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Other than the time etc. Some have said that the ring is almost too tight. It scrapes all the oil off and eliminates consumption, but leaves the cylinder wall too dry for the up-stroke and can cause long term wear?
Any opinions? My car's starting to get on my nerves...
Re: Any disadvantages to doing a re-ring? (Cobra4B)
I had mine done, then the engine broke (hole in block) after about 200 miles, possibly due to antifreeze/debris in the head bolt pocket so they had to replace the engine. It was worth it because my engine had other problems as well, but the new engine seems to be using a little oil and there is no way I would let them re-ring it. Fudge it, just add some oil and be happy.
Re: Any disadvantages to doing a re-ring? (JohnnyB)
Not sure how much you are using, but the LS-1 doesn't do that well with Mobil-1 5W-30 or 10W-30 for that matter. You might want to try a change with Amsoil 5W-30 (ASL) prior to jumping into a re-ring. Reasons:
1. Viscosity of Amsoil is higher at 100 degrees C then Mobil
2. Amsoil has better Noack volutility then Mobil
3. Amsoil has better high temperature shear then Mobil
I have recently switched four of my cars to Amsoil from Mobil after getting an excellent used oil analysis on the Amsoil in the Vette. My Suburban usage was almost cut in half. Not saying this will be your ultimate solution, but it might make the situation a little more toloerable.
PS: I am not affiliated in any way with Amsoil, I have just been very impressed with the results of using it in my cars.
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Re: Any disadvantages to doing a re-ring? (Cobra4B)
If you get a competent tech that knows what to do, then the only disadvantage is the time it takes to get the job done. I had mine done almost two years ago and have not regretted it. Good luck.
Re: Any disadvantages to doing a re-ring? (vettenuts)
...... Reasons:
1. Viscosity of Amsoil is higher at 100 degrees C then Mobil
2. Amsoil has better Noack volutility then Mobil
3. Amsoil has better high temperature shear then Mobil
......
:iagree: Mobil1 barely qualifies as a 30 weight oil. It' more like a high 20's weight.
Re: Any disadvantages to doing a re-ring? (rhoeven)
I think I'll try the AMSOIL 5w30 and monitor it. If it still eats up oil then I'll get the consumption test done. I have factory warranty until 1/2/04, and I'm thinking of going to fitchner for a 60k extended. I need to change the oil now, but I'm out of town for a month so I can't start the consumption test yet. I'd try some 15w50 (what lingenfelter uses), but I don't want to void my warranty.
Re: Any disadvantages to doing a re-ring? (Cobra4B)
Amsoil is not API certified because it has more ZDDP then allowed by the latest API standard. The limit on ZDDP is being driven by the potential for zinc to poison the cats over time. However, ZDDP is a major antiwear agent that is especially important when you have boundary lubrication rather then hydrodynamic lubrication. Bottom line is that it is a better oil because it doesn't meet the API standard. It's use is something you must decide.
Re: Any disadvantages to doing a re-ring? (vettenuts)
Amsoil is not API certified because it has more ZDDP then allowed by the latest API standard. The limit on ZDDP is being driven by the potential for zinc to poison the cats over time. However, ZDDP is a major antiwear agent that is especially important when you have boundary lubrication rather then hydrodynamic lubrication. Bottom line is that it is a better oil because it doesn't meet the API standard. It's use is something you must decide.
Vette, I have consumption problems too.. I was going to switch to 15w-50 (Per lingenfelter also) But one thing stopped me...
I was afraid to put an extra load on my Oil pump.. I think I heard our LS1 pumps are not that robust... What is your opinion?
Re: Any disadvantages to doing a re-ring? (Cobra4B)
Definitely play with oil weights and PCV setups first.
On my old 2000 Camaro SS, I ended up running 4 quarts of 10w30 and 2 quarts of 15w50 Mobil 1 and it drank about .5-1quart between changes (with hard driving and dragstrip runs).
Prior to that, with 5w30 is was more like 1qt every 1000 miles.
I still run 5w30 in the winter in the Camaro for the cold starts (I live in MA), but then again, I do not run the car hard at all (pretty much does not see over 3000rpm the entire winter) and it consumes about the same or less.
Vette gets the same 10w30/15w50 mix because it is only a summer car, it is covered in the winter.
Re: Any disadvantages to doing a re-ring? (chuckster)
Vette, I have consumption problems too.. I was going to switch to 15w-50 (Per lingenfelter also) But one thing stopped me...
I was afraid to put an extra load on my Oil pump.. I think I heard our LS1 pumps are not that robust... What is your opinion?
My personal opinion is that you get more benefit from using the Amsoil characteristics then simply going to a heavier weight Mobil-1. Amsoil will be the correct weight, and may provide some usage benefits. There is more here at play then just the viscosity.
Re: Any disadvantages to doing a re-ring? (Cobra4B)
My advice is not to use any oil that does not meet GM's spec. To much of a chance that they will void your warrenty if the new oil dosen't fix the high oil consumption problem and you then take your car back to the dealer for the re-ring. I use Valvoline Syn 10W30 in my vette.
Re: Any disadvantages to doing a re-ring? (JoesC5)
Well I put mobil-1 5w30 back in the car today... I don't want to "dilute" the consumption problem at all. When I get back home I'm going to do the consumption test. If I pass it I'll get the rings re-done (5 quarts in 6200 miles is unacceptable), if not I'll try to get it done anyway, if I can't get it done I'll play with some AMSOIL 5w30.
As for the 15w50 and 5w30 mix heling the consumption out like that, it sound reassuring. I'd be happy wiht a quart every 6k.
Re: Any disadvantages to doing a re-ring? (Cobra4B)
My '01 coupe burns about 1 quart of oil per 600 miles. GM will replace the rings that are the cause of the high oil consumption. My warranty ends March '04.
I have not decided if I am going to have the repair performed. I have not had any other problems with the car. I may just leave it the way it is and add oil as required.
My '01 STS burns about the same amount. WTF it's a GM.
Re: Any disadvantages to doing a re-ring? (Cobra4B)
YES, there is a negative. You will no longer have as fresh oil in your car. If you are buring a quart and adding it back before the oil change, you are keeping fresher oil in your car. :jester :jester
Re: Any disadvantages to doing a re-ring? (sinorswim)
Having the rings done is very scary! I had mine done though, because my dealer was willing to install all my speed parts at the same time, for only$500. This worked out great for me, and I am burning 1 qt per 4000 miles, now.
I tried 15/50 oil to stop the 1 qt per 1000 burning but it did not help at all on mine.