I got a nipple on the turbo piping right after the turbo and before the intercooler, should i hook the vacuum from the internal wastegate to a manual boost controller then to the nipple on the turbo piping? or do i hook it up to the intake manifold?
I'm wondering how to hook it up because i only have 2 vacuum ports on my b20 intake manifold one is for the blow off valve and the other is for the boost gauge which is T in with the fuel pressure regulator vacuum hose.
So how do i go about hooking it up?

 

you got it right the first time. wastegate=>boost controller=>turbo nipple , good luck with everything!!!

 

x2 and to be clear nipple on the turbo piping is NOT vacuum. its a pressure source only.

 

I wouldn't "T" anything off the fuel pressure regulator. Personal preference.

 

why do some people say put it on a vacuum source and some say on the turbo?

Does this really make a difference? And has anyone tried both locations and had different results?

 

The directions from Tial specifically state to put the line on the bottom of the wastegate to a PRESSURE source, NOT a vacuum source. Does it make a difference in the performance of the wastegate? Im not 100% sure. Its been stated however that putting vac to the diaphram will eventually lead to failure.

 

i personally like to put the boost reference AFTER the intercooler or even off the intake manifold. put it after the the intercooler because of the pressure drop, or on the intake manifold because...thats what your MAP is going to be reading.