swamp runner engine kits

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swamp runner engine kits

Postby cam liden » Sun Oct 20, 2013 7:45 am

has anyone ever ordered a mud motor kit from the company Swamp Runner? If so, what was your experience? the prices seem cheap, some im wondering if it is just crap. thanks
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Re: swamp runner engine kits

Postby radfordc » Sun Oct 20, 2013 8:54 am

I finished mine last week. There is a picture on another thread here. I built the "mini" motor using a 2.5hp LiFan engine. First the Swamp Runner kit is very good. The materials are strong and well finished. I did have some minor issues due to the engine I had. This was an old engine that didn't have the proper mounting plate on it, so I had to drill some additional holes in the motor mount to fit. I also had to purchase some different mounting bolts because the ones that came in the kit were a different thread size than I needed for my engine. Other than this everything went together really easy. Make sure that the motor you intend to use has the correct mounting dimensions and you should be good to go.

The long tail shaft for the mini turned out to be longer and heavier than I was expecting, but it seems really strong. I haven't had the engine in the water yet but it runs great on the test stand.
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Re: swamp runner engine kits

Postby threedogs » Sun Oct 20, 2013 9:44 am

..............
Last edited by threedogs on Sun Oct 20, 2013 7:32 pm, edited 1 time in total.
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Re: swamp runner engine kits

Postby cam liden » Sun Oct 20, 2013 11:55 am

radfordc wrote:I finished mine last week. There is a picture on another thread here. I built the "mini" motor using a 2.5hp LiFan engine. First the Swamp Runner kit is very good. The materials are strong and well finished. I did have some minor issues due to the engine I had. This was an old engine that didn't have the proper mounting plate on it, so I had to drill some additional holes in the motor mount to fit. I also had to purchase some different mounting bolts because the ones that came in the kit were a different thread size than I needed for my engine. Other than this everything went together really easy. Make sure that the motor you intend to use has the correct mounting dimensions and you should be good to go.

The long tail shaft for the mini turned out to be longer and heavier than I was expecting, but it seems really strong. I haven't had the engine in the water yet but it runs great on the test stand.

thanks radfordc. I'm gonna be using mine on a small 14 ft Jon boat. The boat is narrow and very light so I was thinking of either the 6.5hp kit or the 11hp kit. I hunt on a river a lot so I was leaning towards the 11. Will that be enough to push me upstream with another guy and decoys?
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Re: swamp runner engine kits

Postby threedogs » Sun Oct 20, 2013 2:09 pm

I have an LT 6.5 PFF on a 14x32 jon. It pushes me just fine.
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Re: swamp runner engine kits

Postby dogyak » Sun Oct 20, 2013 7:25 pm

I got it and very happy with it . I'm running the 6.5 HF motor ( Honda clone ) . Got the motor for 99.95 on special with a 2 yr warranty with no questions ask :biggrin: . Already know of a guy who drop his in the water and took it back with no problems . I run my rig on a 8 foot lowes river boat , think sometimes too much motor for the boat . But it fly's , I'm going to pick up another jon later on . I recommend this , with everything only cost a little under 580 . Better than 2 grand , which is about the right cost of that size motor with other company's .
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Re: swamp runner engine kits

Postby threedogs » Sun Oct 20, 2013 7:32 pm

radfordc wrote:I finished mine last week. There is a picture on another thread here. I built the "mini" motor using a 2.5hp LiFan engine. First the Swamp Runner kit is very good. The materials are strong and well finished. I did have some minor issues due to the engine I had. This was an old engine that didn't have the proper mounting plate on it, so I had to drill some additional holes in the motor mount to fit. I also had to purchase some different mounting bolts because the ones that came in the kit were a different thread size than I needed for my engine. Other than this everything went together really easy. Make sure that the motor you intend to use has the correct mounting dimensions and you should be good to go.

The long tail shaft for the mini turned out to be longer and heavier than I was expecting, but it seems really strong. I haven't had the engine in the water yet but it runs great on the test stand.



Post up and tell us what you're using it on and the results/speed when you get a chance.
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Re: swamp runner engine kits

Postby mdfowlman » Sun Oct 20, 2013 8:08 pm

Im pretty sure this is the kit a good buddy of mine just ordered. He ordered the largest model for a 20hp honda he has and is putting it on a 1444 jon boat. Im thinking it should get some pretty good speeds. It will be here tuesday and he will post up some photos and maybe a short video for you guys
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Re: swamp runner engine kits

Postby radfordc » Tue Oct 22, 2013 8:56 pm

I got the engine mounted on the boat and a trailer to haul it. Should be able to get in the water soon.
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Re: swamp runner engine kits

Postby threedogs » Wed Oct 23, 2013 6:11 am

Is there a reason you made the transom so tall ?
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Re: swamp runner engine kits

Postby QuackerSmacker498 » Wed Oct 23, 2013 8:59 pm

That transom looks mighty weak standing proud and tall. Might want reinforce it with some 3/4 inch aluminum tubing on a 45 degree angle . Flatten the ends and bolt to the boat and bottom of mottor plate. I would hat to see you lose your new motor.
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Re: swamp runner engine kits

Postby AJCsurf » Thu Oct 24, 2013 12:49 pm

X3 on that transom.... the motor is light weight enough but you'll get more bang for your HP with a lower angle of attack. Plus it won't look so funny and will be easier to hide :thumbsup:

Unless you need the clearance for your handle to dip it down and clear stuff behind you with your shaft (up and over stuff) I would seriously think about taking off a couple of inches.. looks good though! :thumbsup:
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Re: swamp runner engine kits

