dr_jekyll Posted May 12, 2010 Share Posted May 12, 2010 http://www.gadtek.com/supra/2009/compound2.jpg as title why would the output of the larger turbo be directed into the intake of the smaller turbo? Quote Link to comment Share on other sites More sharing options...
JustGav Posted May 12, 2010 Share Posted May 12, 2010 Compound charging.... smaller turbo will spool up at the lower end.... Although given that non of the pipes are connected, I suspsect someone got bored and just put some pipes in... Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted May 12, 2010 Author Share Posted May 12, 2010 i thaught that, but that looks like a verry purpose made pipe. and t thaught compuond charging would be the small fast spooling turbo feeding the bigger turbo? Quote Link to comment Share on other sites More sharing options...
johnny g Posted May 12, 2010 Share Posted May 12, 2010 http://www.boostlogic.com/xcart/image.php?type=P&id=160 Looks like that is possibly a development photo? Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted May 12, 2010 Author Share Posted May 12, 2010 http://www.boostlogic.com/xcart/image.php?type=P&id=160 Looks like that is possibly a development photo? i think thats a different car Quote Link to comment Share on other sites More sharing options...
johnny g Posted May 12, 2010 Share Posted May 12, 2010 It is a different car, but the principle of the air flow doesn't look too different, in the first post, check the disconnected air filter in the bottom left... Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted May 12, 2010 Author Share Posted May 12, 2010 yea i see what you mean. but my q1uestion is still why have the largewr turbo feeding the smaller turbo and not the other way around, i thaught the idea of compound charging was for the big boost with minimal lag, eg the small turbo spools the large turbo quickly? Quote Link to comment Share on other sites More sharing options...
hdnixon Posted May 12, 2010 Share Posted May 12, 2010 Your right. Should be small turbo feeding the larger turbo. If it was the other way around (like the pic) the larger turbo would take all the energy/pressure out of the exhaust gases/exhaust pulses even b4 it reaches the smaller turbo thus stopping it producing early boost correctly Quote Link to comment Share on other sites More sharing options...
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