Chris Green Posted June 13, 2013 Share Posted June 13, 2013 (edited) As most of you know, I'm working on ITB's at the moment. I will be test fitting these this weekend. I have a 7 port vacuum manifold to run all lines and sensors etc. What purpose do the two lines from the TB to the PAS rack serve? Can these be blanked off or bridged? Any info would be a great help! Cheers Edited June 13, 2013 by chrisgreen1993 Quote Link to post Share on other sites
MARC MOSS Posted June 13, 2013 Share Posted June 13, 2013 Yea they can be blanked off, I broke a pipe off the rack on my first engine change and just left them off, I think it's for lowering the power steering effectiveness as higher speeds Quote Link to post Share on other sites
Chris Green Posted June 13, 2013 Author Share Posted June 13, 2013 Yea they can be blanked off, I broke a pipe off the rack on my first engine change and just left them off, I think it's for lowering the power steering effectiveness as higher speeds Excellent mate, thanks! Would you recommend bridging them or blacking them individually? Quote Link to post Share on other sites
MARC MOSS Posted June 13, 2013 Share Posted June 13, 2013 I just left them mate but it's up to u Quote Link to post Share on other sites
Chris Green Posted June 13, 2013 Author Share Posted June 13, 2013 no worries, cheers Quote Link to post Share on other sites
daniel_g Posted June 13, 2013 Share Posted June 13, 2013 You can run a U between the two of them. I believe the actual purpose of the vac is to raise the idle when the engine is under load from the PAS. Quote Link to post Share on other sites
Chris Green Posted June 13, 2013 Author Share Posted June 13, 2013 Ah, that explains alot, when turning the wheel when stationary. Should it make any difference when driving? Quote Link to post Share on other sites
MARC MOSS Posted June 13, 2013 Share Posted June 13, 2013 You can run a U between the two of them. I believe the actual purpose of the vac is to raise the idle when the engine is under load from the PAS.That makes sense Quote Link to post Share on other sites
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