440 tunnel ram
Wow! That’s got some slop alright. If you just want to run the car as is to see what it does with the cam set right, you’ll need a piston stop to confirm TDC is marked correctly on the balancer. After you confirm that, set #1 to TDC firing and pull the left hand rocker cover, and rotate your cam until both valves are closed. It would be beneficial to do this first to see how far off it is and then install a new timing set.