Don't force it you will just do more damage. I'd yank the valve covers and take a look at the chains. If it skipped pull the heads and see if the pistons are OK. If they are send the heads out (I'd use Metric Motors), and see what its going to cost you to fix.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200