Cartel
Active Member
Why would it do this?
something is scratching cylinder 8
- Thread starter Cartel
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Cartel
Active Member
is the oil ring messing up?
I agree, based on the uniformity of the markings maybe the oil ring was not installed properly. Looks like the inner ring of the oil ring is making contact with the cylinder. The good thing is the scratches should not be that deep and if you pull that piston and fix it you can just reinstall and run it.
I agree with the above posts, but your engine looks dirty as well. If your oil is getting dirty running the piston through the motions it should cleaned. What is the debris on the deck surface?
Cartel
Active Member
I think I see the issue. the ends seem to be messed up on the oil expander
Cartel
Active Member
also I'm seeing conflicting information on the direction of the ends.
some say face them up, some say face them down.
mine appear to be facing up. I think thats what hastings said on the papers.
I cant find anything online for hastings but this useless garbage
hastingspistonrings.com
seems to the top is correct in my case thats how I put them
some say face them up, some say face them down.
mine appear to be facing up. I think thats what hastings said on the papers.
I cant find anything online for hastings but this useless garbage
Installation of 3-Piece Oil Rings – Hastings Piston Rings
hastingspistonrings.com
ya? what direction?
seems to the top is correct in my case thats how I put them
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Cartel
Active Member
Just looking again, I am not sure if the expander was the issue or not.
It almost looks defective or something.
maybe it was that second compression ring?
It almost looks defective or something.
maybe it was that second compression ring?
Cartel
Active Member
its oil. I wiped the piston with a rag after I pulled it out, thats why it looks a bit rough
the engine has been in a bag out in the garage for months.
also these pistons are made in india and smelled like a horses a$$.
Looks like black mold forming on the pins.
I will obviously clean the piston when I put it back in.
This isnt hotrod garage here
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Cartel
Active Member
I'm not feeling any burs or sharp edges on the rings.
I'm stumped. I guess I'm order a single set of rings and swap out the oil rings
I'm stumped. I guess I'm order a single set of rings and swap out the oil rings
Cartel
Active Member
I remember tring to put the oil scraper on first a time or 2. for some reason it didnt click into my head that the scrapers ride the shoulder made for them on the expander. for some reason I thought the expander just "resides" there. Its actually locked in with the upper and lower scraper. I am concerned now. I'm thinking I may have to check them all now
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