| [GMCnet] I THINK I DID IT [message #94905] |
Fri, 06 August 2010 22:45  |
Steve Phillips
Messages: 63
Registered: February 2004
Karma: 0
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Hi All
I think I solved my vapor lock problem. I took out the inter fender
wells and removed one in line gas filter.
The fenders were easy to remove and easy to put back in.I'll let you if
it cured my prob.
As usual thanks too all for the ideas :-)
Steve
78 Birch
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| Re: [GMCnet] I THINK I DID IT [message #94931 is a reply to message #94905] |
Sat, 07 August 2010 09:54  |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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I currently have my liners out as I have been working on the coach, and absent of protecting the wood above when driving in rain, I cannot think of any reason to put them back. I may make some smaller ones, and I generally won't drive in the rain, which never happens here anyway...
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: [GMCnet] I THINK I DID IT [message #94940 is a reply to message #94931] |
Sat, 07 August 2010 10:25 |
Arthur Mansfield
Messages: 290
Registered: April 2010
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I had mine liners out and had to drive in the rain and my engine started missing. So I needed to put them back in and redid my wires. I have not tried it since. WHen I got home there was a lot of water all over under the hatch so I would not run without them. I have been thinking of added vents to the liners like I have in the body.
Art & Doris
76 EL
On Aug 7, 2010, at 8:54 AM, Chris Choffat wrote:
>
>
> I currently have my liners out as I have been working on the coach, and absent of protecting the wood above when driving in rain, I cannot think of any reason to put them back. I may make some smaller ones, and I generally won't drive in the rain, which never happens here anyway...
> --
> -Chr$: Perpetual SmartAss
> 77 Ex-Kingsley 455, Power Drive, 3:21 FD, Quadra bag. The Engineer's Motorhome
> Scottsdale, AZ
>
> Photosite: Chrisc "It has Begun"
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| Re: [GMCnet] I THINK I DID IT [message #94950 is a reply to message #94931] |
Sat, 07 August 2010 12:45 |
Larry C
Messages: 1168
Registered: July 2004
Location: NE Illinois by the Illino...
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I cannot think of any reason to put them back.
_____________________________________________________-
I think you gave the reason to restore them in your message.
The wood, no matter how well treated, will succomb to rot when it gets wet.
But what about this, what if the side to the engine were cut out so you have the fender well still to protect the area the tires sling the water from the street. Would help protect against splash as well.
One of my POs has already more or less, done this exact thing, I dont know if it were for cooling, ( probably ) or for access for an engine fire ( Less probable ) but a great chunk of the side of the fender is gone. The part that follows around the tire sling area for rocks and water is protected with what remains of the wheel well. Actually, when I think of it, it isn't that bad an idea.
LarC ( Knock on the big old tree in the back yard --- have not had vapour lock yet, maybe there was a reason. However, my GMC is more or less, STOCK, no major mods like headers, manifolds etc that would contribute to heat addition under the hood. )
Gatsbys' CRUISER  08-18-04
74 GLACIER X, 260/455-APC-4 Bagg'r
Remflex Manifold gaskets
CampGrounds needed, Add yours to "PLACES" />
http://www.gmceast.com/travel
_
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| Re: [GMCnet] I THINK I DID IT [message #94956 is a reply to message #94905] |
Sat, 07 August 2010 13:56 |
jtblank
Messages: 237
Registered: June 2007
Location: Tulare, CA
Karma: 1
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When I bought my coach some 6 years ago the PO had already removed the liners and I never put them back in and have never had problem with vapor lock problems. I live right in the middle of the San Joaquin valley and rain is not an issue even though trips to the central coast and the Sierra Nevada's expose me to that rare phenomenon. Here in California we have had the ethanol blend for many years but I always keep the tanks full to help with moisture absorption.
John Blankenship
'76 Palm Beach
Tulare, CA
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| Re: [GMCnet] I THINK I DID IT [message #94963 is a reply to message #94956] |
Sat, 07 August 2010 17:49 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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As the sock filters load up with the dirt and gum from the fuel and tank,
the socks restricts the flow.
When the forward pump starts pulling on the fuel, air bubble forms and
manages to get to the pump.
We take an air hose to the supply hoses at the tank and back flush the
socks.
