montezumola Posted July 12, 2006 Share Posted July 12, 2006 Hi guys, Previous to the Blitz Dual SBC Controller install my boost pressure has been rock steady at 1.0-1.05Bar. Had the unit installed by a Tuning company near to my workplace and they followed the instructions as printed on the MKiv.com site (http://www.mkiv.com/techarticles/blitz_dsbc/index.html) Well, thought I'd take the car out and try some settings ... With the controller set to OFF I did a couple of WOT sprints and the unit was registering peak boost of between 1.28 - 1.42 Bar! (I then looked at the boost gauge and it looked to be in the 1.3 bar zone, so the readings are accurate) Scramble boost is set to OFF. It should only be hitting 1Bar! :-( Any ideas? I've noticed alot of peeps have this controller, surely somebody out there has experienced this! Thanks in advance ... Link to comment Share on other sites More sharing options...
michael Posted July 12, 2006 Share Posted July 12, 2006 What's the gain set at? (These have gain don't they?) Link to comment Share on other sites More sharing options...
montezumola Posted July 12, 2006 Author Share Posted July 12, 2006 From what I can gather the gain is only set when one of the presets are selected. OFF effectively means 'stock', although mine has been boosting to 1Bar since getting a new CW SMIC (last month). Hapless and confused .... Link to comment Share on other sites More sharing options...
michael Posted July 12, 2006 Share Posted July 12, 2006 Do you have a restrictor ring? Link to comment Share on other sites More sharing options...
montezumola Posted July 12, 2006 Author Share Posted July 12, 2006 Yep, a CW 1.2bar ring - but since the new SMIC was put on boost has dropped to 1.0Bar, hence the boost controller. Link to comment Share on other sites More sharing options...
Jake Posted July 12, 2006 Share Posted July 12, 2006 ... edit Nevermind, I see you already answered my question in the first post - sorry Link to comment Share on other sites More sharing options...
letmeshowyou Posted July 12, 2006 Share Posted July 12, 2006 have you checked they connected all of the pipework securely? (and blocked off the bottom of the wastegate actuator properly too?) Link to comment Share on other sites More sharing options...
montezumola Posted July 13, 2006 Author Share Posted July 13, 2006 Hiya mate - I've looked at the bottom of the wastegate actuator and its securely closed. Basically they followed everything said in the mkiv.com instructions - most confusing? Link to comment Share on other sites More sharing options...
letmeshowyou Posted July 13, 2006 Share Posted July 13, 2006 In which case my other suspects would be the pipes to and from the solenoid and where they join the car... Link to comment Share on other sites More sharing options...
montezumola Posted July 13, 2006 Author Share Posted July 13, 2006 Okay mate - I'll get some piccies done and post them up Not sure how clear they're gonna be tho' ... Link to comment Share on other sites More sharing options...
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