My brother and I bought a 1973 wriedt jet boat has a crack in the hull due to bad stringers I'm assuming first time doing anything with fiberglass so all the help is appreciated we removed all the old and have been sanding and grinding like crazy theres a crack in the hull almost a foot long that I need help starting with in the pics you can see someone tried to repair it before we plan on pulling the motor soon any info is great thanks in advance

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