you do realize that the "squiggly" ring goes in the groove first> then the others ontop and below the "squiggly" in the same groove. the thin rings will sit on the shelf of the "squiggly" ring. installed correctly they shouldn't scratch at all. good luck. check the ring end gaps for spec again before you button it all up cause when the engine warms up and the ends of the rings touch at all ,they will break and make a mess inside!! the point of using oversized rings is to minimize the gap for more compression . for a street car you will not really notice much differance and you set yourself up for some potential grief. be sure of what you are trying to accoomplish ,triple check everything and good luck!CaifanSC said:I was talking to a friend of mine and i kinda cleared something up. THere are three 'rings' in that go in the last groove...two really thin rings and the 'squiggly' spacer. I was told that I do need to gap the two thin rings to specs, which i will do...however, the squiggly spacer is still too large to fit inside the cylinder bore w/o having it scratch. Thats what im having problems with. Any suggestions?
How do you get an oval shape out of that ? The bore should be round which means there is extra stretch on the outside and scrunch on the inside. Since the bore will through use get larger at the bottom then the top, I see premature wear from the rings flexing in the tighter spaces but not misshape of the cyl. wall. Also, the rings spin (usually) when the engine is running. In the event they dont, I can see an unusual pattern on the cyl wall from scoring but oval? Please explain.CMac89 said:I didn't see that you had .030 rings in a .020 motor. Thats not the greatest decision because instead of it becoming a circle the ring turns into more of an oval shape. I guess you'll see when you get it running whether or not it works though.
I didn't say the bore goes oval, I said if the ring is cut/filed to fit a smaller bore the piston ring will go past the circluar shape to an oval. I've already had this happen with another car.seawalkersee said:How do you get an oval shape out of that ? The bore should be round which means there is extra stretch on the outside and scrunch on the inside. Since the bore will through use get larger at the bottom then the top, I see premature wear from the rings flexing in the tighter spaces but not misshape of the cyl. wall. Also, the rings spin (usually) when the engine is running. In the event they dont, I can see an unusual pattern on the cyl wall from scoring but oval? Please explain.
Chris
huckleberry said:you do realize that the "squiggly" ring goes in the groove first> then the others ontop and below the "squiggly" in the same groove. the thin rings will sit on the shelf of the "squiggly" ring. installed correctly they shouldn't scratch at all. good luck. check the ring end gaps for spec again before you button it all up cause when the engine warms up and the ends of the rings touch at all ,they will break and make a mess inside!! the point of using oversized rings is to minimize the gap for more compression . for a street car you will not really notice much differance and you set yourself up for some potential grief. be sure of what you are trying to accoomplish ,triple check everything and good luck!