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I've just replaced the fuel pump(Bosch),fuel filter, and rear fuel lines on a '72 280sel 4.5. I'm now doing injectors. What should the pressure rating be for the under hood fuel lines?
 

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73 280SE 4.5, 71 300SEL, 03 BMW Z4, 72 Fiat 850, 80 Triumph TR7, 85 Porsche 911
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Take a look at the online resources portion of the forum - tons of stuff posted there for your fuel system...
 

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1975 450SL
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2,440 Posts
D-Jet system should have 29 Lbs for fuel pressure on the fuel rail. Some people have adjusted it up a couple of pounds to reduce vapor lock, but that often requires adjusting a lot of other stuff.

Scott
 
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