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Quote:

Originally Posted by RunninHotRacing158 (Post 2749598)

]I got a piar of 598's that will leak less than 5% right now:
thats dayum G@@d #s BIG Daddy ,must be them big hp motors :eek: cause down here fresh off the dyno there seeing 8 to 10 %

maybe we should use these Speed Pro plasma for a game of ring toss :ernaehrung004:

It's not Speed Pro rings, they are Total Seal Gapless TS1.

Rob,
The 4.560 is a shelf piston. You should not have any problems going that big. Like I said, I regularly take Gen VI blocks to 4.600. I have taken a few to 4.625, but they do get a little thin. Have the block sonic checked and be sure to leave at least .200-.250 wall thickness. It all depends on how much core shift the block has as to how thick it will be. You will have one side of the cylinder wall that is thicker than the other side because of the shift. The other deciding factor is salt water corrosion from the back side. Salt water will eat the back side of the cylinders and make them thinner. So in theory, a fresh water block will have thicker cylinder walls than a salt water block.
Eddie