flyby Posted April 11, 2008 Share Posted April 11, 2008 What is the max pressure a set of Uk turbo can doo. It seams like mine only can deliver 1 bar whit a decat. Quote Link to comment Share on other sites More sharing options...
michael Posted April 11, 2008 Share Posted April 11, 2008 Max pressure or max pressure before it becomes pointless? 1.5 bar is possible, maybe more, 1.25 is about as high as you should go though, beyond that you just generate heat and no extra power. Double decat? Are you using a boost controller? Quote Link to comment Share on other sites More sharing options...
Guigsy Posted April 11, 2008 Share Posted April 11, 2008 mine make 1.2 - 1.3 without a boost controller. Quote Link to comment Share on other sites More sharing options...
flyby Posted April 11, 2008 Author Share Posted April 11, 2008 Yes double decat and greddy boost controller. My set up is like a paralle mode the true twin turbo.¨ http://mkivsupra.net/vbb/attachment.php?attachmentid=73816&d=1207848028 Quote Link to comment Share on other sites More sharing options...
michael Posted April 11, 2008 Share Posted April 11, 2008 mine make 1.2 - 1.3 without a boost controller. On a UK? That's quite unusual. Quote Link to comment Share on other sites More sharing options...
flyby Posted April 11, 2008 Author Share Posted April 11, 2008 Yes a UK Quote Link to comment Share on other sites More sharing options...
flyby Posted April 11, 2008 Author Share Posted April 11, 2008 I think the some one sold the previos owner some jspec turboes. Quote Link to comment Share on other sites More sharing options...
Jim_1979 Posted April 11, 2008 Share Posted April 11, 2008 My Jap car has UK turbos. High setting is currently 1.15bar... so can I turn it up a little to 1.2, or 1.3? Quote Link to comment Share on other sites More sharing options...
Homer Posted April 11, 2008 Share Posted April 11, 2008 Either you have a wastegate problem or have a boost controller/bleed valve fitted somewhere. The UK (export spec) shouldn't make more than 0.8 bar boost with just a decat. Quote Link to comment Share on other sites More sharing options...
Homer Posted April 11, 2008 Share Posted April 11, 2008 My Jap car has UK turbos. High setting is currently 1.15bar... so can I turn it up a little to 1.2, or 1.3? No, leave it where it is to be safe. It still has the jspec ECU and injectors so fueling will be a major concern above 1.15bar Quote Link to comment Share on other sites More sharing options...
flyby Posted April 11, 2008 Author Share Posted April 11, 2008 Iv installe a brand new greddy boost controller, and that is the only thing who has connection to the two actuators Quote Link to comment Share on other sites More sharing options...
Homer Posted April 11, 2008 Share Posted April 11, 2008 If you have a boost controller then that would explain the extra boost. It is not a case of what the turbo's can take (UK and jpsec are more or less the same), fuel supply and map is the issue here. UK turbo's on a jspec car will be detrimental to the performance as the ECU isn't mapped for them. Read here: bpu Quote Link to comment Share on other sites More sharing options...
Guest RHDSupra203 Posted April 11, 2008 Share Posted April 11, 2008 bar hmmm what's the conversion from psi to bar. i'm a yankee so i don't know what a "bar" is in psi Quote Link to comment Share on other sites More sharing options...
Homer Posted April 11, 2008 Share Posted April 11, 2008 bar hmmm what's the conversion from psi to bar. i'm a yankee so i don't know what a "bar" is in psi http://www.onlineconversion.com/pressure.htm 1psi = 0.0689 bar 1bar = 14.504 psi Quote Link to comment Share on other sites More sharing options...
Nic Posted April 12, 2008 Share Posted April 12, 2008 mine make 1.2 - 1.3 without a boost controller. UK Spec? Quote Link to comment Share on other sites More sharing options...
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