they actually do run them before they go in....and I can tell you one thing, the salesman took my car on a drive for me to check on a beeping sound and he definitely didn't keep it under 4200.....
this topic has come up before a bit here, some are all over the board during break in.....
some are diehard to the manual......
I was all over the place so I'll let you know if mine ever blows up
Threaded Mode
