[Healeys] Maximum 2.6 Bore

[Michael Salter]

For those with further interest in this subject I have published a short
blog article here <http://www.netbug.net/blogmichael/?p=1130>.

Michael S


On Mon, Apr 29, 2013 at 7:57 AM, Patrick & Caroline Quinn <
p_cquinn at tpg.com.au> wrote:

> G'day
>
>
>
> Perhaps someone out there might be able to assist.
>
>
>
> The engine from the Quinn Austin-Healey (not the soft touring car with
> wind-up windows and a glove box, but the other one) is with the engine
> rebuilder.
>
>
>
> It is an early 2.6 litre C-series with a smooth sided crankcase. The
> standard bore of which is 79.375mm and according to a well known parts
> supplier cannot be bored out past +60 which would take it to 80.875mm.
>
>
>
> When I removed the cylinder head I thought the pistons looked a little big,
> and sure enough the bores were measured today and they are 3.281 or
> 83.34mm.
> This is standard 3000.
>
>
>
> Number 2 cylinder is scored and will probably need to be sleeved.
>
>
>
> Has anyone had an experience at taking a 2.6 engine past its 'permissable'
> limit?
>
>
>
> Hoo Roo
>
>
>
> Patrick Quinn
>
> Sydney, Australia
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-- 
Michael Salter