Originally Posted by
Carlos-Titx
If it's a decent company I wouldn't worry.
Left mine with MSD for a week while I was working away and didn't have the slightest worry about my motor.
i didn't worry about them test driving my motor after a mapping session, i just buggered off for a couple of hours and came back when they told me it was done.
not all places can be trusted though, but sometimes it depends how you treat them initially.