AshR33Gtst Posted January 7, 2015 Share Posted January 7, 2015 Hello, So ive just brought my very first turbo car (R33 Gtst), im learning fast but I still need some help. so ive brought a dual stage boost-T ive hooked it up and car seems to run sweet, cant really test it till I get a boost gauge tomorrow tho. Now I know this question has been asked LOTS, but trust me ive posted on forums, and searched internet for ages but got nothing, so why not ask the experts? Now my question is: Is this hooked up correctly? Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/ Share on other sites More sharing options...
GTSBoy Posted January 7, 2015 Share Posted January 7, 2015 I'm guessing it's not hooked up right. If that T piece shown in the middle of those three bits of hose is just a plain T, and there is no restrictor involved in the line going down to the wastegate actuator, then it will do very little. A "boost T" is a controlled leak of the boost signal. There is an adjustable valve in the "T" that lets more or less of the boost signal out of the line. There must be a restrictor so that the flow (that ends up leaking out through the "boost T") through the restrictor suffers a pressure drop. The reason they are called "boost Ts" is that the valve and the restrictor are bundled up into the same body (the T) and they are installed into the boost line as if they were a T piece. The signal source and actuator being on the two connections and the other leg of the T being the hole through which the air is leaked out - hiding somewhere on/in the body of the T. Look at http://www.turbosmart.com.au/wp-content/uploads/2011/10/5483.jpeg to see how a typical one is installed. Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456468 Share on other sites More sharing options...
AshR33Gtst Posted January 7, 2015 Author Share Posted January 7, 2015 (edited) Its a dual stage boost T. I understand what you mean about needing a restrictor in the middle but how I've hooked it up seems to be the only way? Maybe I'll just buy a normal boost T and hook that up seems a lot easier. Edited January 7, 2015 by AshR33Gtst Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456481 Share on other sites More sharing options...
KiwiRS4T Posted January 7, 2015 Share Posted January 7, 2015 Your photo doesn't show what you have done with the boost T Also fiddling with the boost without a boost gauge is a recipe for disaster. Ideally your vent should run back to the bov return line Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456492 Share on other sites More sharing options...
AshR33Gtst Posted January 7, 2015 Author Share Posted January 7, 2015 The line that runs down to the T piece is from the boost controler . I'm not sure how that's ment to work. Guy I brought it off told me to do it that way? Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456500 Share on other sites More sharing options...
AshR33Gtst Posted January 7, 2015 Author Share Posted January 7, 2015 . Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456503 Share on other sites More sharing options...
GTSBoy Posted January 7, 2015 Share Posted January 7, 2015 (edited) OK, well now that we know the actual type of boost controller, 10 seconds spent on Turbosmart's site provides the following instructions http://www.turbosmartdirect.com/Product-Categories/Manual-Boost-Controllers/Dual-Stage-Boost-Controller-Blue.html#instruction Click the Instructions link on that page or click the following link direct to the file. https://system.netsuite.com/core/media/media.nl?id=177080&c=830533&h=946a342eea68c3fc2e82&_xt=.pdf&ck=lmUxAvMCAh_EXjAZ&vid=lmUxAvMCAibEXn3O&cktime=131827&addrcountry=AU&gc=clear Edited January 7, 2015 by GTSBoy Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456543 Share on other sites More sharing options...
XKLABA Posted January 7, 2015 Share Posted January 7, 2015 That's hookd up right, it's a boost "T" which means it bleeds boost pressure out of the wastegate line via the T though an electric valve, this one does so by two different size valves depending on which one is switched on A long time ago when turbos started becoming popular a mate put a single cam CA18 turbo in a canary yellow 1200 coupe, to lift the boost level he put a T in the wastegate line then ran a meter of hose off the side of the T then cut 1 inch at a time till he got the desired boost level, this worked a treat Link to comment https://www.sau.com.au/forums/topic/452410-boost-t-install-help/#findComment-7456690 Share on other sites More sharing options...
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