hey guys i just instaled my new turbo kit but i have a slightly problem i have it set a 4lbs and 1st and 2nd gear are ok but when i hit 3rd my boost gauge reads 6lbs

any esplanation to why and how i can fix it

 

more info on set up? could be creeping...cant really tell since you didnt post up any info about the turbo kit...

 

what turbo manifold?
what brand of wastegate?

 

its a complete greddy turbo kit (tdo4h) bov its 1st gen dsm other than that everithing is greddy from manifold to intrercooler and blue box