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Dyno #'s on my Lawnmower inside!

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Old 05-08-2006, 01:46 PM
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Default Dyno #'s on my Lawnmower inside!

So 2000 Tran Zam and i got bored over the weekend and decided to fab up a direct port nitrous system for my Yard Machine Lawn Mower (mode:13AC762FA729). Stock its 13 1/2 hp.

we dipped the cam sprockets in brass for added strength and forged the bottom end so we wouldn't toss a spark plug bearing.

We decided to spray a 75 shot on it and made 106.3rwhp/112.7rwtq.

Let me say this thing is incredible. The mixture of the N20 and premix of 2 cycle oil and 91 octane made optimal HP to enrich the blades to cut the grass at a perfect rate. Its actually almost scary.



i rev this bad boy well past 7k where it peak hp is made and it send blades of grass flying with such a force. I even had a few stick into my fence.

i have to wear a body suit when i mow the grass now because i fear that one day one of the blades of grass well end up severing one of my limbs. my neighbors were looking at me as if i was some sort of alien reject, when i was wearing this body armored space suit. But i just simple smiled and waved back.
Old 05-08-2006, 01:47 PM
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Heres a dyno graph of the beast:



Thing is scary to ride on...

Might be a good challenge for the t/a, lol.
Old 05-08-2006, 03:03 PM
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HAHA, this guy is awesome... I've thought about doing the same thing on my rider.Unfortunately time=money and this is just crazy. I think some rednecks in the midwest actually race their lawnmowers... you may have a record holder there...
Old 05-08-2006, 03:33 PM
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I want Pictures and Videos right now Dammit!!!


john
Old 05-08-2006, 03:58 PM
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That thing must cary the tires across the lawn

Last edited by BADSZ28; 05-08-2006 at 04:06 PM.
Old 05-08-2006, 04:19 PM
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Damn I gotta do that to our 16hp B&S riding tractor. Towed a jetboat out of the garage (uphill) and to the front yard over the weekend with it, with ALOT of N20 I might be able to pull it to the ramp and out
Old 05-08-2006, 04:20 PM
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Originally Posted by Mcduffys
we dipped the cam sprockets in brass for added strength and forged the bottom end so we wouldn't toss a spark plug bearing.
Pictures and video as soon as possible. You will post pictures of this, it's one of those things you just have to see.

How the hell do you do all this? Forged mower bottom end? Does the trans seem to like it and do you have the bottle just sitting on the back of the mower. Just to freak out your neighbors more you should strap it to your back like a back pack. Nitrous bottle back pack, silver suit, and get a helmet, now that would be funny.
Old 05-08-2006, 04:22 PM
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You should go beat some civics with your mower
Old 05-08-2006, 04:22 PM
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Originally Posted by Charging TA
Damn I gotta do that to our 16hp B&S riding tractor. Towed a jetboat out of the garage (uphill) and to the front yard over the weekend with it, with ALOT of N20 I might be able to pull it to the ramp and out
With 100+hp I say it could do a lot more than that, it could probably beat a civic DX.

EDIT: Damn same time post and idea with the civic thing, Odd
Old 05-08-2006, 04:25 PM
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Originally Posted by Beaflag VonRathburg
With 100+hp I say it could do a lot more than that, it could probably beat a civic DX.

EDIT: Damn same time post and idea with the civic thing, Odd

Yeah weird, same idea same time
Old 05-08-2006, 04:30 PM
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Thats f'in sweet, i want in on this. I would love to do some civic hunting with my mower. Put some wheels on it !
Old 05-08-2006, 04:32 PM
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Originally Posted by mc01ta
Thats f'in sweet, i want in on this. I would love to do some civic hunting with my mower. Put some wheels on it !

SPINNNERS AND 2 15s to bump!!!!


-john
Old 05-08-2006, 05:46 PM
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Thumbs up

My Woman said put some T.V.S on that Beatch
Old 05-08-2006, 05:52 PM
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I think this is fake. Why does the dyno cross at ~4800? You guys have been fooled.

Last edited by Chadder; 05-08-2006 at 07:41 PM.
Old 05-08-2006, 05:53 PM
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Originally Posted by The Dragon
My Woman said put some T.V.S on that Beatch
Man, that thing is a rocket!!!

We've only been on it a couple times and the tires are starting to wear down a lot.

Im thinking whether or not if we should put a fogger plate on it...
Old 05-08-2006, 05:55 PM
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Originally Posted by Chadder
I think this is fake. Why does the dyno cross at ~4800? You guys have been fooled.
Because we are talking about a lawn mower motor not a LS1 lol!
Old 05-08-2006, 05:55 PM
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Originally Posted by Chadder
I think this is fake. Why does the dyno cross at ~4800? You guys have been fooled.
Only thing I can think of why it shows to cross at 4800 rpm is due to the wierd style of the graph, given the HP increments...
Old 05-08-2006, 05:55 PM
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Originally Posted by Mcduffys
Because we are talking about a lawn mower motor not a LS1 lol!
True, it is a much different motor then an ls1...
Old 05-08-2006, 05:59 PM
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Originally Posted by Beaflag VonRathburg
Pictures and video as soon as possible. You will post pictures of this, it's one of those things you just have to see.

How the hell do you do all this? Forged mower bottom end? Does the trans seem to like it and do you have the bottle just sitting on the back of the mower. Just to freak out your neighbors more you should strap it to your back like a back pack. Nitrous bottle back pack, silver suit, and get a helmet, now that would be funny.
Hahah, I can just imagine him riding around with a bottle attached to his back with a big "NOS" written on it, lol.
Old 05-08-2006, 06:04 PM
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thats more HP than some hondas that i know about.... lol... cant wait to see the vids/pics!!!



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