Scored Main Cap Bearing - Ouch

gliderider06 said

I've been trying to follow all of this, forgive me if I missed something or it was already discussed. With the original problem of the rear main oil leak and now all the issues with the bearings, I think he might be better off starting with a new crank? Is this the only machine shop you have around you? It may be less hassle just to get a reman crank from summit, advance auto, or something than continue to deal with that shop... he can pull it apart, clean the snot out of the block, reassemble and not have to ever talk to them.
Just a thought

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It all started with a rear seal leak. I tore it down and found scored main bearings. Journal looks pretty good after cleanup. Then I found where the bolts for the flywheel were wrong and groved the main cap and ground them off. So I started looking at rod bearings and will look at more today. I dont think the crank had a good chamfer on the rear main. #8 rod was gone and #7 looked pretty good. The thrust bearing is bad. So today now that I have time I will pull other main caps and look at them and rod bearings to see if these are the only ones or are others like it. The mtr has had one oil change about 50 miles ago, 4-500 total.
The mtr is still in the car and pulling it is a big pain since I am 66, but in good health. I also live in the country and dont have any friends that can help. So its basically just me. I can find probably find a couple of people to help but they have not worked on cars before. So I was talking to Pittsburg Racer about this and it was decided the motr needs to come out. Probably new crank, line bore etc since this one is damaged and unknown. So I'll start looking for some help to pull the tranny and mtr.