Welcome to the forum. Check out the "Safely Modding" thread linked below. Sounds like that's what you're looking for. It was a great help to me back in the day.

Safely Modding Your 3800 Powered Car!!

Quote Originally Posted by reenact12321 View Post
...and for a few monthly payments that would go to a used G8, SS or Challenger, I could really put some TLC and maybe even improvements to her...
Smart!