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  #1  
Old 04-12-2009, 09:11 PM
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Join Date: Jul 2007
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fuel injectors

Today I pulled my injector to see which nozzles were worn and along found that i had different injectors of different pressures, A few @ 135 bar and a few @ 115 bar. I know that on many fuel injection systems that the have fuel injectors open at the same pressure. Any advantage to playing musical fuel injectors?

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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)
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  #2  
Old 04-12-2009, 09:48 PM
ForcedInduction
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No. It changes injection timing. Ideally, all should be within 1-2 bar of each other.
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  #3  
Old 04-12-2009, 09:54 PM
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i have a set of injectors @ 135 bar that need rebuilding. though it was kinda weird and didnt make any sense at all since all fuel injection systems have the injectors open at the same pressure
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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)
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  #4  
Old 04-13-2009, 04:40 PM
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It is likely that your injectors have been rebuilt in the past. The injector bodies are the same between the non-turbo and turbo engines, it is just the pop pressure that is different. Most shops just rebuild what ever injectors they pull out of the core bin and as a result some may have the wrong pop pressure stamped on the body, but they are most likely still set correctly. I try to grind out and engrave the new pop pressure on the injector body if I have to reset the pop pressure.

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