what bleed valve

[scottman]

Hi guys i am picking my new gts-t skyline r33 up this week and i wanta b able to turn the Boost DOWN yes i said it down

me being still on my L's and only having a non turbo silvia b4 this it might take me a while to get used to the turbo

thinking of running like 5 psi

car has in it

Pod Full

3"+ exhaust

Intercooler Front month but it isn't a 600x100x400 or whatever smaller 0ne

turbosmart stage 3 bov

it might have a boost controler in it i havn't looked the dealer didn't even know it had a cooler

what can i get to turn the boost down and up for cheap that won't screw up i don't know much about controling boost

Pleas help brands and names

[paulr33]

if it doesnt have a boost controller then you cant turn it down, well below the stock actuator level anyway which is about 5psi. use your foot to control the power then you wont need to turn the boost down. you can disable the dual stage boost so its stuck in 5psi mode by disconnecting one of the wires to the stock solenoid. if it has a bleed valve installed it will be on the right side of the engine, there will be a 5mm tube running from the turbo area to the manifold if it has coloured T pee with a metal "tap" thing its a bleed vale. the stock value looks like this

[Cubes]

With the R32 for example the only way you can turn down boost below stock is to use the actuator from either an Rb25det or Vg30det turbo as those turbo's run ~5-7psi.

Depending on the turbo/actuator setup you could drill the holes to loosen up the wastegate, this will lower your boost levels.

Use your foot to control the boost.

Bleed valves bleed boost away from the actuator essentially tricking the actuator in seeing 10psi instead of the real 15psi your engine is seeing.

So the actuator opens at what it thinks is 10psi but really is 15psi as some of the boost is being bleeding off.

Hope that makes sense.

[scottman]

goodo thanks