Re: Changing liners without taking apart the crank

[George Graves <gmgraves@domain.elided>]

I that that you have to at least remove the connecting rods from the 
crank. On the Giulietta Alfas, anyway, the liners used to come from 
Borgo with the pistons already installed in them. The installation 
procedure was to push the piston down as far as you could without the 
lowest (oil) ring popping out the bottom of the liner. This exposed the 
wrist-pin and allowed the connecting rods to be installed. I seem to 
remember that pushing the piston down this far  was much lower than the 
crank throw would allow the piston to normally ride. Since the V-6 is a 
very over-square engine, I would suspect that you wouldn't even see a 
piece of the wrist pin with the piston in its lowest position with the 
connecting rod still attached to the crank. Someone else with more 
experience with the lower end of this engine can probably tell us for 
sure.

George Graves
'86 GTV-6



On Wednesday, Jan 8, 2003, at 04:03 US/Pacific, alfa-digest wrote:


> ------------------------------
>
> Date: Tue, 7 Jan 2003 13:12:07 -0800 (PST)
> From: Zamani Zambri <zzambrimail@domain.elided>
> Subject: Changing liners without taking apart the crank
>
> Hi Guys,
>
> For a V6 is this possible? The heads (guides, seals) and bearings (rods
> and mains) were done 2 years ago but I the liners, rings and pistons
> were not replaced. Can I somehow change out the pistons and liners
> without taking apart the crank and rods?
>
> I guess since I would have the engine out, it would be a good thing,
> but if it is not necessary, I would like to avoid it.
>
> Thanks.
>
> Zamani
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