1950-1966 [Subscribe to Daily Digest] |
Before you dive into the clutch, make sure it slips when the clearance is adjusted correctly. The way clutches wear reduces the clearance and you may be able to get some more life out of it. However, this is usually of limited utility--once they wear enough to cause slipping from misadjustment, even if readjustment stops the slipping, the disc is usually pretty near the end of its life.
As to what else to do to the engine while its out, this is impossible to address usefully without knowing more. How many miles on it? Do you have any issues besides low oil pressure? Plenty of power? Oil leaks? Internal oil consumption? How much? Have the heads been upgraded with hardened seats? How is compression? Do you have any history of engine work from previous owners? How has it been maintained?
The easy stuff would be oil pan gasket & check lower end bearings, rear crank seal, valve cover gaskets & adjust valves, water pump if there is any roughness or play in the shaft. The front (balance shaft) seal can only be replaced with the timing cover removed. If the lower bearings show wear, they should all be replaced, rods and mains. I think this can be done without timing cover removal but not certain; if it is to be done, the crankshaft should be carefully measured. If there is side play at the balance shaft, then its bearings are worn; replacement will require special tools and the camshaft bearings are probably worn too. Any combination of worn cam, balance, rod and main bearing wear can cause reduced oil pressure and suggest either poor maintenance or an aging engine.
You might get another ten years out of the engine without touching a thing, or you might do all the easy stuff up to new rod and main bearings and still be taking it apart again in six months for worn piston rings. Much of this can only be assessed by teardown inspection assisted by maintenance history. Kind of a domino thing in a lot of ways.
posted by 208.53.8...
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