one way valves

[mc]

i've turbo'd the vg30 in my 200sxSE[REMOTE set up]....i was curious if anyone who has done other turbo conversion had to add one way valves to keep the boost pressure out of certain area's.

[Tony D]

common to keep vacuum systems segregated from boost.

Your setup should be easy enough, find the FSM, and then copy the checkvalve placement for the Turbo Version 200SX!

I mean, you already got a diagram from the factory engineers, what more could you ask for?

 

For me and my 260Z with factory Air, the standard check valves worked fine, and the larger vacuum reservoir held more than enough vacuum to sustain heater control position under periods of extended boost. If you get paranoid about boost and vacuum, you can always add the vacuum pump and supplementary reservior from an 82/83ZXT if you can find a place under the hood for it!