[GMCnet] New Fuel Lines [message #127905] |
Sun, 29 May 2011 15:35 |
Ken Henderson
Messages: 8726 Registered: March 2004 Location: Americus, GA
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Following on the tale of Stick's FD & Tom's fuel leaks:
Both Stick's coach with unknown age lines, and mine with 12+ year old
30R7 (or maybe worse) lines, need all the fuel hoses replaced ASAP.
We learned yesterday that Stick's persistent leak when filling the
tanks is from the "burp hose" just below the fuel filler -- it's a
steel reinforced hose, probably hydraulic, that should never have been
installed -- many years ago. Just gushes gas when it burps.
While hose replacement has been discussed here almost as often as
tires, I'm going to broach it again:
It's my intention to use only Goodyear 30R9 hoses.
Short sections for coupling will be mounted, with spring clamps,
between the tank-top fittings and new steel tubes extending past the
tanks' edges.
Beyond the tanks, I expect to use steel lines everywhere possible,
again with short couplings of 30R9. For the supply lines, I've
already got those in place on my coach. We'll have to fabricate lines
for Stick's.
The vent lines will also be converted to steel where feasible, with
separate "burp lines" to near the filler neck connection.
I not only trust steel lines more than rubber, especially in todays
ethanol world, but also expect the steel line to cost a fraction of
what 30R9 does (25'x3/8" 30R9 for $181.97).
The question is, has anyone maintained a list of the steel lines and
hose couplings needed for an installation like I've described? Either
for 23' or 26' will be a big help.
TIA,
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI+ & EBL
www.gmcwipersetc.com
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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