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6500 watt portable generators: #4454169
07/09/17 10:25 AM
07/09/17 10:25 AM
Joined: Jun 2009
Posts: 107
Michigan
Oil_Flunky Offline OP
Oil_Flunky  Offline OP
Joined: Jun 2009
Posts: 107
Michigan
How do the cheaper models like Generac hold up with occasional once a year use for power failures, if maintained in the anal BITOG fashion?


Oil, you need it. Oil snobbery, you don't need it.
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454177
07/09/17 10:41 AM
07/09/17 10:41 AM
Joined: Dec 2016
Posts: 6,251
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 6,251
Waco, TX
The oil will last ten years with "occasional emergency" use, I know this to be a fact from experience.

The fuel system needs the most attention. Use E-0 gas if you can find it, and always use Sta-Bil or Pri-G in the fuel if it's going to be stored for long periods of time.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454179
07/09/17 10:42 AM
07/09/17 10:42 AM
Joined: Dec 2016
Posts: 6,251
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 6,251
Waco, TX
Of all the "old" generators I have (20+ years old), only the Briggs engined ones are still alive. The ones with Honda engines are absolutely OUTSTANDING.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 6500 watt portable generators: [Re: Linctex] #4454186
07/09/17 10:48 AM
07/09/17 10:48 AM
Joined: Mar 2011
Posts: 271
NM, USA
pkunk Offline
pkunk  Offline
Joined: Mar 2011
Posts: 271
NM, USA
Originally Posted By: Linctex
The oil will last ten years with "occasional emergency" use, I know this to be a fact from experience.

The fuel system needs the most attention. Use E-0 gas if you can find it, and always use Sta-Bil or Pri-G in the fuel if it's going to be stored for long periods of time.

Don't forget to shut the fuel off and run the carb dry also.


2008 Mini Cooper Clubman (toad)
2000 Mercedes ML320
1994 Dodge 2500 Cummins
1999 Ford F53 V10 Coachman Motorhome 34ft
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454199
07/09/17 11:05 AM
07/09/17 11:05 AM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
Most should be fine for 10 yrs. Test them 2x year and I always used stabilized E0. I have since gone to propane.

Before buying figure out the critical circuits and the peak and running load. A clamp-on ammeter will help.

And plan a way to use it to power the critical circuits without back feeding.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: 6500 watt portable generators: [Re: Donald] #4454215
07/09/17 11:30 AM
07/09/17 11:30 AM
Joined: Jun 2009
Posts: 107
Michigan
Oil_Flunky Offline OP
Oil_Flunky  Offline OP
Joined: Jun 2009
Posts: 107
Michigan
*I'm an electrician.
Thanks though, you don't want to toast a lineman or your home wiring for people reading this.

Last edited by Oil_Flunky; 07/09/17 11:31 AM.

Oil, you need it. Oil snobbery, you don't need it.
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454216
07/09/17 11:30 AM
07/09/17 11:30 AM
Joined: Jun 2014
Posts: 1,773
Ca.
UncleDave Offline
UncleDave  Offline
Joined: Jun 2014
Posts: 1,773
Ca.
Originally Posted By: Oil_Flunky
How do the cheaper models like Generac hold up with occasional once a year use for power failures, if maintained in the anal BITOG fashion?




It will be fine for that kind of use.

If you've taken care of your fuel and fuel system appropriately as was posted earlier.

Note: It will be noisy, thirsty power outage however this unit roars at a fixed constant RPM and swigs fuel like a drunken sailor.

You can get an idea of the relative quality of any given unit by looking the valve lash inspection interval it carries.

Yahamhas, Hondas, and Subarus typically have the longest intervals. - no surprise.

Typically its a 3X spread between the cheapie and the good ones.

UD

Last edited by UncleDave; 07/09/17 11:33 AM.

Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454281
07/09/17 01:35 PM
07/09/17 01:35 PM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
Also depending upon the neighborhood you want 1/2" chain and a quality padlock along with a Rottweiler. And a CO detector.

If the place where you live is known as a "hood" then up it to 3/4" chain and two Rottweilers.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454318
07/09/17 02:18 PM
07/09/17 02:18 PM
Joined: Sep 2012
Posts: 324
Michigan
NO2 Offline
NO2  Offline
Joined: Sep 2012
Posts: 324
Michigan
You should have an electrician install a manual transfer switch. Alternately have a power plug to your furnace, instead of having it hard wired. You can run extension cords for the remainder of your devices. Also make sure that the generator has voltage regulation if your don't want to burn out your motors and refrigerator compressors.

Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454328
07/09/17 02:27 PM
07/09/17 02:27 PM
Joined: Jul 2015
Posts: 480
Pennsylvania
Astro_Guy Offline
Astro_Guy  Offline
Joined: Jul 2015
Posts: 480
Pennsylvania
You should be more than fine with that unit, but if you don't mind me asking, why so large? Electric water heat perhaps? Hoping to start a window air conditioner?

I use a Champion 3500 watt unit to power all of my essential circuits, but then I have gas on the stove and hot water heater. Both of those items are still on essential circuits, because both rely upon electric ingnitors. My gas furnace is also considered an essential circuit, and I have run the heat with a power outage. I've also run the dishwasher with heated dry cycle during a power outage.

The outlet in the bathroom where the Misses plugs in her hair dryer is also considered an essential circuit. Some of you will get that; the rest of you probably aren't married!

Last edited by Astro_Guy; 07/09/17 02:27 PM.

'01 Volvo V70XC, 228k, 0W-40 M1
'16 Accord, 17k, 0W-20 M1 EP
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454392
07/09/17 03:34 PM
07/09/17 03:34 PM
Joined: Dec 2016
Posts: 6,251
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 6,251
Waco, TX
If you have a wife and several kids, 6500 watts provides for a lot of comfort and amenities.

3500 watts is still very usable, if you "manage your loads" and are very good about shedding a large load before bringing on another one


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454444
07/09/17 04:26 PM
07/09/17 04:26 PM
Joined: Jun 2003
Posts: 33,104
ME
eljefino Online content
eljefino  Online Content
Joined: Jun 2003
Posts: 33,104
ME
I have a 2500 watt/3250 surge "chonda" that's been around since a month after Hurricane Irene. (Sold my old B&S clunker during the hype.)

The little rubber fuel hose is starting to decompose. No other problems. 11 month old E10 gas with a bunch of sta bil, still starts right up.

I wiggle the little fuel line off the carb to drain the tank and put fresh fuel in occasionally. The chinese rubber doesn't like doing this all that much.

I have a 4-position transfer switch that wires in after the main breaker box, for the essential loads. This way I didn't have to have the PoCo pull the meter for a full-house switch.

IMO 6500 watts is overkill and will guzzle gas, which is another hassle. Aside from the hassle it's 8-10x as expensive to make your own than to buy.

Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454584
07/09/17 07:01 PM
07/09/17 07:01 PM
Joined: May 2013
Posts: 2,093
Saskatchewan, Canada
Johnny2Bad Offline
Johnny2Bad  Offline
Joined: May 2013
Posts: 2,093
Saskatchewan, Canada
I'm not so sure about the "gas guzzling". Sure, small generators are fuel conserving, but generators only use fuel based on load. No load, little fuel consumption; full load ... well, if you sized it right, you probably need the capacity.


'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]
Re: 6500 watt portable generators: [Re: Oil_Flunky] #4454597
07/09/17 07:13 PM
07/09/17 07:13 PM
Joined: Sep 2004
Posts: 7,529
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,529
Marshfield , MA
Yah, I have a 35 yr old Coleman 5KW with a Tecumseh hm100 10 hp. If I can get it started, it has recoil, and keep it running. It will manage everything essential. The unit has less than 80 hrs on it. I have to fish or cut bait with it. Fix or replace.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: 6500 watt portable generators: [Re: Johnny2Bad] #4454618
07/09/17 07:38 PM
07/09/17 07:38 PM
Joined: Jun 2003
Posts: 33,104
ME
eljefino Online content
eljefino  Online Content
Joined: Jun 2003
Posts: 33,104
ME
Originally Posted By: Johnny2Bad
I'm not so sure about the "gas guzzling". Sure, small generators are fuel conserving, but generators only use fuel based on load. No load, little fuel consumption; full load ... well, if you sized it right, you probably need the capacity.


volumetric efficiency and all that... ideally one would be at 60-80% of max load with your typical gas engine. The "crude" ones run at 3600 RPM to make 60 cycle power so you have the drag of the fan and whatnot.

Kill-a-Watt meters are telling, particularly about duty cycles of refrigerators. My fridge does way more than turn on and off-- it has a sub-200 watt consumption mode that I'm not sure how it works.

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