i bought the car and there was no oil burning what so ever drove the car 2 hours home and stopped to car for the night i started it the next morning and all a sudden all this blue reek came out of the exhaust i let the car idle for a wile and when i reved it white smoke poured out . since then its been burning blue smoke i changed the valve seals and now the car is putting out black reek any thoughts . i dont know where to go from here thanks

 

compression test it