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Which bearings are good? Which are bad? (Pictures)
Hello all! I'm getting ready to stack my 12a for my 84 GSL and am wondering about the bearings inside. The motor had 110,000 miles on it in case anyone was wondering. And the eccentric shaft looks as smooth as a baby's bottom. All of the bearing surfaces are also super smooth, with no groves or anything at all, just inquiring about the visible wear that I've read about in other threads. Take a look:
Front Stationary Gear (I know this one is probably bad, planning to replace this one):
Rear Stationary Gear: (focused more on the section where the bearing was connected together and the tiny spot of wear towards the rear)
Front Rotor: (I believe this looks good)
Rear Rotor: (Also probably good)
Thank you for your help. Also sorry for the picture drop, I just want to make sure everyone's got all the information I can give them so that I can get the help I need. I believe the rotor bearings are probably very usable and the rear stationary gear bearing MIGHT be usable? I am also currently working on a college student budget....so if I can reuse most of them, good! This is also going to be a summer-weekend type of car (if that means anything). Any feedback you can provide for each bearing is very much appreciated!
the front and rear stationary gears, definitely need replacing. front rotor looks to be ok but that rear one would probably need replacing. i'd just replace them all.
The only one that looks bad is the front one to me. I bought the press tools from Atkins Rotary and had a shop replace the stationary gear bearings on my current engine. I haven't replaced a rotor bearing on any engines yet but I have the tool.
Yeah only the front gear looks a bit sketchy to me and would swap for another if possible . The rest looks fine ; take a good look at the tips of the teeth protruding on those gears. High milers will round the teeth somewhat
and will be prone to ( catastrophic ) fail if they let go ! The teeth should have a nice clean angle on them ... kind of hard to describe .
03-07-21, 02:11 PM
