Hey guys....driving my vspec gtr 33 ...round 8500 in second coming down a hill...big black cloud of smoke...instant loss of power....then constant blue smoke...engine sounds rough...thinking maybe compression ring / rings ??? drove it home under 2000 for 20 mins or so...hoping i havent done any further damage...should of been paying more attention to the tach..instead of the crazy s13 in front of me ....any thoughts......btw..this my first post so i hope im putting it this in the right spot.