Headache tq

[Kennycash12]

Okay so I bough a sleeve to turn my 212 3/4 shaft into a 1in shaft to use the torque converter I had that was brand new.. but the problem I'm running into is that the tq part are keyed to slide into the groove but the sleeve is also keyed to slide into something like male female but there both males so it won't work and I'm not sure if I can find a torque converter that will fit my shaft that is 3/4 and also 420 chain. Will a 41 work on 420 chain ? I don't want to have to buy new sprockets and everything considering what I have is all brand new


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[Bbqjoe]

You might need to find a gay torque converter.

 

[Kennycash12]

You might need to find a gay torque converter.

Can I run 420 chain on a 40/41 torque converter


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[Bbqjoe]

Yes.

 

[bob58o]

I stared at it for almost two minutes and the best I could come up with was to use half of each key.

Cut the stepped key in half, then grind away half of the key inside the bore of the Driver unit.
Not sure if something like that could even work.

So use the "now shortened" stepped key closest to the block to hold the adapter sleeve with the crank.
Then on the outer part of the crank use the "now shortened" key inside the driver unit.

My ideas usually suck. LOL

Or I'm not sure if set screws alone could hold the adapter sleeve in place with out the stepped key?

 

[Kennycash12]

I was gonna do that but not sure if there's gonna be enough meat on the keys to last


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[bob58o]

Not sure people feelings about drilling and tapping into the crank shaft, but maybe you could do that, then put a set screw or two through the sleeve and actually into the crank (eliminating the need for the stepped key).

---------- Post added at 03:47 PM ---------- Previous post was at 03:45 PM ----------

Or offset the keyways, drill through the sleeve, use a 3/16" (#10?) set screw that will fit inside the 3/4" shaft's 3/16" keyway.

 

[Kennycash12]

I was thinking the same thing just don't know how safe that is


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[Kennycash12]

Yes.

Hey joe I've been doing some looking could I just use my old torque converter and buy a new driver pulley that fits instead of a whole new unit ?


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[Bbqjoe]

Try anything I guess.

 

[bob58o]

Well there is a 44 series 3/4" Driver Unit that uses the 7/8" belt.
I think it can be used with the 40 series driven. They both use the same belt. I just don't know the length you need. And when I see at gokartsupply.com it costs $150 for the driver unit.

How come nobody asked for pictures yet.

 

[Kennycash12]

Well there is a 44 series 3/4" Driver Unit that uses the 7/8" belt.
I think it can be used with the 40 series driven. They both use the same belt. I just don't know the length you need. And when I see at gokartsupply.com it costs $150 for the driver unit.

How come nobody asked for pictures yet.

Okay I'll get you some pics to show you what's going on



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