Portable Generator Natural Gas Conversion & Outdoor Enclosure

All Parts Purchased from Home Depot, some available only online, and Amazon. Natural Gas Kit was Added and the Exhaust is a 4 Inch Metal Vent Hose with an En…
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25 Responses to “Portable Generator Natural Gas Conversion & Outdoor Enclosure” Subscribe

  1. silverbankruptcy July 8, 2013 at 1:59 am #

    Yep,
    I guess I sold out…
    But I got a great deal on the 20KW Generator.
    Turns out that setting it up is a lot of fun.
    The portable one has some advantages, in that it is Extremely Simple and Reliable. The 20KW offers more Protection and more possible problems. I discuss the advantages in the 20KW Generator Videos.

  2. peter shimm July 8, 2013 at 2:35 am #

    Oh no! You took the easy way out and went with the conventional whole house generator!  That’s no fun!

  3. silverbankruptcy July 8, 2013 at 3:27 am #

    Thank you,
    This was My first project in a while.
    I used it for the 20 hours we lost power in Sandy.
    I told my kids, isnt it amazing that we have some lights and can watch TV in a Blackout? Their Response – “No its not that Great, Only One TV Works”
    I only ran it on the Platinum Plug, and it Ran Great.
    Anyway I sold this generator, as I was able to get a whole House Generator that I made a few Videos on.
    It found a Nice home with someone who has kids.
    You can check my New Generator in my videos
    .

  4. bcsupport July 8, 2013 at 4:08 am #

    Is this generator still working good on CNG/Propane ? How many hours have you ran it so far ? How well will it run with the factory sparkplug ?

    Nice work !

  5. KennethBakerIntl July 8, 2013 at 4:17 am #

    Awesome work!! I’d like to build something similar to run on the natural gas at my place.

  6. William Gregorio July 8, 2013 at 4:35 am #

    great job, very informative. converting it does in fact void the warranty. just take if off and put gas tank back on if you have a problem

  7. silverbankruptcy July 8, 2013 at 5:28 am #

    No problems with Exhaust at all.
    AC Units Do not pull in Air into the House. They Just Circulate outdoor air over a Coil, outside. Generator on Natural Gas (unlike Gasoline) is like your Kitchen stove. Its safe it puts out Carbon Dioxide, Not Carbon Monoxide.

  8. James Bryant July 8, 2013 at 6:17 am #

    any problems with fumes inside your home, from you exuast venting into you AC unit?

  9. silverbankruptcy July 8, 2013 at 6:29 am #

    Yes You have Great Videos Up:
    Nice Job, Your Son probably did the work:
    1. Natural Gas Conversion Kit Installation – v=_AX7wjeiytA
    2. Great Generator Shed – v=tu9OlUGVyZw
    Venting Looks Good. If you insulate the Exhaust it may help 20 Deg.
    If you still have problems with the Shed Wall Melting, Isolate the Exhaust Pipe. If its a 4 inch Pipe – Cut a 5 Inch Hole in wall and Cover Wall with a 6 Inch Piece Aluminum that has a 4 Inch hole in the middle. Let the square end of exhaust Stick out further.

  10. viper92086 July 8, 2013 at 6:33 am #

    Yea with my setup i put the fan all the way at the top. You can see my video up on youtube, i just can’t post a link to it. I used a large 24×18 vent for intake and a 12×12 vent with a 1500cfm radiator fan on the opposite side at the top. My inside temps are around 80-90 on a 50F ambient temp day. I also setup the same high temp shutoff as you, but i havent had any overheating problems in this cooler weather. Maybe i need to insulate/duct my shed like yours.

  11. silverbankruptcy July 8, 2013 at 7:10 am #

    I Used Lava Wrap and layers of the 6 Inch Fiberglass Pipe Insulation and 6 inch pipe around Exhaust. 113 Temp is fine. The Muffler is almost 600 Degrees in my video but it is Difficult to Wrap since its attached to the frame. If you insulate it, use Lava Wrap from Amazon, Fiberglass may slowly scorch and melt. I don’t believe that wrapping it is even necessary because with the fan running on the right, and the air intake louver on the left, the box was only 12 Degrees above Ambient Temp.GoodLuck

