Several factors influence the time:
* Experience: A seasoned mechanic will be much faster than a novice.
* Tools: Having the right tools (e.g., spring compressor, socket set, torque wrench) significantly reduces time.
* Access: Rust or seized bolts can dramatically increase the time required.
* Unexpected issues: Discovering problems like broken bolts or damaged components will add time.
A first-timer should realistically budget closer to 3 hours per strut, possibly more. It's also a good idea to add extra time for cleanup.