1UZFE 5 Litre Conversion.

[Lextreme II]

I think stroking the 4.0 to 5.0 and turboing is not a good idea. Here is why www.lextreme.com/3uzblock.html If you are thinking of larger cubic. A casted iron block from Tundra and FI then it would be better. But the weight of iron block will off set your car balance.

david