Yes the standard block can have a +20 or +40 overbore.
Russ you have missunderstood me.
It's a bit long winded but this link has an S60R dynoed with a standard manifold and off the shelf cat back exhaust. It made 530BHP on pump fuel
http://www.tme.se/e_main.htm
It was fitted with a Garrett T25 flanged GT series turbo, Im sure you are well aware of it from talks you had with MTE when you invited them over though... Or do you know of others too?
This is the car
http://shop.mte.se/
I hope this answers your question, could you now answer some of the questions asked of you?
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