is it possible to build a 1000cc two stroke snowmobile engine to produce 1000hp without modding the frame and without anything sticking out of the hood or sides....im just wondering and sorry if this is the wrong place to be putting this

 

more than likely not. the frame would have to be strengthened

 

woops my bad by modding the frame i meant like making it longer to make more room for the engine ...alright we'll put it this way is there a snowmobile with a thousand horses that still looks like a regular snowmobile

 

I'd have to guess no...just because 1000cc really isn't much of a motor. I could see you being able to get a few hundred out of it with a strong block, turbo, and nitrous, but 1000hp would seem out of reach.

Besides, what would you need with 1000hp on a 300lb snowmobile? Unless you're trying to ride it up the side of Everest, you'd never use it.

 

I'm sure you probably COULD get 1000HP out of 1000cc, if it's 2-stroke and enough cash into the mods, but why? Even the 1000HP big-block engines don't last all that long, a small one like that sure wouldn't last very long at the RPM it would have to run. Then there's the rest of the driveline...

Jason

 

Yeh we don't even need to go there, lol. After about 250hp you need to start rebuilding drivetrain parts. I worked in the shop at a motorsports dealer ship back in the 90s and would occasionally come across the rare breed. There was a guy that had a Vmax 4 (4 cyl 800cc yamaha) that had a big bore kit, reads, larger carbs, bender racing pipes, and a twin turbo setup. He brought it down to us from canada because nobody up there could get it to run right, we got to run decent but never did get it tuned the way it really needed to be. I have no Idea how much power that thing made but he had a 160 and some od length track with a custom tunnel extension and lots of cross bracing up in the front end. I'm not sure what else he all had done but it was still breaking parts when you ran it hard and I'm sure he wasn't over 300hp!

Now todays sleds have come along way but 1000hp out of a 1000cc sled, be it a new Cat or an RX-1 or what ever, isn't gonna last more than about 2 passes down the drag strip. Trust me when I say that 250hp in a sled that weighs 500-700lbs is rediculusly fast, put on an asphalt track, some boggy wheels, and 130mph quarters are a peice of cake! Like anything sleds are money pits once you start the mods, the difference is you get to the point where you spend more time working on the dang things than actually riding them! Personally I've yet to meet someone that can ride a 700cc sed to its potential! I've watch lots of guys buy the biggest baddest thing out there only for them to have a hard time handling the power ecspecialy when you get into the twisties.

The only place I can see needing more than a 700 twin or triple would be on the drag strip (grass/ice/ or asphalt) or up in the mountians where lots of power and the longest track you can buy is the only way to go boondocking!

 

Top fuel dragster, 500 cubes, approx 8.2 liters.

HP: Well, they say 7000.

(http://www.nhra.com/streetlegal/funfacts.html

That's 853 hp/liter.

So go ahead and try to get 1000 horse out of your 1 liter engine.

 

It is doable in theory, Jaguar got 1,000hp per litre in an experimental F1 engine back in the mid-80's, but that was a 1.5l 4cyl, twin turbos, turning about 18,000rpms, and was only run on an experimental basis on a dyno.
1k per litre is doable, but the reliability isn't there, and the engine has to be built for it from the start: very short stroke, perfectly balanced, massive ports, rediculous compression (12.5:1+), massive boost, reinforced block, and then you'd get maybe one pass.

 

Thanks for the update, I forgot about engines like that. Seems I remember some Porsche with 92lbs of boost? Gotta look that up...

 

I can't see a 1000hp sled looking anywhere near stock. The 12" teeth on the track would be a dead giveaway.

1000hp sled, that's just plain suicide to me.

 

Instead of answering your question with a statement, I am going to answer it with another question.

Can you get a car to tow 40,000 lbs? If you know the answer to that, you know the answer to your question.

 

It sure would be fun......

 

I'd stick with this first post. You are NOT going to get 1000hp out of a 1000cc sled engine!

 

When I raced four wheelers there was a gut that put a 900cc rice bike motor in a 450r frame. Fast yes, driveable no. and he wasn't even close to 1000 hp. Just think what it would take to get 1000hp out of your truck.