Home » Public Forums » GMCnet » Onan Exaust Extension
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| Re: [GMCnet] Onan Exaust Extension [message #181086 is a reply to message #181056] |
Tue, 21 August 2012 10:32   |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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Steven, do you have the part # for the k&n filter? Does it fit the stock air filter mount?
Thanks
Silly
77 royale
Sent from my iPhone
On Aug 21, 2012, at 5:48 AM, Steven Ferguson <botiemad11@gmail.com> wrote:
> There's a better way to get there from here. This is permanent and very,
> very quiet:
> http://www.gmcmhphotos.com/photos/g3182-onan-k-amp-n-filter-amp-exhaust.html
>
> On Mon, Aug 20, 2012 at 4:12 PM, LYNN LAYCOCK <lynn_sr@msn.com> wrote:
>
>>
>>
>> I got tired of hearing the onan exhaust noise and smelling fumes in the
>> coach. Here is my simple exhaust extension. Costs about 15.00 using 1-1/4"
>> EMT. Sure is less noise in the bed now..
>>
>> http://www.gmcmhphotos.com/photos/member-galleries/p45332-simple-emt-exhaust-pip.html
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>
>
>
> --
> Fathom the hypocrisy of a nation where every citizen must prove they have
> health insurance......but not everyone has to prove they're a citizen.
> Steve Ferguson
> Sierra Vista, AZ
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] Onan Exaust Extension [message #181098 is a reply to message #181056] |
Tue, 21 August 2012 11:29 |
LYNN L
Messages: 140
Registered: March 2005
Location: Pearland TX.
Karma: 0
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Senior Member |
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Stephen, how do you slide the generator out when you are boondocking? Does the pipe have a flexible piece that you install?
Lynn L
76 Eleganza Cad.500
Pearland TX.
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| Re: [GMCnet] Onan Exaust Extension [message #181130 is a reply to message #181098] |
Tue, 21 August 2012 14:35 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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| LYNN LAYCOCK wrote on Tue, 21 August 2012 09:29 |
Stephen, how do you slide the generator out when you are boondocking? Does the pipe have a flexible piece that you install?
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Lynn,
Maybe Steve will come on here and explain, but there is no reason to slide the generator out when boondocking, or any other time except for servicing. The 'Power Drawer' is designed to be run in the compartment. In fact, it produces negative pressure in the compartment, by design, so as to make sure it is not forcing exhaust gasses inside the motorhome. Besides that, it is hard on the slides.
Steve's set-up requires the removal of two bolts in order to slide the generator out for servicing.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Onan Exaust Extension [message #181141 is a reply to message #181130] |
Tue, 21 August 2012 16:03 |
Kudzu
Messages: 377
Registered: November 2011
Location: Marshville, NC
Karma: 0
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Senior Member |
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OK, I had the same question. I didn't want to have a complicated
disconnect to pull it out. I need to pull the Onan out in order to turn
it off. In the coach, the ON works but the OFF doesn't (used to).
Something else to tinker with.
Dan in NC
On 8/21/2012 3:35 PM, Carl Stouffer wrote:
>
> LYNN LAYCOCK wrote on Tue, 21 August 2012 09:29
>> Stephen, how do you slide the generator out when you are boondocking? Does the pipe have a flexible piece that you install?
>
> Lynn,
>
> Maybe Steve will come on here and explain, but there is no reason to slide the generator out when boondocking, or any other time except for servicing. The 'Power Drawer' is designed to be run in the compartment. In fact, it produces negative pressure in the compartment, by design, so as to make sure it is not forcing exhaust gasses inside the motorhome. Besides that, it is hard on the slides.
>
> Steve's set-up requires the removal of two bolts in order to slide the generator out for servicing.
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1976 Eleganza II
1996 Chevy Impala SS
1999 Kawasaki Vulcan Nomad
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| Re: [GMCnet] Onan Exaust Extension [message #181205 is a reply to message #181145] |
Tue, 21 August 2012 21:52 |
Kudzu
Messages: 377
Registered: November 2011
Location: Marshville, NC
Karma: 0
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Senior Member |
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I'll try and prop the beast up again and have a look - thanks, Dan!
Dan in NC
On 8/21/2012 6:01 PM, Dan Gregg wrote:
>
> I like Steve's picture too. Dan, There are 4 wires that are behind the Onan. They have a pull apart connector. One is bad, that is why your Onan won't shut off. I been down that road. Hard wired mine.
> Dan
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1976 Eleganza II
1996 Chevy Impala SS
1999 Kawasaki Vulcan Nomad
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| Re: Onan Exaust Extension [message #181213 is a reply to message #180971] |
Tue, 21 August 2012 22:29 |
Charley
Messages: 116
Registered: September 2010
Location: Magnolia Texas
Karma: 0
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Yes, thanks Dan I have the same issues so I will have to take a look as well!!!