We then remove the selector and mount it to the outside of the frame and
drill 2 holes for the supply line to join the selector.
We then have the fuel flow through a large low restriction filter cartridge
to the Vain driven electric pump along with the bypass valve.
New the fuel has lesser chance of developing the air column in the line.
With the bypass valve around the pump, one does not need to run the aux.
pump all the time.
I have been running it this way since 1982 with great results and have sold
hundreds of these kits wit great feed back.
There are other things that can help; Exhaust shields for the fuel tanks,
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] I THINK I DID IT [message #95121 is a reply to message #94956] |
Mon, 09 August 2010 14:17 |
George Beckman
Messages: 1085
Registered: October 2008
Location: Colfax, CA
Karma: 11
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| jtblank wrote on Sat, 07 August 2010 11:56 |
When I bought my coach some 6 years ago the PO had already removed the liners and I never put them back in and have never had problem with vapor lock problems. I live right in the middle of the San Joaquin valley and rain is not an issue even though trips to the central coast and the Sierra Nevada's expose me to that rare phenomenon. Here in California we have had the ethanol blend for many years but I always keep the tanks full to help with moisture absorption.
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I live just North of John, in the valley. Just took "Baby" and our current coach to the mountains last Thursday. It was not a cool, kind day. The trip was about 55 miles and we ended up above 4K feet. Of course the fuel is 10% and Baby has the old Q-Jet. The trans was starting to get warm, in the early yellow, the fan clutch was engaging from time to time and no vapor lock. Wheel liners are in. It does have nice side vents to the outside. It doesn't have an electric fuel pump. Selector is on the inside of the frame. Fuel filter is a ho-hum regular filter. It does have heat shields on the 3" exhaust.
Man, I wish we could figure out an absolute "key" to this summer unhappiness.
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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| Re: [GMCnet] I THINK I DID IT [message #95131 is a reply to message #94905] |
Mon, 09 August 2010 15:33 |
Luvn737s
Messages: 1106
Registered: June 2007
Karma: 2
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Any thoughts as to the venturi effect of the fender wells and whether or not they help channel cooling air past the engine as a baffle of sorts?
Randy
1973 26' Painted Desert
Ahwatukee (Phoenix) AZ
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| Re: [GMCnet] I THINK I DID IT [message #96242 is a reply to message #96207] |
Tue, 17 August 2010 17:49 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Steve,
No effect whatsoever!
However, I haven't left the Coop yet! ;-)
Getting close though!
Not to worry I will provide info to the GMC net.
Regards,
Rob M.
USAussie
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Stephen Stolley
Sent: Tuesday, August 17, 2010 1:05 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] I THINK I DID IT
So Rob, how did the elephant ears and spoiler affect your engine cooling?
--
Steve Stolley
76 Glenbrook
Washington, Utah
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] I THINK I DID IT [message #96249 is a reply to message #96242] |
Tue, 17 August 2010 18:38 |
Steve Stolley
Messages: 61
Registered: April 2008
Location: Ivins, Utah
Karma: 0
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Thanks Rob. Are you on Jim's payroll yet or just making certain he makes a profit this month?
I also recently added the ears and JRs spoiler, but I never tested them. I look forward hearing what you find.
Just a word to the wise. I recently had to have my GMC towed from the front with both front wheels cradled. The driver was really good about not hitting the spoiler when he first hoisted it and for 30 miles of towing. Unfortunately he trashed the spoiler putting the rig back on the ground. His only response was "I guess I should have let you take it off first like you wanted to".
Steve Stolley
76 Glenbrook
Ivins, Utah
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| Re: [GMCnet] I THINK I DID IT [message #96254 is a reply to message #96252] |
Tue, 17 August 2010 19:11 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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And others hold the driver personally responsible -- but don't expect him to
tell you that.
Ken H.
On Tue, Aug 17, 2010 at 7:52 PM, Emery Stora <emerystora@mac.com> wrote:
>
> On Aug 17, 2010, at 5:38 PM, Stephen Stolley wrote:
>
> ...first hoisted it and for 30 miles of towing. Unfortunately he trashed
> the spoiler putting the rig back on the ground. His only response was "I
> guess I should have let you take it off first like you wanted to".
> >
> Most towing companies have insurance if they do something like that. Check
> it out.
>
>
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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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