As stated before, there is important that the cylinders are consistent accross the board. I do not know what the specs are for the 500E, but I imagine 190 psi would not be the correct number, it seems way too high.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record