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06-09-2016, 09:01 PM
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#1 |
 Drives: Yaris 2007 Join Date: Jun 2016
Location: Rouyn-Noranda ( Québec)
Posts: 9
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blitz supercharge gas pump modification
does anybody have the instructions for the gas pump mod after the installation of a blitz on a yaris 07? I have it but in japanese...
thanks! 
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06-09-2016, 09:35 PM
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#2 |
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2ZR swap. DO IT! Ask how!
Drives: 09 Meteoric Metallic HB Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
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The fuel pressure regulator mod?? I don't think the North American Yaris needs it...
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06-09-2016, 09:41 PM
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#3 |
 ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Anytime you have boost it is best to increase the fuel pressure by one psi per psi of boost to counteract the plenum pressure. The stock fuel pressure regulator can be modified to increase the fuel pressure by up to about 10 psi (beyond that you would need a more hefty fuel pump). You can do so by further crimping the spring end of the FPR, but you need a method of measuring the pressure increase as you adjust it.
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