sean2kuk Posted June 25, 2014 Share Posted June 25, 2014 Hi..im currently gathering the parts I need for bpu..... whats the preferred boost controller and why? what functions should I be looking for when buying? the greddy profec looks nice with the small digital screen but its £250!! Link to comment Share on other sites More sharing options...
supra_ufo Posted June 25, 2014 Share Posted June 25, 2014 sean this one is most common one for sale here for £180 http://www.mkivsupra.net/vbb/showthread.php?308221-Greddy-Profec-B-Spec-2-boost-controller-brand-new I would have this but I wanted a black one Link to comment Share on other sites More sharing options...
sean2kuk Posted June 26, 2014 Author Share Posted June 26, 2014 ?? Link to comment Share on other sites More sharing options...
TJsTT Posted June 26, 2014 Share Posted June 26, 2014 The greddy profec is the newest one of that line, I'm in the same boat as you and that's the one I'm going for. Link to comment Share on other sites More sharing options...
Ric Posted June 26, 2014 Share Posted June 26, 2014 I dont know why people use a boost controller tbh? With the right restrictor ring etc you see 1.2bar all day and save 200+ £ Link to comment Share on other sites More sharing options...
TJsTT Posted June 26, 2014 Share Posted June 26, 2014 My car won't go up past 0.9-1.0b without a boost controller. Link to comment Share on other sites More sharing options...
Ric Posted June 26, 2014 Share Posted June 26, 2014 My car won't go up past 0.9-1.0b without a boost controller. Fit a wider RR then Link to comment Share on other sites More sharing options...
TJsTT Posted June 26, 2014 Share Posted June 26, 2014 It's got a 1.2b restrictor ring. Link to comment Share on other sites More sharing options...
Nic Posted June 26, 2014 Share Posted June 26, 2014 I dont know why people use a boost controller tbh? With the right restrictor ring etc you see 1.2bar all day and save 200+ £ A good quality electronic boost controller can make a significant difference to how quickly the turbos spool up, it can also help maximise boost levels through all the gears. Link to comment Share on other sites More sharing options...
Nic Posted June 26, 2014 Share Posted June 26, 2014 (edited) It's got a 1.2b restrictor ring. There's not really such thing as a 1.2bar restrictor ring, it's not an exact science, the amount of boost a particular car makes depends on a number of factors, exhaust type, decat size, IC, ambient temp, etc. You could just file out the hole in the restrictor ring a little which will make it less restrictive and should raise the boost, although come the winter when the air is colder/denser you'll find it boosts even higher. I'd personally recommend fitting a good quality electronic boost controller as this will give you a lot better control of the boost and how the wastegate operates. Here's a post I made a while back which may help. http://www.mkivsupra.net/vbb/showthread.php?245861-boost-controller-questions&p=3109271&viewfull=1#post3109271 Edited June 26, 2014 by Nic (see edit history) Link to comment Share on other sites More sharing options...
Guest Jason1 Posted June 26, 2014 Share Posted June 26, 2014 I use a AVCR Took me a while to learn how to set it up But worth it, spools earlier and set your boost and it holds rock steady Also learns and adjusts itself Good bit of kit. Link to comment Share on other sites More sharing options...
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