ok... enuf of the master technician stuff LOL
suprasux: pleaseeeeeeeeeeeeee ask me to change ur username
2. try the block check as suggested above...
when you did the motor swap what items on the car remained the same?
did you get the radiator professionally flushed?
new water pump?
radiator cap?
thermostat?
clutch fan still healthy?
do you have a waterfall sound behind the dash?
have you done a compression check?
there have been many many 7m owners that have got a mhg & arp head studs and prepped the head and block and not had any head gasket issues again.... the godly 1jz is not always the answer... it's a fashion statement imo