  12. viper92086 July 8, 2013 at 7:34 am #

    Hi i just built a similar setup using a suncast shed and a predator 7000watt generator. I insulated the exhuast pipe similar to what you did and my temps at the outside of the pipe are around 113F. My question is, what did you do about the heat coming off the muffler? I see that my predator has a similar muffler to that of the generac and i was thinking of wrapping it in fiberlgass exhuast wrap to help keep the heat contained.,

  13. silverbankruptcy July 8, 2013 at 8:14 am #

    Generator Requiem: This Generator was sold to Keith, on Long Island.
    After Sandy, I helped many people, wiring in furnaces etc, of course for free. One person had a huge Generac Quietsource flooded gen. I am not an electrician familiar with local codes and so had no qualms bypassing safety devices on the unit using a booster to send 12V to the gas solenoid and starter. I got it running. This person helped me get a deal to obtain a 20KW Briggs & Stratton Generator. I will try to post a video. End

  14. silverbankruptcy July 8, 2013 at 8:16 am #

    @lconway99 Thanks. My guess is it doesn’t matter probably all the same parts but why take a chance, and the guy on the phone was very nice and helpful. I found its pretty easy to do and I am not an expert. See the website in the description that I bought it from. Also forget the clamp on the muffler. It’s not needed. Gen is 200 lbs and not moving, so no need to clamp it down , just put pipe on the muffler and it will stay.

  15. larry conway July 8, 2013 at 8:47 am #

    Thanks for the quick reply. Do you think it matters what vendor i buy the kit from? do you think your kit fit better than a kit from another website?

    And i guess the two holes would be tough to explain LOL.

  16. silverbankruptcy July 8, 2013 at 8:49 am #

    Your right, and No Gasoline = No Problems except for two bolt holes drilled into frame to hold regulator I meant to add a little humor, but my humor may not be that good.
    As Far as fitting the Generac GP7500E, the Filter Housing goes on No Problem, the issue is with the Cover of the Filter Housing, it looked like it Would Not fit, but by Bending the Plastic Filter Housing, I could Push the Filter Cover in between the Housing and the Frame. with some bending of the plastic to get it on, it fit.

  17. larry conway July 8, 2013 at 9:30 am #

    I have the same generac. How tight is the fit between the filter box and the frame? I would like to do the conversion but really don’t want to cut the frame.

  18. larry conway July 8, 2013 at 10:08 am #

    how would generac know you installed the conversion kit? If you had an issue with your generator couldn’t you uninstall the kid before you made a claim?

  19. silverbankruptcy July 8, 2013 at 10:13 am #

    part 2 Natural Gas Mixture – Then At the Highest HZ that you can get Tighten the Bolt so screw cannot Move, and Now Gen will work Perfectly on any load.. You will Never have to adjust the mixture again, Ever.

  20. silverbankruptcy July 8, 2013 at 10:40 am #

    Part 1 about NG Mixture – as far as mixture, see my Description in the heading. no need to adjust mixture after you do it once. it instructions said this. start the gen and attach a Load on it. Then attach a Tachometer or Just use a Multimeter Measuring Hertz in an outlet. Then unscrew the mixture screw out for a richer mixture until you hear the engine start to run rough and the HZ starts to Drop. Now Slowly Tighten the Screw in and listen and watch HZ. HZ will increase to about 61 or 62 HZ.

  21. silverbankruptcy July 8, 2013 at 10:45 am #

    Wow, I don’t know how to replace those parts. I don’t believe it runs hotter than gasoline. My guess is that because it runs smoother, it’s less wear and tear.

  22. silverbankruptcy July 8, 2013 at 11:17 am #

    The box says Champion 300 N9YC Copper Plus. the champion website has conversion tables for spark plugs if your gen is a different company . I can’t vouch that it’s better bc i changed mine out of the box but it makes sense that it is.

  23. silverbankruptcy July 8, 2013 at 12:14 pm #

    I am sure that its the same adapter. They all use the same off the shelf parts. no need to cut the frame. You can fit the air filter housing on after you put the adapter on and the air filter cover will fit by a millimeter if you fit it on at an angle. It will fit.. Treat it like a puzzle..

  24. MadMattz76 July 8, 2013 at 12:42 pm #

    Also do you have the type or part number of the better spark plug you used? Thanks

  25. MadMattz76 July 8, 2013 at 1:10 pm #

    In response to your question above : Yes, this voids the warranty. I contacted Generac after I did my mod to ask about synthetic oil use and they said what I did voided the warranty which I figured and accepted. I ordered some extra valves/rings etc just in case the burn up rumors were true

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