Wheel alignment affects safety, handling, and performance. Abnormal tire wear and handling quirks signal the need for wheel alignment. Modifying the chassis or suspension requires a trip to the ...
For black-magic mystery, front-end alignment is right up there with air conditioning, starter-motor or alternator rebuilding, fuel injection, carburetor tuning, and automatic-transmission overhauls.
You claim that "too much toe-in will make a car's steering feel light and very vague". I think you're getting your toe-in and toe-out mixed up. Toe-in will give a pronounced self-centering ...