Noddle Posted May 8, 2008 Share Posted May 8, 2008 Hi, I have a question about where the wastegate actuator plumbing is taken from, The picture here has 2 connections, A and B, I have seen turbos with either A or B, what is the difference from taken the "pressure" from A over B, Why is A and B joined at C ?, what does this do ? Nigel Quote Link to comment Share on other sites More sharing options...
djz Posted May 9, 2008 Share Posted May 9, 2008 From what I can remember, running it off ports a & b is supposed to provide a more accurate boost source, the pressures at port a and b port will be different to each other by a little bit, but to be honest I don't think it really matters, I normally just run it off port a or off the inlet manifold. Quote Link to comment Share on other sites More sharing options...
Six_Shooter Posted May 10, 2008 Share Posted May 10, 2008 I don't think I've ever seen them joined together. I've used either "A" or the intake manifold to reference boost pressure. Sourcing at the turbo is said to protect the turbo from overspool, due to reacting quicker and using what is at the compressor nozzle, since this is usually a little higher in pressure than what is at the manifold. Quote Link to comment Share on other sites More sharing options...
hughdogz Posted May 10, 2008 Share Posted May 10, 2008 That's how the stock L28ET is set up. Quote Link to comment Share on other sites More sharing options...
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