Had my z on the dynamometer today and it gave me a report off,

250bhp and 270 toque.I found i had a crack in my bov pipe which was pissing out air when reving it,could this have been the problem?? or what else could i check??Boost gauge reads 10 PSI.I have a k&n induction kit and 4inch straight through single exit exhaust.If anyone can help cheers.

Is that at the crank (corrected) or at the wheels ?

Is that at the crank (corrected) or at the wheels ?

Thats from the crank.

the stock gauge is way off usually and should only be a guide , fit an after market boost gauge and check the actual boost and see if you can get a boost leak done.

 

try a search on boost leak checks , if not it could be a number of things , hope its not internals

 

good luck

 

Steve