boost controller help
my greddy kit (yes...kit...it was on the car when i got it) has an internal wastegate
what do i need to do for controlling my boost? i like manual controllers (cheaper) but have no clue on installing them jman |
Re:boost controller help
a boost controller will just go in line with the vacuum line that goes from your vacuum/boost source to the wg actuator. very simple and straight forward.
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Re:boost controller help
tell me if im wrong here....i know you will
lol the controller will not go higher than where the actuator is set right? so set the internal wg high and then control in between with the controller? jman |
Re:boost controller help
you dont set a internal wastegate its already set ;) And you cant go any lower than what the wastegate is set at so say your wastegate is set to produce 7 psi you cant go any lower than 7psi only higher
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Re:boost controller help
then what is this adjustable arm on the wg for?
my guage says im at 9-10psi now hmmmm jman |
Re:boost controller help
yeah, sounds like you just got it a little backwards, you can only raise boost with a boost controller (and of course lower back to what it was set at before the boost controller, but no lower).
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Re:boost controller help
maybe i need to put the arm back to where it was stock?
say jman |
Re:boost controller help
Originally Posted by jman30513
maybe i need to put the arm back to where it was stock?
say jman |
Re:boost controller help
im trying to lower it from the 10psi and im gonna get the dual stage XS controller
so ive got to get it lower and then ill run 7psi and then hit the switch for 10psi thanks....tell me what i need to do jman |
Re:boost controller help
ok.. i'm feeling kinda helpful today so I'm going to give a nice explaination of how this all works.
- The WG (Waste gate) opens a valve to bleed of exhaust gases from the tubine so it does not build as much boost - The WG is a pressure valve. When 'x' psi is pushed against the WG diaphram it will compress. The diaphram is attached to the WG arm. The other end of the arm is attached to a valve in the exhaust stream before the turbine. - The WG obtains this pressure from the compressor side of the turbo via a vacuum tube. - A manual boost controller simply bleeds some of the boost pressure from that vacuum line so the WG diaphram doesnt see the pressure. Example: Waste gate set to 8psi. as the turbo builds pressure the manual boost controller is bleeding off a little pressure. so by the time the turbo actually builds 8psi the boost controller is bleeding off say (as an example) 3psi. so the WG diaphram only see's 5psi. this keeps the WG closed and the turbo builds more pressure. when the turbo reaches 11psi the boost controller would have bled off 3psi and the WG would see 8psi thus opening. Hope that helps.. these #'s are all just used for example purposes. |
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