Large valved 273

I run a 273 0.030 over Edelbrock aluminum heads with 2.02 intake, 1.60 exhaust, notched block, with Commando pistons, Air Gap manifold. 650 cfm carb, Edelbrock RPM performer cam. Motor runs great going on 3 years now. Very responsive and reliable.
Any pictures of the notching? Any time slips from down the drag strip?