Patrick-
The consensus on the list over the years was there was enough meat on the
2.6 to bore out to std 3.0. You may want to check the wall thickness, if
done well you may be able of over bore a bit to take out the score.
Alan
On Monday, April 29, 2013, Patrick & Caroline Quinn 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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