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seems i have a t3 hks turbo attached to my rb20det with an external wastegate, greddy boost controller and hks blow off valve, i also have 2 additional injectors attached that are controlled by a greddy rebic ii computer but that isnt working atm (damn allarm installers are hacks)

also got a 3" exhaust turbo back

anyhow it takes a very lone time for boost to come on, usually dont fell the kick till 4500rpm. you guys got any suggestions on how to make it come on sooner?

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https://www.sau.com.au/forums/topic/52543-faster-boost/
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Or if you have a bit more money, have a look at how the manifold and dump is set up, maybe redo it so it works better.

Also the wrong spring might be in the wastegate, prob less likely that one, but I've heard of it once or twice before.

Maybe a boost leak, or even vacum leak?

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