So yesterday i opended my 1987 300SDL injcetor for a preesure test, i opened one and looked at it and it's says "AUDI/VW PSI 130" ( i pulled out 2 VW/AUDI INJECTOR) and the others says "BOSCH 135" (4 Bosch injector) Do i have to be concern about the pressure diffrences the car runs fine... and about the rust, i found it in the last injcetor slot it was rusted around the area and it begin to rust the injector in there should i return this engine, or is it fine....

THX

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Current Garage
2008 Mercedes GL320 CDI 188k mi Repair/Work in progress
1994 S350 160k mi Garage Queen & prepping for repairs
2005 E320 CDI 203k mi Healthy & Daily Driver
1994 S350 357k mi Retried as parts car
1984 300TD 214k mi Blown OM617 Poss OM603 Swap??

Sold
1987 300SDL 200K+
1994 S320 181K mi
2008 E320 Bluetec 127k mi
1999 S420 130K mi
1980 240D 360k mi
15+ Others that has come, stay and gone

GONE, BUT NOT FORGOTTEN
1995 E320 SE 220k mi
1984 300SD 350k mi

The injector body is just a container. It really does not matter at all what it says on the outside, its what nozzle is inside and what pop pressure it has been set to that matters.