What brand of snowmobile torque converter?

[xBrent92]

So the 3/4" bore can always be adapted to 1" clutch bore with an adapter, possibly more. Has anyone tried it? I am wanting to know what brand and name clutch can be used. Mainly 3/4" or 1" snowmobile Torque converters.

I am asking because the power and rpm i need will exceed a gokart torque converters rating. I have dreams of building a light weight performance car. It would be a ton easier with help BUT don't expect it any time soon because i'm searching for jobs for extra income. But once it gets done i would be more than happy to show it off.

Best part is the total cost would be less than $5000 !,If i custom fabricate the vehicle my self. Should include custom design fiberglass panelling and roll cage too.

 

[bruces]

Snowmobile torque converters are tapered shaft ,if you want info on them a comet catalogue would probably be the best to find general info about sizing ,application etc .

 

[MikeBear]

Wouldn't snowmobile torque converters also be for 2 stroke engines? Meaning they probably don't engage until you have much higher rpms going. So, if the engine you are going to use is a 4 stroke, that might cause issues since they run at lower rpms.

 

[bruces]

Yes ,most used to be two strokes but since the 2000's many have switched to four stroke engines .Most of the aftermarket clutches have different calibrations available , so pretty sure he can come up with something that would work .

 

[xBrent92]

Wouldn't snowmobile torque converters also be for 2 stroke engines? Meaning they probably don't engage until you have much higher rpms going. So, if the engine you are going to use is a 4 stroke, that might cause issues since they run at lower rpms.

Thanks for running that by me. Very valuable info right there.
So i searched and the lowest RPM engagement i heard someone run so far was 3500RPM.

I haven't researched how to tune a snowmobile clutch yet to see if i can bring the engagement much lower.
i guess it will come down to clutch tuning. gear ratio, tire size, and perhaps fine tuning the engine as well such as camshaft choice.

 

[FirePowerMinis]

Golf carts use CVTs of same design, and engage low & slow. Heavier weights, softer springs.
Most use the same 30mm tapered shaft like modern sleds. Adapters for the shaft are available.
3 4" Gas Golf Cart Tapered Drive Clutch Shaft Adapter Predator Honda Clone Motor | eBay

Also, Comet and others make clutches for the straight shaft. 780 model comes all sorts of ways.

3/4" engines normally don't make the torque to push a 4-wheel vehicle well, unless very light and low drag.