I have a FluidDampr from 1995, virgin. Never been run. I have it set aside for my 505. The guy at the machine shop said there isn't a problem when I bored the block 4 yrs ago..I think the new design, with a name that isn't original is going to cause issues..

Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s