Looking for advice on flexplate starter alignment

[Shellyarrowsmith]

Hello I am looking for advice on an out of alignment flex plate. Recently put new one in as the old one had 4 broken teeth. Bought same one put it in and the starter is chewing the thing up. Took about 10 attempts to get the starter in the bell housing. The friend I had doing it said he thinks that this flex plate is the wrong one and will continue to chew it up. My truck is 69 Chevy c10 with a 396 and 400 turbo auto trans, does any one have any ideas on this issue that could assist as the flex plate is as per manufacture specs.
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