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K-jet steel fuel injector pipes

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29 Jun 2020 14:17 #251002 by Racediagnostics
K-jet steel fuel injector pipes was created by Racediagnostics
I was planning to refurbish the hard fuel lines on my spare 116.984 K-jet fuel system and refit them to my 117.985 engine, however I just checked epc and although the fuel distributor and WUR have the same part numbers, all of the steel fuel lines have different part numbers.

Does anyone know if they are different lengths or if they are interchangeable?

Cheers
Jim

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1979 450SL - 2002 XK8 4.2

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29 Jun 2020 15:33 #251007 by Dr-DJet
Replied by Dr-DJet on topic K-jet steel fuel injector pipes
Hi Jim,

well both engines (M116 and M117 EU) differ in WUR still. But that has no influence on steel injection pipes. I guess - meaning I am not 100% sure - that there is a difference due to the slightly higher block of the 450 engine block. That would make M117 pipes a bit longer.

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29 Jun 2020 16:00 #251010 by Racediagnostics
Replied by Racediagnostics on topic K-jet steel fuel injector pipes
Hi Volker, have a look at these epc screen captures, it seems to suggest the same WUR is used on the 3.5 and 4.5 engines.

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I will go and try out a few of the fuel lines to see if they will fit.

Cheers
Jim

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29 Jun 2020 16:09 #251012 by Dr-DJet
Replied by Dr-DJet on topic K-jet steel fuel injector pipes
Hi Jim,

my mistake I had selected the 450 SL US for comparison. But of course in the UK you have the European engine.

Viele Schraubergrüße - best regards, Volker, Admin und Betreiber dieser Webseite
Fast alles zu Zündung und Jetronic auf jetronic.org

Workshop Hzg/Klima 13.4 (ER), D-Jetronic 8.6. (F) & 20.7. (ER), K-Jetronic 29.6. (ER) & 31.8. (F)

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29 Jun 2020 18:35 #251023 by Racediagnostics
Replied by Racediagnostics on topic K-jet steel fuel injector pipes
I removed the cold start injector line as well as the lines to 5,6 and 7.

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Then compared them to the lines from the 350 engine. There were some differences.

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Then tried to fit the 350 lines to the engine.

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Two lines fitted easily and two did not.

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With some further bending it may have been possible to get them to fit but as it is easy to cross thread the lines going into the fuel distributor I decided not to try.

As a result I will put off the plating of the 450 lines until the car is off the road next winter.

I will continue to plate the 350 fuel lines if there is any market for them, I am not sure there is any market though as I seldom see them for sale.

Cheers
Jim

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