There is no substitute.

[Bob]

Per Lindgren wrote:

>
> That is completely true, the W12 is two VR6s joined together. But this isn't the
> first time VW/Audi pulled this stunt and got away with it. Ya'll remember the
> 1989 Audi V8? That engine was two Jetta 1,8s joined together, bore and stroke
> being identical. Not only bore and stroke, but also cylinder spacing is
> identical.

?? Wasnt the 1.8 jetta block cast iron? The v8 sure isnt...

Bob