j.oe Posted February 7, 2013 Share Posted February 7, 2013 I'm considering wether to upgrade my BW S366 91/80 .91 A/R by a billet comp. wheel or better to buy a new billet S372. So has anybody here an idea how much later a S372 1.10 A/R or 1.00 A/R will spool up compared to my S366. Now the S366 makes 1bar@3400. Would hate to loose 1k rpm or more in spool. Any information appreciated. Cheers Jürgen Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted February 8, 2013 Share Posted February 8, 2013 Hi Jurgen, I've never tested an S372 as yet so cant comment on the difference in spool up. Can you tell me what flywheel power you are aiming for though? Thanks Paul Quote Link to comment Share on other sites More sharing options...
j.oe Posted February 8, 2013 Author Share Posted February 8, 2013 Hi Paul Primarily there's no certain fwhp goal, however 800+ would'nt be bad too. And i know a billet upgraded S366 can do that. My head's inlets/outlets will be machined this march, whereby the stock valves will be kept. And i'll manufacture a higher flowing inlet manifold by myself + 80 mm thbdy. Therefor i'd like to add some flow capacity to my turbo as well. So the actual consideration is giving an upgrade to my S366 or better spending the money for a new and slightly bigger one (and selling mine). But i don't want to give up conspicuous low end response, i'd hate a turbo that doesn't kick in below 4500 or 5000. Cheers Jürgen Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted February 8, 2013 Share Posted February 8, 2013 I would go with the upgrade to your current turbo, I can get them done in the UK now if needed.....give me a shout if you need a price. Quote Link to comment Share on other sites More sharing options...
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