Anyone here ever tryd it?
Iv done it and noticed a small improvement.
anything else that will make it even more noticable?

 

I think you'll notice when your turbo goes boom

 

makes drive pressure go up, it does hit higher boost but pressure ratio will be off and drive pressure will only get higher with tuning and turbo will go eventually from over spinning

 

Yep. 40psi max. Stock turbo most efficient power at 28-30psi. Anything over 30 and your out of the compressor map.

 

So is this something not worth noticing the diffrences?
Should I unplug the Line?

 

any stock duramax turbo wont last very long at 40psi. the lb7 turbo falls off the map at 32psi and anything beyond that its very unefficient

 

no leave it as it is

 

So I should return it the way it was normally?(Gate not Blocked)

 

yes

 

There are several trucks out there running non wastegated turbos. It can be done. Its all in the tuning. You wont make any more power at 38 than 32. 32 is just a number you read. Each truck is different. Mine maxes at 30psi, as my tuning will prove it. Others max at 28, some at 33. Some stock turbos wont make more than 500-520hp. While others support 570-595hp. This has been proven.