Put the cam in your block along with the timing set and oil pump drive and timing cover then check the end play and go from there, if it has less than .010 forward movement don't worry about it twocents
If more than .010 the fix it wrench up
440 Source sells a decent fabricated welded aluminum cover that might work for you scope
Let us know your results please thumbs

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)