Rod Knock?

[tpunx99GSX]

Originally Posted by Matt D.

Hate to say this, but what's the over/under on the time until Tom reports a spun bearing?

Tom, do it right or don't do it at all. Don't let us end up telling you "I told you so."

I am doing it right. If it was a concern at all you would see a thread dedicated to my parting out the car.
We are talking about very miniscule (almost like a scratch.) You cant catch your finger nail on it at all. Cant even really feel it with your finger. There should be no problems associated with this. I dont see any reason to have to pull the entire motor to take out the freakin crank because of a scratch. Theres doing it right and theres over doing it. That would definatly be overdoing it.

[Matt D.]

Originally Posted by tpunx99GSX

I am doing it right. If it was a concern at all you would see a thread dedicated to my parting out the car.
We are talking about very miniscule (almost like a scratch.) You cant catch your finger nail on it at all. Cant even really feel it with your finger. There should be no problems associated with this. I dont see any reason to have to pull the entire motor to take out the freakin crank because of a scratch. Theres doing it right and theres over doing it. That would definatly be overdoing it.

Have fun spinning a bearing.

Those scratches are imperfections in the journal surface. The bearings don't ever actually touch the journal, they are always separated by a thin film of oil. Any sort of scratch means there is imperfections in that surface making it more difficult for the bearing and journal to stay separated. It won't fail immediately unless there is assembly error, but you can't deny that it won't shorten the life of that bearing.

[mike55112]

Originally Posted by Matt D.

Have fun spinning a bearing.

Those scratches are imperfections in the journal surface. The bearings don't ever actually touch the journal, they are always separated by a thin film of oil. Any sort of scratch means there is imperfections in that surface making it more difficult for the bearing and journal to stay separated. It won't fail immediately unless there is assembly error, but you can't deny that it won't shorten the life of that bearing.

^ what matt d said.