Get a real boost controller or at least run a vacuum hose from the turbo to the wastegate actuator for stock boost. Keep playing with 18psi and I'll be glad to turn you on to another CA18DET engine after you blow-up yours.CaEric wrote:I thought u get boost cut around 12psi on the ca's ecu....how ever i messed up and hit 18psi....iam a dumb *** i know but it didnt hit and boost cut or anything like that ..is there a device on the ca that prevents it or is ot all controled by the ecu >