Dragon, right i runs on all 4 and idel like a dream but its the blue smoke that is my concern but this is what i have done i have diconected the oil feed pipe to the turbo and stoped the turbo from spining and smoke is still ther so iam asuming its engine ie valve steam oil seals or vg but iam gona send the turbo off to get reconditioned any way and take the head off and put all new seals and recon the head my self as i can only trust my work