listy Posted September 20, 2013 Share Posted September 20, 2013 You know what my mum used to say? If you can't say anything nice, don't say anything at all. Quote Link to comment Share on other sites More sharing options...
Justin Bieber Posted September 20, 2013 Share Posted September 20, 2013 Yes it is a version of it, the article mellonhead linked to is a version of it, I am only asking the question, piping into turbo 1 obviously works as you say many have it this way , my question is it the best way, that was all. From the website "mellonhead" quoted, off the page linked to the installation of the boost controller that he posted, a bit about how the sequential system works: 'The only way for the ECU to enforce boost control for the whole system now is via the WGV of turbo#1.' Basically the number 2 turbo wastegate isn't a true wastegate, it dumps excess pressure back into the system rather than venting it, the number 1 wastegate is the only method of boost control there is, hence needed a restrictor ring to build up backpressure to slow the turbos down for bpu, if you ran an unrestricted exhaust then you just blow the number 1 wastegate wide open and still overboost as its trying to vent pressure from two turbos when it was only designed to control 1..... at least this is my understanding of it, hopefully Ian C will come along and correct me if im wrong! Quote Link to comment Share on other sites More sharing options...
girth45 Posted September 20, 2013 Author Share Posted September 20, 2013 Thats what I was after , a good answer and explanation as to why we plumb into turbo 1. Many thanks. Quote Link to comment Share on other sites More sharing options...
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