issues replacing timing chain set

In future, get yourself 2" and 2.5" bolts with 3/4" - 16 threads (same as Mopar small block threading). Use these in the threaded hole inside the crank snout with a flat washer pushing on a short piece of pipe with square ends to push the crank sprocket into place. It is supposed to be a very tight fit.

Torque on the cam sprocket bolt is supposed to be 35 ft lbs but it is common to increase this to 45-50 lbs as these tend to work loose if not tight. Clean up the bolt AND the hole inside the cam thoroughly with brake clean or solvent or paper towel to get the threads squeaky clean and dry, and use Blue Locktite on the threads.

When the dots are lined up, the pistons are such that #1 and #6 are slightly after top dead center (ATDC). #6 is in the firing postion with the dots aligned.