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Re: Cylinder Bore

To: "PG" <britishcars@shaw.ca>
Subject: Re: Cylinder Bore
From: "Peter Hunt" <peter@easterton.com>
Date: Thu, 9 Nov 2006 08:03:27 -0000
The workshop manual for the 29D, 29E, 29F & 29K engines indicate a maximum
4th oversize piston of 0.040" (1.016 mm).

Based on a standard bore of 83.34 mm and a stroke of 88.90 mm, the plus
1.016 mm oversize piston will give a total engine displacement of 2982.75
cc.

Errors & Omissions excluded.

Peter Hunt

----- Original Message -----
From: "PG" <britishcars@shaw.ca>
To: <healeys@autox.team.net>
Sent: Thursday, November 09, 2006 5:05 AM
Subject: Cylinder Bore


> I reviewed the archives for this question but could not find a definitive
> answer.
>
> Does anybody know the maximum over-bore that a 2.9 litre Healey engine can
> take.
>
> A thread in the archives alluded to +60 thousandths but there was no
> definitive conclusion.
>
> Also, Does anybody know the related displacement change by the resulting
> increase in the bore?
>
> Thanks
>
> Paul




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