piston Oil Ring Groove Clearance (Service Limit)
-:-0.008-0.176
mm
-0.0003-0.0069
in
(Maximum) (Maximum)
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•
Valve Face Angle
45 degrees
•
Valve Guide Installed Height (Measured from the
Cylinder Head Spring Seat Surface to the Top
of
the
17.32
mm
0.682
in
Valve Guide)
•
. Valve Lash Net Lash--No Adjustment
•
Valve Lift (Intake) 13.27
mm
0.522
in
•
Valve Lift (Exhaust) 13.25
mm
0.521 in
•
Valve Lifter
. Hydraulic Roller
•
Valve Margin 1.25 mm (Minimum)
0.05
in
(Minimum)
•
Valve Rocker Arm Ratio
1.70:1
•
Valve Seat Angle
46 degrees
•
Valve Seat Runout
0.05 mm (Maximum) 0.002
in
(Maximum)
•
Valve Seat Width (Intake) 1.02 mm
0.04
in
•
Valve Seat Width (Exhaust)
1.78 mm
0.07
in
•
Valve Spring Free Length 53.40
mm
2.10
in
•
Valve Spring Installed Height (Intake1
45.75
mm
1.8
in
•
Valve Spring Installed Height (Exhaust)
45.75
mm
1.8
in
..
Valve Spring Pressure (Closed)
400
N at 45.75 mm 90
Ib
at 1.8
in
•
Valve Spring Pressure (Open) 1150
Nat
32.42 mm
259
Ib
at 1 .28
in
•
Valve Stem Clearance (Production--Intake)
0.025-0.066
mm
0.001-0.0026
in
•
Valve Stem Clearance (Production--Exhaust)
0.025-0.066
mm
0.001-0.0026
in
•
Valve Stem Clearance (Service--Intake)
0.093
mm
0.0037
in
(Maximum)
(Maximum)
•
Valve Stem Cle'arance (Service--Exhaust)
0.093 mm
0.0037
in
(Maximum)
(Maximum)
•
Valve Stem Diameter (Production) 7.955-7.976
mm
0.313-0.314
in
•
Valve Stem Diameter (Service)
7.95 mm (Minimum) 0.313
in
(Minimum)
•
Valve Stem Oil Seal Installed Height (Measured from
the
Valve Spring Shim to Top Edge
of
Seal
Body-
18.1-19.1
mm
0.712-0.752
in
First Design Seal)
Page 60
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