[olddog]

Thanks guys.

At first I thought there could be know differance in performance. Then I thought it could change the exhaust scavenging (SP?) and even smooth out flow in the intake. So then I thought it was possible that it could impact performance, so I had to ask.

I sure would like to hear both engines side by side, just out of curiosity. I'll have to pay attention at some car shows.

Is that factory cast iron cranks that tend to break? I wouldn't think anyone would stroke and build more Hp with the smaller mains of the 5.0 block if the larger mains 351 block already soves the problem. If the cranks are a known problem, I will rule a 5.0 completely out right now. However if steel cranks are OK then I may keep it on my maybe list.