So I’ve walked myself into a mega f***fest haha. I have a 65 that I’m rebuilding the brake system on. It’s 4 wheel drums. I’m going from manual to power. I bought a booster, master, and distribution block for a 70-72. My front brake lines are the right size for the block but my rear line fitting is too small. How much of a sin would it be to use an adapter to fit the smaller brake line fitting into the bigger port on the distribution block. I know it’s gonna look less clean but I’m more concerned about the safety and performance of the whole deal. I bought all these parts months ago. This would only be for the rear line, my front lines are the proper size.