[olddog]

From all the dyno test I have seen on the GT40 heads and the flow data, they are a poor choice for a stroker. The heads don't flow good enough for a 302 let alone a stroker. Look on Keith's web site at heads. For just a little more money you can buy much better heads.

If it is in the budget, the 4.125" bore block that Keith suggested would be a great engine.