[Healeys] just wondering

[richard mayor]

Ira, I'm a bit skeptical here. I know there's a lot of meat in those Austin
blocks, but I would like some confirmation from someone, or two, down under
that they have actually bored out their 3000 engine 120 thousandths (.120
inches) without having any issues.

Richard Mayor
BN7L-466  Vintage Racer
Portland, Oregon




> From: eyera3 at gmail.com
> Date: Thu, 2 Dec 2010 18:22:18 -0800
> To: austin.healey at gmail.com
> CC: healeys at autox.team.net
> Subject: Re: [Healeys] just wondering
>
> Thanks to all, I can have one fewer things to over think about on my car :)
>
> On Thu, Dec 2, 2010 at 5:00 PM, Chris Dimmock
<austin.healey at gmail.com>wrote:
>
> > Ira,
> > I have the Denis Welch 85mm cosworth pistons in my BJ8. That's approx 65
> > thou oversize
> > Many healeys in Australia have Volvo pistons to get 3.3 litres ie well
over
> > 120 thou oversize.
> > I used to have a Sprite with Hillman imp pistons - again well over 120
thou
> > oversize.
> > BMC blocks have quite thick walls.
> > If your block is at 40 thou, don't worry, it has plenty of birthdays
> > left...
> > ;-)
> > chris
> >
> > Sent from my iPhone
> >
> >
> > On 03/12/2010, at 4:56 AM, I Erbs <eyera3 at gmail.com> wrote:
> >
> >  My BT7 engine is bored 40 over. I see on ahead4healeys' site that they
> >> have
> >> .60 over piston and ring sets.
> >> I have always feared what would happen if I ever had to rebuild my
engine
> >> again?
> >> So the question is can I use .60 over pistons safely in my 29D street
> >> engine, if need be?
> >> With around 30K on the engine, I hope this will not be an issue during
my
> >> lifetime, but just in case......
> >> Thanks
> >> --
> >> Ira Erbs
> >> DIGS-4 SOLUTIONS
> >> IT CONSULTANTS
> >> Portland, OR
> >>
> >
>
>
> --
> Ira Erbs
> DIGS-4 SOLUTIONS
> IT CONSULTANTS
> Portland, OR
>       _______ Austin Healey 3000 _______
>      (______ \____1960 BT7____/_______)
>          (_________________________)
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