Parry_10 Posted July 23, 2011 Share Posted July 23, 2011 (edited) I took my tt supra bpu into a tuning garage couple months ago to sort a boost leak and he also changed the hoses that go to this vsv so it now bypasses that vsv i guess.. does anyone know if this is safe? its made me get just under 1 bar from my first turbo now which is good but not if its going to do damage.... Edited July 23, 2011 by Parry_10 (see edit history) Quote Link to comment Share on other sites More sharing options...
Parry_10 Posted July 23, 2011 Author Share Posted July 23, 2011 bump Quote Link to comment Share on other sites More sharing options...
CanisLupus Posted July 23, 2011 Share Posted July 23, 2011 http://www.max-boost.co.uk/max-boost/supra/boosting_the_beast.htm Have a read But in your case this sentence is the one that matters: "Looking at these locations on the vacuum diagram we see why this is dangerous. The 'mod' totally bypasses the VSV, so any pulsing by the ECU is in vain." In fact there is no Pre Spool and the second turbo is kicked in which isn't the best. The passage is about 1/3 from the top. Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted July 23, 2011 Share Posted July 23, 2011 Which 'tuning garage' was it and do they know the JZ sequential system? Seems gash to bypass a VSV without your say so and without knowing why. Think its the pre spool VSV but not 100% Quote Link to comment Share on other sites More sharing options...
CanisLupus Posted July 23, 2011 Share Posted July 23, 2011 Which 'tuning garage' was it and do they know the JZ sequential system? Seems gash to bypass a VSV without your say so and without knowing why. Think its the pre spool VSV but not 100% Yep it is, no pre spool at all ^^ Quote Link to comment Share on other sites More sharing options...
Parry_10 Posted July 24, 2011 Author Share Posted July 24, 2011 cheers very helpful information, spoke to dude about it as well. I just assumed it was ok otherwise he wouldnt of done it but I guess I was wrong. Hopefully I havent done any damage to the turbos ill change the pipes back asap. The garage used to be called tuning japenese in aldershot but its called something else now Quote Link to comment Share on other sites More sharing options...
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