I wouldn't just replace the front bearing. Everytime I've had one that needed replaced the other wasn't far behind. Save yourself a headache, and do both.
Here's what I will use when my +12's are ready
http://www.murnanmodified.com/produc...roducts_id=229
Originally Posted by
rankev11
Sorry, forgot to say it was on the break-in bench. I figure it is a bearing but I am trying to eliminate on or the other since the rear is about $100 to replace. This is my first engine with ceramic bearing so I was just wondering how quickly they go bad. I may just replace the front and put it back together and see if it still makes the noise.