Postby radfordc » Thu Oct 24, 2013 4:17 pm

Good idea. I will cut it down some and see how that works.
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Re: swamp runner engine kits

Postby radfordc » Fri Oct 25, 2013 3:43 pm

I cut the transom down and put the boat on the water today. Top speed was just over 5 mph by GPS. The little 2.5 hp engine isn't able to turn full rpm's with the small 5" prop, but it sure beats paddling. The boat itself is stable enough but not near as stable as the hybrid I had a few years ago. However, it's lighter and easier to carry than the hybrid was so that's a plus. I'll be able to carry a bag of decoys and a gun and not much else.
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Re: swamp runner engine kits

Postby blakduck » Fri Oct 25, 2013 7:59 pm

The swamp runner kits are awesome!! I have had mine for over a month and the kit has worked as advertised. Make sure that you get a good motor. I have gone through two lemon predator motors from hf and now I've got a honda on the way.
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Re: swamp runner engine kits

Postby mdfowlman » Fri Oct 25, 2013 8:26 pm

We ran my buddies tonigh with the 20hp honda on a 1444 lowe.. got 21mph on gps with two guys on board. And that wasn't full throttle. We r installing a digital tach before we open her up
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Re: swamp runner engine kits

Postby threedogs » Fri Oct 25, 2013 11:47 pm

blakduck wrote:The swamp runner kits are awesome!! I have had mine for over a month and the kit has worked as advertised. Make sure that you get a good motor. I have gone through two lemon predator motors from hf and now I've got a honda on the way.



+1 on the junky HF motors.
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Re: swamp runner engine kits

Postby Hoagland8 » Mon Feb 09, 2015 2:24 pm

Those are some of the toughest mud motors there are. I have the medium kit on my 14/44 boat with a 16hp duromax and get good speed. I questioned the toughness til my buddy was backing the trailer in and didn't lift the tail up. Darn near ripped the motor off the boat, but all I had to do was remount it. Didn't bend a thing! They are some tough SOB's I highly suggest these kits.
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Re: swamp runner engine kits

Postby Pitch32 » Thu Sep 22, 2016 5:00 pm

Anybody have any issues with the swamprunner getting that shaft to stay straight? When we hit even minor mud or weeds the blade by the prop turns 90-180 degrees. When we mount the shaft we definitely hear a clunk and the boat drives (so we know the teeth are catching in the shaft), and we have the wing nuts as tight as they can go.
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Re: swamp runner engine kits

Postby AJCsurf » Thu Sep 22, 2016 10:00 pm

Pitch32 wrote:Anybody have any issues with the swamprunner getting that shaft to stay straight? When we hit even minor mud or weeds the blade by the prop turns 90-180 degrees. When we mount the shaft we definitely hear a clunk and the boat drives (so we know the teeth are catching in the shaft), and we have the wing nuts as tight as they can go.


Never had that happen. You can use a crescent wrench to tighten them more but that's a bit overkill. I've lifted up my boat and dragged it around by that skeg. The rotational torque required to spin that while its clamped would be quite a bit... I would bear down on those wing bolts and see if it does it again.
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Re: swamp runner engine kits

Postby Pintailchaser » Tue Oct 18, 2016 6:38 pm

Is there a particular reason they say not to use these on boats wider than 48" ? They look like great kits and wouldn't mind trying one but running a 54" boat.
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Re: swamp runner engine kits

Postby Madhook » Tue Oct 18, 2016 6:45 pm

You can use a long tail on the wider boat but you have to have the 100 inch shaft the prop is designed to ride in the wake of the boat

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Re: swamp runner engine kits

Postby northern hunter » Sun Oct 23, 2016 11:08 am

I bought the small kit from them last spring and I am very happy with it. I am running a 6.5hp predator on a 12ft. homemade duck boat. Only did the stage one kit on the motor and added electric start and charging system. It pushes my boat 21 mph with me and the dog and with two people and dog and gear it only does 14-15mph. But I am really happy with it, It will go where no outboard can for sure. you will need to find the right adjustments for it and prop size for boat and weight and it will be great. :grooving:
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Re: swamp runner engine kits

Postby Sandor27 » Mon Oct 24, 2016 7:28 am

Northern Hunter -

Can you elaborate on your electric start conversion? Do you have the Hemi or Non-Hemi predator? What flywheel did you go with?

And to see 21mph with the 5" pitch thai prop you need to be turning at least 5k rpm (assuming 15% slip). I assume governor removed...Is your electric start flywheel a billet wheel?

thx
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Re: swamp runner engine kits

Postby JuniorPre 360 » Mon Oct 24, 2016 8:07 am

I went with a Mud Skipper kit since it was about $200 cheaper with shipping. It's a great little longtail. The Swamp Runner would be a better choice, for a few good reasons, if you have the money. The only issue is making sharp turns in a river or channel since the shaft is almost as long as the boat. I haven't taken it through deep mud, but it will go through very shallow water as long as the bottom of the boat doesn't drag along the bottom.

The Predator engines are great. I have had one for a while now with a stage 1 kit installed (air filter, exhaust, timing key, jetted carb). I think the majority of the problems with these motors occur when people take parts of them out and upgrade the crap out of them. I posted a video not too long ago of a guy that did everything to his and the crank case split in half. He explains that it happened because the motor wasn't designed for running constant RPM's over what the factory said it should. If you want higher RPM's, go buy the 14hp. But that's just my opinion. The motor will last as long as you take care of it. Break it in with regular oil before installing it on something, regular oil changes, add sta-bil each time you put gas in it, and run the motor at least once a month.
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