Dyno #'s on my Lawnmower inside!
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. 
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. 
On The Tree
Joined: Jun 2004
Posts: 167
Likes: 0
From: south county, STL
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...
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
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
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.
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.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
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
EDIT: Damn same time post and idea with the civic thing, Odd
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
EDIT: Damn same time post and idea with the civic thing, Odd
Yeah weird, same idea same time
Originally Posted by The Dragon
My Woman said put some T.V.S on that Beatch
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...
Originally Posted by Chadder
I think this is fake. Why does the dyno cross at ~4800? You guys have been fooled.
Originally Posted by Chadder
I think this is fake. Why does the dyno cross at ~4800? You guys have been fooled.
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.
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.
