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Wisconsin Engines

Wisconsin THD carb kit


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  #1  
Old 09-20-2019, 12:25:11 AM
vangasman vangasman is offline
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Default Wisconsin THD carb kit

This is my first Wisconsin to work on it is a 6000 watt generator with a THD Spec 217054 ser 5334118. The carb is a L48C OS1329 and would like to know what the zenith kit # is correct for this carb. There seem to be many out there and they all look similar. Thanks for any info.
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Old 09-20-2019, 12:56:05 AM
K-Tron K-Tron is offline
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Default Re: Wisconsin THD carb kit

The Zenith S1329 L48C uses the Wisconsin LQ-38 repair kit. You can purchases these parts from Tim Stine 1-814-766-3675. Keep in mind that the L48C is not the original carburetor for your engine. It would have used an aluminum body L-63-C. It is not an issue, both carburetors have an 18mm venturi, so performance will be about the same. I like the cast iron L48 carburetors better anyways. Good luck with your engine. The THD's are a sweet running engine at 1800rpm.

Chris
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Old 09-20-2019, 08:48:46 AM
gdstew gdstew is offline
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Default Re: Wisconsin THD carb kit

usually a needle & seat, and a bowl gasket is all you need. The kits have way too much "extras".
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Old 09-20-2019, 09:45:40 AM
miltruck miltruck is offline
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Default Re: Wisconsin THD carb kit

Try one of the board's advertisers; McDonald Carb and Ignition.
Great website.
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Old 09-21-2019, 11:40:18 PM
vangasman vangasman is offline
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Default Re: Wisconsin THD carb kit

Thanks for the info, probably could have gotten away with a few gaskets. Any idea what year this might be, links don't seem to work anymore. Also best way to clean a gas tank? Thanks!
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Old 09-22-2019, 12:03:11 AM
K-Tron K-Tron is offline
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Default Re: Wisconsin THD carb kit

Your engine was built in 1974. What does your generator have for a fuel tank, a day tank built into the frame?, a ~3 gallon tank vertically mounted to the side of the engine with a standpipe? or ? Is the tank plastic or metal? If the tank is small enough and easy enough to remove, and metal; I would recommend removing it from the generator, pouring a handful or two of lock washers, nuts and small bolts into the tank, add a pint of old gas and shake it around vigorously until your hands get numb. Rinse and repeat several times or until the tank is clean. Blow dry with compressed air. The THD at 1800rpm at 50% load will burn 0.75 gallon of fuel per hour. At 75% load it will burn 1 gallon of fuel per hour. At full load it will burn 1.28 gallons of fuel per hour.

Chris
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Old 09-22-2019, 10:24:41 AM
vangasman vangasman is offline
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Default Re: Wisconsin THD carb kit

Yes it's the oval metal one mounted on the side. Did the nut and bolt thing but was considering vinegar or hc acid. Metal wise seems in good shape but just full of crusty gunk. Will need to make a new drop tube too. Po had it hooked to a larger tank so it had not been used in years.
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Old 09-22-2019, 11:06:47 AM
K-Tron K-Tron is offline
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Default Re: Wisconsin THD carb kit

I personally do not use any form of strong acid in cleaning old fuel tanks. When a tank is really bad I media blast as much as possible away through the inlet and then continue using loose hardware to break the rest of the scale, rust and debris out. It will take a while but be patient. I have heard that vinegar if left unattended for long periods of time can totally eat away your fuel tank.

Chris
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Old 09-22-2019, 01:21:00 PM
Zira Zira is offline
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Default Re: Wisconsin THD carb kit

You can use something like lacquer thinner or acetone to help loosen/dissolve the dried up gasoline gunk (along with nuts/bolts/chain/gravel). That's what I usually do. Be aware that these are very flammable & treat them accordingly.

Not a fan of acid on a sheet metal tank. I also coat mine after cleaning.
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Old 09-27-2019, 02:45:49 AM
turmlos turmlos is offline
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Default Re: Wisconsin THD carb kit

I typically use a combination of methods to clean my steel tanks, however it is by no means a speedy process.

First use some acetone, a handful of loose hardware and a lot of shaking to break up the gasoline residue. Once most of that has been removed, make sure the tank is sealed up good (no aluminum fittings/shut-offs/sediment bowls, they'll get eaten), re-add the loose hardware and top it off with vinegar to take out the rust. This is the lengthy step and will likely take two days at a minimum. Heat speeds up the process, and a bit of salt helps. Shake it up several times a day and rotate if needed. Once cleaned to your satisfaction, pour out the vinegar, fill with baking soda/water to neutralize the vinegar, then rinse thoroughly. To prevent flash rusting, swish around a bit of acetone to absorb the residual water.

Good as new, minus the rust pitting! I'd also recommend coating it.
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