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#1
06-29-2006, 06:29 PM
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SVO fuel line: Has anyone tried 1/2" PEX?
Just wondering if anyone has tried using 1/2 inch PEX tubing for an SVO fuel line. The stuff tubing seems to be very flexible and strong.
Thanks for your advice. 
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Springsman  Colorado Springs, CO
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#2
06-29-2006, 06:53 PM
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Yes, although it can melt and leak in HIH applications.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#3
07-06-2006, 04:35 PM
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PEX for SVO fuel line HOH
Was the PEX melting in contact with the engine, the heat of the coolant, or something else?
I am thinking of using 1/2 PEX as fuel line in HOH setup. My idea is to have 1/2 pex for SVO and 1/2 Pex for the coolant Any thoughts or ideas on this?
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Springsman Colorado Springs, CO
Last edited by springsman; 07-06-2006 at 05:07 PM.
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#4
07-06-2006, 11:03 PM
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I believe it was in contact with coolant in a HIH setup. It will still become much more flexible when warmed and may kink.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#5
07-07-2006, 01:56 PM
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PEX question
Are you having any problems in your application with the PEX?
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Springsman Colorado Springs, CO
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#6
07-07-2006, 02:38 PM
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HEre is a picture of my tank showing a 1/4" PEX as fuel hose in a 3/4" coolant hose.
This system has been working for 2 years without a problem and never experienced leaks or bending to the point of breaking the PEX. It is connected to a 3/8" regular fuel hose as soon as it gets to the engine bay. So I have been well served by the use of PEX and still consider using it in my second version of SVO system. I must say though that thightennig of the PEX adapter is tricky because overthightenning can cut the PEX. So I suggest it is best you install it loose and run some hot fuel in the system and slowly tighten where leaks occur. Bye,
__________________
BigBen '98 E300 Turbodiesel 244 000km RIP '92 300D 2,5 Turbo 632 859,4km due to engine failure
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#7
07-08-2006, 01:18 AM
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Quote:
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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