My first experience tearing into an engine farther than head removal was a
similar operation on my old TR4A.
I did the pistons and liners with the engine in place in the single stall that
came with the apartment I rented at the time. My experience was similar to
Randall's, biggest challenge I remember was keeping everything clean, not just
the crank but also to get the sealing surface for the figure 8 seals at the
bottom of the liners cleaned up, as there will be a lot of crud in the block.
The car ran great for many years after. Would it be better to take it out and
do a full rebuild, sure? But time, resources and inclinations play a role as
well.
Greg Lemon
---- John Macartney <john.macartney@ukpips.org.uk> wrote:
> With due respect to all those who have contributed this far, why not be done
> with it and use the opportunity to remove the engine and gearbox complete?
> Even if you don't do anything to the box, what else has worn? If it's
> smoking that badly, then a new set of piston rings and new valve guides
> would be the cheap and cheerful route for a year or so. The head might be
> the cheapest fix - but for how long? Having done probably more wet liner
> four rebuilds than I've had hot dinners in an earlier life, it you're going
> to fit new liners and pistons, why shouldn't one also find unacceptable
> levels of wear on the cam lobes, cam followers, big and little end bearing
> shells, oil seals, water pump and WHY? IMHO just fitting new pistons and
> sleeves makes about as much sense as fitting a new clutch plate and not
> bothering to replace the cover and thrust bearing at the same time.
> Maybe I've got more money than sense (?) but the reported condition of this
> old lump suggests that a full rebuild and checking a raft of other stuff
> will save the time and inconvenience of pulling it apart again at a later
> stage when something else goes pear-shaped.
> Just the thoughts of an old ***t who worked on these cars at the factory
> when they were being made so I'll now return to my hole in the ground.
>
> Jonmac
>
>
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