Okay here are some photos of my cowl and firewall as are for comparison and the inside pillars as they have rusted and been treated previously, but as there is clearly structural metal missing im considering using the pillars on the firewall cut.

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And here is the firewall im replacing it with.

IMG_1429 (800x600).jpgIMG_1431 (800x600).jpgIMG_1433 (600x800).jpgIMG_1436 (600x800).jpg

theres a few small spots the need attention on the new cowl but still a good improvement.

IMG_1430 (600x800).jpgIMG_1435 (800x600).jpg

any advice on where to cut?