CAM Bearing

Great close up photos, the early eights had a full set of bronze camshaft bearings, it looks like the later ones had only the front bearing replaceable with the others being cast iron, initially bronze then steel backed babbit. I have attached info from the Auburn 8-77 handbook. Auburn service bulletin number 10 and two pages from the "manual for Auburn service mechanics8-98 and 8-98A"

Many builders use bronze bearings in place of the babbit. The factory let the cam run in the cast iron block except for the front . Over time the the holes become oval and low oil pressure is a result. My builder puts bronze bushings in all of the cam bearings.

Thanks for the picture, that one almost looks like someone machined a bronze insert to go back in. I have heard of a few doing that.

Yes, the engine is being rebuilt in the shop. It is for The museum's 1931 Auburn sedan AKA "Education car"

Is this engine going through a rebuild? Thank you.

This is a 1931 Auburn 8 that we have in the shop. The engine is/was not 100% original as the Pistons had been Knurled at some point.
This is what its' Cam bearing looks like.

It "Looks" like a (soft) Babbit press in unit to me.
It also looks to be in good condition.
Have you tried to dig your thumbnail into it?
We have a stock original 1931 engine apart at the Museum, I will try to remember to snap a picture of it on Monday for you

I was down looking at one of my blocks and I was looking at the front CAM bearing. The crank and rods have been converted to inserts and not knowing what a babbot cam bearing looks like I was hoping one of you could be able to tell if this cam bearing is a babbott or a normal press in of some sort?

Thanks,
Curt