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Re: 3a sleeves: to bore, or not to bore?

To: triumphs@autox.team.net
Subject: Re: 3a sleeves: to bore, or not to bore?
From: Dave Quirt <quirt@sk.sympatico.ca>
Date: Mon, 11 Sep 2000 21:58:25 -0600
References: <200009120051.e8C0pRi23278@teamfat2.dsl.aros.net>
Jim:

Been there, done that both ways. Now I have a pile of worn liners, as
experience has led me to prefer to take advantage of the 87 mm kits.

I would go with a new set of 87 mm liners/pistons. Then worry about
scraping up the cash for the rest of the rebuild.

Dave Q.
Neuhorst, SK
'60 TR3A etc.


> Jim Wallaces wrote:
> I am torn between getting the sleeves from my 3a engine bored, or getting new
> ones - the dilemma is financial otherwise the decision would be simple.
> I am told that locally at least, it would be difficult to find someone to bore
> them because they are used to depending on entire blocks for stability when
> boring i.e. the cylinder must hold still to assure a good job, and the weight
> of the entire block helps. A set of new sleeves however becomes a mighty 
>expensive
> proposition by the time they land on my doorstep here in Canada.
> So the question becomes: is it the experience of list members that there are
> indeed machine shops around (North America) who can cope with sleeves, and is
> it cost-effective to get them done?
> It is very easy to say "just get new ones". If it turns out that there really
> is a difference of say < $100 I will go with new sleeves, but, this is money
> that could be put toward new pistons, rings, main bearings, tappets, big end
> bearings, thrust washers, head gasket, small end bearings, camshaft bushings,
> valve guides, exhaust valves.....or who knows? There could even be something
> else to spend money on.
> Maybe I should have taken up quilting as a hobby.
> Jim


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