Charley Harris
Magnolia Texas
1976 Edgemont
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| Re: [GMCnet] Onan Exaust Extension [message #181251 is a reply to message #181086] |
Wed, 22 August 2012 07:57 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Todd,
The K&N filter number and rad hose part number are in this photo. Yes, it
does fit.
http://www.gmcmhphotos.com/photos/onan-k-amp-n-filter-amp-exhaust/p1895.html
On Tue, Aug 21, 2012 at 8:32 AM, Todd Sullivan <sgltrac@gmail.com> wrote:
> Steven, do you have the part # for the k&n filter? Does it fit the stock
> air filter mount?
>
> Thanks
>
> Silly
> 77 royale
>
> Sent from my iPhone
>
> On Aug 21, 2012, at 5:48 AM, Steven Ferguson <botiemad11@gmail.com> wrote:
>
> > There's a better way to get there from here. This is permanent and very,
> > very quiet:
> >
> http://www.gmcmhphotos.com/photos/g3182-onan-k-amp-n-filter-amp-exhaust.html
> >
> > On Mon, Aug 20, 2012 at 4:12 PM, LYNN LAYCOCK <lynn_sr@msn.com> wrote:
> >
> >>
> >>
> >> I got tired of hearing the onan exhaust noise and smelling fumes in the
> >> coach. Here is my simple exhaust extension. Costs about 15.00 using
> 1-1/4"
> >> EMT. Sure is less noise in the bed now..
> >>
> >>
> http://www.gmcmhphotos.com/photos/member-galleries/p45332-simple-emt-exhaust-pip.html
> >> _______________________________________________
> >> GMCnet mailing list
> >> Unsubscribe or Change List Options:
> >> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >>
> >
> >
> >
> > --
> > Fathom the hypocrisy of a nation where every citizen must prove they have
> > health insurance......but not everyone has to prove they're a citizen.
> > Steve Ferguson
> > Sierra Vista, AZ
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Fathom the hypocrisy of a nation where every citizen must prove they have
health insurance......but not everyone has to prove they're a citizen.
Steve Ferguson
Sierra Vista, AZ
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| Re: [GMCnet] Onan Exaust Extension [message #181253 is a reply to message #181141] |
Wed, 22 August 2012 08:02 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Usually, when you have to pull the genset out to turn it off, simply
cleaning the connector contact with CR 626 (ele contact cleaner) from Home
Depot will result in a good connection allowing the inside switches to work
properly.
On Tue, Aug 21, 2012 at 2:03 PM, Daniel Jarvis <TheJarvis@carolina.rr.com>wrote:
> OK, I had the same question. I didn't want to have a complicated
> disconnect to pull it out. I need to pull the Onan out in order to turn
> it off. In the coach, the ON works but the OFF doesn't (used to).
> Something else to tinker with.
>
> Dan in NC
>
> On 8/21/2012 3:35 PM, Carl Stouffer wrote:
> >
> > LYNN LAYCOCK wrote on Tue, 21 August 2012 09:29
> >> Stephen, how do you slide the generator out when you are boondocking?
> Does the pipe have a flexible piece that you install?
> >
> > Lynn,
> >
> > Maybe Steve will come on here and explain, but there is no reason to
> slide the generator out when boondocking, or any other time except for
> servicing. The 'Power Drawer' is designed to be run in the compartment.
> In fact, it produces negative pressure in the compartment, by design, so
> as to make sure it is not forcing exhaust gasses inside the motorhome.
> Besides that, it is hard on the slides.
> >
> > Steve's set-up requires the removal of two bolts in order to slide the
> generator out for servicing.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Fathom the hypocrisy of a nation where every citizen must prove they have
health insurance......but not everyone has to prove they're a citizen.
Steve Ferguson
Sierra Vista, AZ
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Onan Exaust Extension [message #181271 is a reply to message #181251] |
Wed, 22 August 2012 10:02 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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Thanks!
Sent from my iPhone
On Aug 22, 2012, at 5:57 AM, Steven Ferguson <botiemad11@gmail.com> wrote:
> Todd,
> The K&N filter number and rad hose part number are in this photo. Yes, it
> does fit.
> http://www.gmcmhphotos.com/photos/onan-k-amp-n-filter-amp-exhaust/p1895.html
>
> On Tue, Aug 21, 2012 at 8:32 AM, Todd Sullivan <sgltrac@gmail.com> wrote:
>
>> Steven, do you have the part # for the k&n filter? Does it fit the stock
>> air filter mount?
