Can rings un-seat?

fccperdiem · Posted: Fri May 23, 2014 5:24 pm Post subject: Can rings un-seat?

I have a 2017cc with maybe 3000 miles. I took it for a long drive yesterday, with oil temps up to 220F, and returned with an oily mess in the engine bay. It seems as though there is a ton of blow-by, spewing a mist of oil from my breather box. I started to wonder if a ring (or rings) could become un-seated. I broke the engine in with dino, but changed to synthetic very shortly after (maybe 20 miles). Could the long drive have un-seated rings?
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Eric
Beard Fire Metalworks
Ellsworth, ME
207-242-0016
www.beardfiremetalworks.com

raul arrese · Posted: Fri May 23, 2014 5:27 pm Post subject:

No way , if the rings were already broken in its either hurt or something else wrong ..

[email protected] · Posted: Fri May 23, 2014 5:36 pm Post subject: Re: Can rings un-seat?

20 miles is not "broken in". I wouldn't use Synthetic that soon, but that's me.
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fccperdiem · Posted: Fri May 23, 2014 5:42 pm Post subject:

John, I'm starting to agree with you. I plan to adjust the valves, and run a compression test. If the numbers are reasonable, I'll replace the synthetic with good 'ole dino, and run the 30-50-30 cycle 50 times.

It was pretty damned hot that day. I just hope I didn't break a ring!
_________________
Eric
Beard Fire Metalworks
Ellsworth, ME
207-242-0016
www.beardfiremetalworks.com

saw2 · What is 30-50-30 cycle?

What is 30-50-30 cycle?

craigman · Posted: Fri May 23, 2014 7:36 pm Post subject:

I use synthetics from the very first fire. It does take a lot longer for my engines to break in. My last one took about 1k miles before it finally settled in.
Drive it like you would normally do. I myself drive them kinda hard. If something's going to happen, I want to know sooner than later.
But that's just what works for me! Cool

Quokka42 · Posted: Fri May 23, 2014 7:38 pm Post subject:

I personally wouldn't use synthetic until the engine is broken in, but that's to protect the cam and lifters, it shouldn't affect ring operation unless an inappropriate grade is chosen. Enough blowby to be spewing oil suggests a broken ring which is usually due to incorrect ring gaps or break in procedure.
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bug_65 · Samba Member Joined: October 01, 2011 Posts: 14

I had a simliar problem with my new engine after about 1500miles I had eoil vehicle was puffing a little smoke and lack of power after inspecting engine I found that I had a pulled intake guide causing oil to pour into combustion chamber which I believe was caused by overheating on a long trip without a temp gauge.

raul arrese · Posted: Sat May 24, 2014 5:57 am Post subject: Re: Can rings un-seat?

[email protected] · Posted: Sat May 24, 2014 9:06 am Post subject: Re: Can rings un-seat?

IDK. I have seen rings stop sealing if the jetting is too rich. The excess fuel just wipes the oil off the cylinders.

I have seen a good number of engines with miles over 10k where the rings never broke in fully. Just because he has 3k miles on the engine doesn't mean they are broken in and sealing properly.

I have also seen engines with rings never sealed up, cause by driving like an 80yo woman, "because the engine is new". Drive it like you stole it! That will break them in. If something is going to break it's going to break, better to find out right away than later.

I have also seen a lot of engines where the rings don't seal, when they do not have a working thermostat. Hot cylinders (hot, as in warmed up) don't tend to glaze over like cold cylinders (not warmed up) do. I consider a working thermostat required for proper break in. I also know a lot of guys disagree or dismiss this advice. YMMV.
_________________
It's just advice, do whatever you want with it!

Please do NOT send me Private Messages through the Samba PM System (I will not see them). Send me an e-mail to john at aircooled dot net

"Like" our Facebook page at
http://www.facebook.com/vwpartsaircoolednet
and get a 5% off code for use on one order for VW Parts ON OUR PARTS STORE WEBSITE, vwparts.aircooled.net

craigman · Posted: Sat May 24, 2014 10:44 am Post subject:

Like John said, drive it like you stole it!

Oh, BTW John, got my type 4 conversion flywheel the other day. Looks great! Cool


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