hello people im kinda new to this so please cut me some slack ... i got my 87 mk3 with a 7m jdm motor swap it had a blown head gasket so i got the replaced along with cuple other lil thing like studs and timing belt .. ever sence i got it out the shop i still had sigh of bhg like engine temp jumping to hot the fallen back down white smoke and coolent leaking and just yesterday i open the radiator cap and it had a milk like scum one it i look the overflow take and the coolent look think and look it had oil in it i have no i dea wat is the problem can some one help me??:1zhelp: