Italian Deli Pasta Salad with Homemade Dressing

Name: Italian Deli Pasta Salad with Homemade Dressing
Cuisine: European, Italian, Mediterranean
Ingredients: 2000 g water; 45 g salt, (for pasta water); 235 g dried rotini; 25 g white vinegar; 2 tsp olive oil, or neutral oil; 100 g pitted kalamata olives, chopped; 60-75 g red bell pepper, small diced; 50-75 g pepperoncini, diced; 110 g Genoa salami, 1" square dice; 100-150 g fresh mozzarella; 100 g oil-packed sun-dried tomatoes, 1/2" chop; 75 g aged parmesan, coarsely ground; 40 g red onion, chopped and rinsed; 10g garlic; 30 g red bell pepper; 50 g grainy mustard; 50 g red wine vinegar; 90 g white distilled vinegar; 1/2 tsp dried oregano; 1/2 tsp dried basil; 1/2 tsp red pepper flake; 1/2 tsp ground black pepper; 30g granulated sugar; 10 g kosher salt; 400 g neutral oil