hello everybody,

i need some help...

i have a t3 turbo .48 .67 on a d14a4 engine.

i start see boost at 3200-3400 rpm. (6 psi) but sometimes after 5000rpm the boost peaks to 10psi.

is there any problam there?

no boost controller or nothing that kind, i have a vac line from the internal WG to the nipple on the compressor housing.

my "management" is a safc with 450 dsm's.

please help....

 

yup thats problem! your wg cant keep up with your turbo(in your case) when you boost only 6psi

 

thats called boost creep.

 

how do i fix that?

 

Look into getting an external wastegate

 

or port the one you have now