The reason for using the A12 block is to avoid getting an engineers
certificate, since the engine is to replace an A10 (988cc). Though now it
seems a better idea to do it properly, and get some disk brakes, an
engineers certificate and use an A14/15.
> I dont know the exact figure but i know the A14/15 can be bored max 140thou.
> The bore on the A12 is 73mm and A14/15 76mm. So theres allready approx
> 120thou difference between blocks. So as a guess, around 200 thou??? Maybe
> more? But i see no point boring a A12 block as the deck height is 15mm
> shorter than the A14/15 giving a lower overall capacity. Maybe someone else
> has an exact figure...
>
> Scott
> Davo
>
> -----Original Message-----
> From: James & Chirryl <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> Date: Thursday, 18 January, 2001 15:42
> Subject: Re: Drag racing pics
>
>
>>
>> gday list,
>> Does anyone know how far an A12 block can be safely bored out to? there
>> seems to be a fair bit of meat between the cylinders . But I don't think
> it
>> would have been done before, as most poeple use an A14\15 block as a
>> starting point.
>>
>> thanks,
>>
>> James.
>>
>
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