GENERAL SPECIFICATION STABLE

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1 4.0L V8 - VINS [K,U] Selected Block 1990 Lexus LS 400 For Lextreme Powertrain 2020 S. Hacienda Blvd. # D Hacienda Heights California Copyright 1998 Mitchell Repair Information Company, LLC Thursday, May 08, :38PM ENGINE SPECIFICATIONS GENERAL ENGINE SPECIFICATION GENERAL SPECIFICATION STABLE Specification Displacement... (1) Cu. In. (4.0L) Displacement... (2) 244 Cu. In. (4.0L) Bore " (87.5 mm) Stroke " (82.5 mm) Compression Ratio :1 Fuel System... PFI RPM Torque Ft. RPM (1) Model. (2) Model CRANKSHAFT MAIN & CONNECTING ROD BEARINGS 1990 CRANKSHAFT MAIN & CONNECTING ROD BEARINGS TABLE Crankshaft End Play New or Rebuilt ( ) Service Limit (.300) Runout (.080) Main Bearings Journal Diameter ( ) Journal Out-of-Round (.020) New or Rebuilt ( ) Service Limit (.055) Connecting Rod Bearings Journal Diameter ( ) Journal Out-of-Round (.020) New or Rebuilt ( ) Service Limit (.065) 1991 CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS

2 1991 CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS TABLE Crankshaft End Play New Or Rebuilt ( ) Service Limit (.300) Runout (.080) Main Bearings Journal Diameter ( ) Journal Out-Of-Round (.020) New Or Rebuilt ( ) Service Limit (.055) Connecting Rod Bearings Journal Diameter Reference Mark "1" ( ) Reference Mark "2" ( ) Reference Mark "3" ( ) Journal Out-Of-Round (.020) New Or Rebuilt ( ) Service Limit (.065) CONNECTING RODS SPECIFICATIONS CONNECTING RODS TABLE Bore Diameter Piston Pin Bushing ( ) Big End (Crankpin) Reference Mark "1" ( ) Reference Mark "2" ( ) Reference Mark "3" ( ) Reference Mark "4" ( ) Maximum Bend (1) (.050) Maximum Twist (1) (.150) Side Play New or Rebuilt... (2) ( ) New or Rebuilt... (3) ( ) Service Limit... (2).0150 (.380) Service Limit... (3).0138 (.380) 4.0L V8 - VINS [K,U]Selected Block (p.

3 Rod Bolt Shank Diameter New or Rebuilt ( ) Service Limit (7.000) (1) - Per 3.94" (100 mm) of connecting rod center-to-center length. (2) Model. (3) Model. PISTONS, PINS & RINGS SPECIFICATIONS PISTONS, PINS & RINGS TABLE Pistons Piston-to-Bore Clearance New or Rebuilt ( ) Service Limit (.060) Diameter Size Mark "1" ( ) Size Mark "2" ( ) Size Mark "3" ( ) Piston Pin Diameter ( ) Piston Fit... (1) Rod Fit... (2) New Or Rebuilt... (3) ( ) Service Limit... (3).002 (.05) Rings No. 1 End Gap New or Rebuilt ( ) Service Limit (1.050) Side Clearance ( ) No. 2 End Gap New or Rebuilt ( ) Service Limit (1.200) Side Clearance ( ) No. 3 (Oil) End Gap (Side Rails Only) New or Rebuilt ( ) Service Limit (1.100) (1) - Push 140 F (60 C) (2) - Push fit. (3) model 4.0L V8 - VINS [K,U]S

4 CYLINDER BLOCK SPECIFICATIONS CYLINDER BLOCK TABLE Cylinder Bore Diameter Reference Mark "1" ( ) Reference Mark "2" ( ) Reference Mark "3" ( ) Service Limit (87.730) Maximum Deck Warpage (.070) VALVES & VALVE SPRINGS SPECIFICATIONS VALVES & VALVE SPRINGS TABLE Specification Intake Valves Face Angle Minimum Margin New or Rebuilt " (1.00 mm) Service Limit " (.50 mm) Minimum Refinish Length " ( mm) Stem Diameter " ( mm) Valve Tip Maximum Refinish... (1) Exhaust Valves Face Angle Minimum Margin New or Rebuilt " (1.00 mm) Service Limit " (.50 mm) Minimum Refinish Length " ( mm) Stem Diameter " ( mm) Valve Tip Maximum Refinish... (1) Valve Springs Free Length " (43.6 mm) Installed Height " (32.90 mm) Out-of-Square " (2.00 mm) Pressure In. mm) Valve Closed ) (1) - DO NOT exceed 4.0L V8 minimum - VINS [K,U]Selected overall valve Block length. (p. 4)1990 Lexus LS 400For Lextreme Powertra

5 CYLINDER HEAD SPECIFICATIONS CYLINDER HEAD TABLE Specification Maximum Warpage " (.10 mm) Valve Seats Intake Valve Seat Angle Seat Width " ( mm) Maximum Seat Runout... (1) None Seat Bore Diameter... Not Available Exhaust Valve Seat Angle Seat Width " ( mm) Maximum Seat Runout... (1) None Seat Bore Diameter... Not Available Valve Guides Intake Valve Valve Guide Cylinder Head Bore I.D. Standard Size " ( mm) Oversize " ( mm) Valve Guide I.D " ( mm) Valve Guide Installed Height... Install to Circlip Stem-to-Guide New or Rebuilt " ( mm) Service Limit " (.080 mm) Exhaust Valve Valve Guide Cylinder Head Bore I.D. Standard Size " ( mm) Oversize " ( mm) Valve Guide I.D " ( mm) Valve Guide Installed Height... Install to Circlip Stem-to-Guide New or Rebuilt " ( mm) Service Limit " (.100 mm) (1) - Valve seat must be concentric. If not, reface seat. CAMSHAFT SPECIFICATIONS CAMSHAFT TABLE 4.0L In. V8 -(mm) VINS [K,U]Selected Block

6 End Play New or Rebuilt ( ) Service Limit (.120) Journal Diameter Exhaust Cam Thrust Bearing ( ) All Others ( ) Journal Runout (.080) Lobe Height Intake New or Rebuilt ( ) Service Limit (41.560) Exhaust New or Rebuilt ( ) Service Limit (41.76) New or Rebuilt Exhaust Cam Thrust Bearing ( ) All Other Bearings ( ) Service Limit (.100) Camshaft Gear Backlash New or Rebuilt ( ) Service Limit (.300) Camshaft Gear Spring End Gap ( ) VALVE LIFTERS SPECIFICATIONS VALVE LIFTERS TABLE Bore Diameter ( ) Lifter Diameter ( ) New or Rebuilt ( ) Service Limit (.070) END OF ARTICLE 4.0L V8 - VINS [K,U]S

1998 Saab 900 SE ENGINES Saab 2.0L & 2.3L 4-Cylinder

1998 Saab 900 SE ENGINES Saab 2.0L & 2.3L 4-Cylinder Removal & Installation See VALVE SPRINGS under CYLINDER HEAD under OVERHAUL. CAMSHAFT Removal 1. Rotate crankshaft until "0" mark on flywheel aligns with timing mark on flywheel cover. Remove inspection