help someone must know 1. have finished building my engine back up new pistons, head and gasket,cam belt ect and also now running a td04 turbo,oil reloctor, and using a jam ecu well here go it start fine and idle about 600? tick over fine till it gets hot and then start jumping up and down around 400 - 700rmp? and after like 30 sec of doing that will just cut out ? 2. no boost sound like its boosting but not reading on gauges and dus not fill like it got a turbo (thinking could be a pipe not on right?) also pvc vavle not in best nick as cracked wen tooking it out will this make any diffien