>>
>> Thanks
>>
>> Silly
>> 77 royale
>>
>> Sent from my iPhone
>>
>> On Aug 21, 2012, at 5:48 AM, Steven Ferguson <botiemad11@gmail.com> wrote:
>>
>>> There's a better way to get there from here. This is permanent and very,
>>> very quiet:
>>>
>> http://www.gmcmhphotos.com/photos/g3182-onan-k-amp-n-filter-amp-exhaust.html
>>>
>>> On Mon, Aug 20, 2012 at 4:12 PM, LYNN LAYCOCK <lynn_sr@msn.com> wrote:
>>>
>>>>
>>>>
>>>> I got tired of hearing the onan exhaust noise and smelling fumes in the
>>>> coach. Here is my simple exhaust extension. Costs about 15.00 using
>> 1-1/4"
>>>> EMT. Sure is less noise in the bed now..
>>>>
>>>>
>> http://www.gmcmhphotos.com/photos/member-galleries/p45332-simple-emt-exhaust-pip.html
>>>> _______________________________________________
>>>> GMCnet mailing list
>>>> Unsubscribe or Change List Options:
>>>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>>>
>>>
>>>
>>>
>>> --
>>> Fathom the hypocrisy of a nation where every citizen must prove they have
>>> health insurance......but not everyone has to prove they're a citizen.
>>> Steve Ferguson
>>> Sierra Vista, AZ
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>
>
>
> --
> Fathom the hypocrisy of a nation where every citizen must prove they have
> health insurance......but not everyone has to prove they're a citizen.
> Steve Ferguson
> Sierra Vista, AZ
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: Onan Exaust Extension [message #181272 is a reply to message #180971] |
Wed, 22 August 2012 10:54 |
LYNN L
Messages: 140
Registered: March 2005
Location: Pearland TX.
Karma: 0
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Senior Member |
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Carl,It makes good sense that the blower would pull a neg. air pressure in the compartment. I never thought about that. There is however a large difference in sound and vibration with the compartment pulled out and no smelly exhaust fumes with the discharge above the RV. I guess a little more swag engineering is due to attach to the exhaust with the compartment closed. Every yeay on the Houston rodeo trail ride people are killed by carbon monoxide because they place their portable generators to close to the trailers they use to sleep in.
Lynn L
76 Eleganza Cad.500
Pearland TX.
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| Re: Onan Exaust Extension [message #181288 is a reply to message #180971] |
Wed, 22 August 2012 13:07 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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While I like the idea, I do see a possible problem: It (most likely) will get very hot. Anyone walking around your coach (like little kids) could be subjected to some fairly bad burns. I would at least check to see how hot it gets after running at full load for a few hours.
The "genturi" type extension uses the venturi effect to draw cooling air into the "stack" section of the extension lowering the temperature of the stack. In fact, it is cool enough that plastic can be used for the stack. (The down side is that the stack is larger in diameter.)
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: Onan Exaust Extension [message #181289 is a reply to message #181272] |
Wed, 22 August 2012 13:32 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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| LYNN LAYCOCK wrote on Wed, 22 August 2012 08:54 |
Carl,It makes good sense that the blower would pull a neg. air pressure in the compartment. I never thought about that. There is however a large difference in sound and vibration with the compartment pulled out and no smelly exhaust fumes with the discharge above the RV. I guess a little more swag engineering is due to attach to the exhaust with the compartment closed. Every year on the Houston rodeo trail ride people are killed by carbon monoxide because they place their portable generators to close to the trailers they use to sleep in.
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I like the idea of a 'gen-turi', and would consider using one under the right circumstances. I have had my Co alarm go off while running the generator, if the wind was right or under certain other conditions. I have never used my Onan overnight simply because I could not sleep with the noise of the Duotherm AC unit(s) running, much less the generator. Most places that I overnight would frown upon generator use after a certain time of night, and usually have rules about 'quiet time', generally after 8:00 PM. The times when I dry camp, in an undeveloped area, it is usually cold at night so it's not an issue.
I have found that since I replaced mu Onan mounts, it is much quieter inside the coach with the generator running. It is also quieter outside the coach when the generator is tucked away in it's compartment with the door closed.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Onan Exaust Extension [message #181339 is a reply to message #180971] |
Wed, 22 August 2012 18:41 |
LYNN L
Messages: 140
Registered: March 2005
Location: Pearland TX.
Karma: 0
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Senior Member |
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carl, do you remember where you bought the mounts? Don"t see any listed on Jim K"s site.
Thanks for the tip, again...
Lynn L
76 Eleganza Cad.500
Pearland TX.
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