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Originally Posted by 3kidsnotime
I have pulled a few engines down that they were installed upside down, And had major problems, I owned performance marine for 10 years and built an average of 200-250 supercharged engines a year and the last 7-8 years they are all we would use. I have seen a far cry more problems with a low friction ring. Im also wondering How a gapless second ring is affecting the job of the oil ring No oil should ever pass on the second ring, If the oil ring was doing its job??????
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Like I said, do a search. Try Chevelles.com, Camaros.net., LS1Tech, etc. It is well documented. Could be for the same reason that they now put a bigger gap on the second ring than the top ring for improved sealing; maybe sealing the second ring is an issue, it's opposite of what the new ring gaps do.
I do not know why, but I know of several engine builders who used to use them, and do not anymore. I tried 4 times with pro shops doing the finish, etc. as per Total Seals specs, and they all smoked and all used oil. I went to the simple Speed Pro plasma file fits and ended all issues.
Jody