Hello everyone!

I've been asked to make some body parts for a dragster race car. They want them made with fiberglass and resin infusion.
When it comes to carbon fiber i know what stiffness i should expect when adding fabrics but this time i can only "guess" what should be enough.

The parts i have to make are the hood, drivers and passenger doors, trunk and most likely the roof.
All the parts will be exactly the same as the OEM. The hood, the trunk and the doors will all have their inner structures.

I'm planning of making them with 2 layers of 300gr Plain Weave fiberglass, 2mm lantor soric and another 300gr Plain Weave.
The only change i'm thinking of is for the roof. I was thinking of 2 layers of 300gr Plain Weave fiberglass, 2mm lantor soric and another 2 layers of the same 300gr.
Will these be enough? Should i choose another material combination?