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Beitrag: [QUOTE="ASH, post: 575771, member: 8563"] Hi Guys° Sorry for the late reply ! 1) We tested the LET injectors up th 10bar fuel pressure on a test bench , after this pressure the magnatic coil looses power even at low power supply voltage <11 V , and couldn open accurately the valve ! So in my eyes its only important , that the supply voltage should never come below 12V in the car , in the case of a broken generator , drive slowly ! 2) Please replace the old GM rubber hoses to new ones with 20bar pressure range , thats better , even the original fuel pressure is sometimes too much for the OE parts ! 3) The HEGO standart circon-oxyd-lambdasensor shows very clear the range between lambda 1.00 and 0.8 , its only very temperatur dependend , but at full load and 800°C exhaust temp . its working fine ! In the Phase+ Kits im abel to detect exactly the point of no return , where i shut down the boost , and belive me , we tested much , its working ! the only good fuel pump for a higher fuel pressure is the universal replacement bosch pump 0580 xxx 909 ! It can serve 225L/min at 5Bar system pressure !!!!! So even at 8 bar its over 190L/min , thats enough for a good flow rate ! regards ASH [/QUOTE]

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