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V8 lubrication V8 cylinerheads Rockershafts Valves Pistons Flywheel V8 timing V8 Oilpump V8 Camshafts V8 Crankshaft All about the Rover SD1 EFI system
 

Basics.

The Rover V8 engine is an eight cylinder, water cooled cast aluminium cylinder block with aluminium cylinder heads. The cylinder bank consist of steel liners which are pressed down to stops in the cylinder block and are set at 90° to each other. The crankshaft is carried in five main bearings. Adn end-float is controlled by the thrust faces of the upper centre main bearing shell.

The centrally located camshaft is driven by the crankshaft via an inverted tooth chain. The valves are operated by rockers, pushrods and hydraulic tappets. Distributor drive is by skew gear from the front of the camshaft. The aluminium alloy, pistons have two compression rings and an oil control ring and are secured to the connecting rods by semi-floating gudgeon pins. On later 4.2L engines the gudgeon pin is offset 0.5mm, identified by an arrow mark on the piston crown, which must always point to the front of the engine. Plain, big-end bearing shells are fitted to each connecting rod.

 

Components

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

1. Cylinder block
2. Piston and gudgeon pin
3. Connecting rod
4. Core plugs
5. Camshaft
6. Dipstick
7. Camshaft key
8. Timing chain
9. Camshaft sprocket
10. Spacer
11. Distributor drive gear
12. Distributor
13. Oil pump gears *
14. Timing cover and gasket *
15. Timing cover oil seal *
16. Crankshaft pulley
17. Crankshaft sprocket
18. Woodruff key
19. Crankshaft

20. Centre main bearing shell - upper
21. Crankshaft rear oil seal
22. Rear main bearing cap and side seals
23. Connecting rod cap
24. Main bearing caps
25. Oil pump cover
26. Oil pressure relief valve assembly
27. Oil pressure switch
28. Oil pump suction pipe and strainer
29. Sump
30. Drain plug
31. Timing cover
32. Timing cover gasket
33. Timing cover oil seal
34. Oil filter
35. Oil pressure switch
36. Oil pressure relief valve assembly
37. Camshaft thrust plate - if fitted

1. Cylinder head
2. Rocker cover
3. PCV filter
4. Rocker shaft
5. Tappet
6. Pushrod
7. Rocker shaft bracket
8. Rocker arm
9. Rocker shaft spring
10. PCV air intake filter

11. Engine oil filler cap
12. Inlet valve seal, spring, cap, and collets
13. Exhaust valve seal, spring, cap and collets
14. Inlet valve and seat
15. Exhaust valve and seat
16. Inlet manifold gasket and seals
17. Cylinder head gasket
18. Valve guide

 

  

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