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#1
03-02-2010, 04:57 PM
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Turbo Pressures on a 606 w210
Hello,
I want to know if my turbo is working properly. I'll be hooking up a pressure gauge soon to map it out. Does anyone know what the pressure should be at for a given rpm? I couldn't find a post with any good reference info. Who's good at rebuilding factory turbos? Thanks, Jay
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1998 E300 Turbodiesel 190,000 Elsbett Conversion (Sold) 1992 300D over 251,000 Greasecar Conversion Over 70 K of veggie miles total. Follow link below to see the conversions and instructions. http://www.geocities.com/jaycimini/MainNavigationPage.html 
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#2
03-02-2010, 05:52 PM
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What are your symptoms? No or little boost can also mean wastegate issues.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#3
03-02-2010, 07:18 PM
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I know mine tops out at 32 psi absolute. The ECU is always adjusting the pressure so it's not a predictable curve like a mechanical wastegate.
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-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250
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#4
03-03-2010, 11:06 AM
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I added a water/meth kit and is set to turn on at 1 psi boost pressure. There is probably some error in the water/meth kit switch but I have to be up above 2200 rpm with my foot in the pedal a bit for it to go on. I'll be adding the boost guage soon so I just wanted some reference data for once it's in. If I'm on the highway at 2500 or 3000 rpm shouldn't I be getting some boost?
How do I check to see the waste gate is working properly? I have't messed with one before. Is there a way to clean it if it's stuck open? Thanks, Jay
__________________
1998 E300 Turbodiesel 190,000 Elsbett Conversion (Sold) 1992 300D over 251,000 Greasecar Conversion Over 70 K of veggie miles total. Follow link below to see the conversions and instructions. http://www.geocities.com/jaycimini/MainNavigationPage.html
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#5
03-03-2010, 07:42 PM
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The computer adjusts boost all the time. If I remember correctly, the wastegate is fully closed at idle and full throttle.
When the throttle is lifted, the gate opens and when the vehicle reaches a steady speed, the gate opens so you may not see boost at highway speed and for a second when the throttle is pressed.
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-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250
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Linear Mode
