Ah, yes I do have an exhaust pipe running about 7 inches away from the outer diameter of the booster housing,Ill run some aluminum 1/16 in. plate stock around the pipe tommorow and run her around the block till shes nice and warm, ive tried just about everything else short of rerunning all the lines etc. That makes good sense, thanks abunch Yakimabowtie, Ill post again tomorrow