piston groove

I’ll see if I can find the Chrysler spec because I believe there is one, but when the ring, especially that big, heavy one is that loose in the grove it looses seal every time the piston changes directions and it will just continue to beat the ring groove out of it. That’s why some of the power adder stuff has hard anodized top ring grooves.

I'm not disagreeing. I'm wondering what the spec is. It stands to reason if the ring is 5/64, then the groove has to be bigger, because there is clearance. That's why I am wondering what the spec is and what the tolerance is.