Before you condem the enigne i would be getting a cylinder leakage test for all you know it could be a valve not seatings find out where the compression is leaking from before you give the engine a full rebuild.. As a mechanic i seen lots of people pay for a full rebuild when its been a valve not seating.. get the cars properly check before condeming the whole engine.. my lil 2 cents add just a thought... but still if u wanna check if it is the compression rings doa wet test as it is called in the industry, this will tell you if it is the rings not sealing..
