hi rc world need answers,i have ofna .12s engine that was in my parking lot car and after break in it blow people said it had no compression that was3 season ago. been out for a season had to sale all my good cars and stock over the last few yaers to pay bills!now im back on my feet and getting back in just got a new kyosho for my bday from my wife sorry my boss all i kept was my parking lot car pulled it out so i can get the filling back and practice before i put my new baby on the track! toke this engine apart but i do not see any thing wrong help if a engine loss compression what do i do