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@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
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