I can turn it over from either end. The starter is brand new and I've had it tested. If you remove the debris shield you can watch it engage but it's not contacting the flexplate
I bought the truck almost a year ago, and it wasn't running at the time. They figured it was a stripped flywheel (could hear the new starter engage but no response from the motor). I got it very cheap so I put the flywheel they bought into it, not thinking about it possibly being wrong. While...