Changing The Spring Setting On a 30 Series Torque Converter - How To Get More Torque

Ebay 30 series torque converter spring adjustment on drift kart.

[@nicky_animates2787]

thank you, Im glad there is smart people out there that you can actually learn shit from

[@samsgarage1716]

Great video and thanks for the information

[@10lhskater]

Wow! Thank you so much for this video.

[@josue5852]

should try upgrading the garter springs on the driver, raises engagement speed and lets the engine rev out before it shifts over, very huge upgrade

[@jwsbackyard6413]

I’ve got quite a few sets for different rpm’s, just haven’t got around to seeing what rpm works best yet

[@davedave9552]

This video is golden for a guy like me, no experience on the clutches and I just got a go cart.

[@edwardscissorhands7550]

So green spring in hole 3 wit a 8t drive sprocket and a 54t axle sprocket with 5in wheels will burn rubber in the street

[@timcooper1926]

Thank you

[@CharredSteak]

The little 4hp diesel on my minibike needed all the help it could get lmao. Actually debating going to a stiffer spring, but this helped a lot in the meantime

[@jwsbackyard6413]

If the engine is lacking power I have had some issue with some of my heavier karts where the engine didnt have enough power to get the belt to the final drive position with the stiffer spring. So it would be stuff about halfway upper or down the pulleys and not be able to get it any farther.

[@CharredSteak]

@@jwsbackyard6413 Yeah i need to get a lil larger rear sprocket for this one. Can't get the TC to come out all the way unless its going downhill

[@jwsbackyard6413]

@@CharredSteak yeah I had the same issue with my diesel. Had to end up increasing the size of the sprocket on the jackshaft to get it to come all the way out.

[@dt9094]

Gotta match? Kidding 👍

[@THECHOSENONE-bk7xg]

LOL @ 5:42 reminds me of Super mario kart for SNES slipping on a banana. P.s. re film with red hat and shirt, blue overalls haha

[@squirrelman231]

So my torque converter is new and its hooked to a 301. I noticed once I got everything aligned properly that it seems to hold at max rpm at around 15 mph for a few seconds before finally dropping rpm and begin to finish top end. Should I go up or down on the holes to get it to hit top end sooner?

[@jwsbackyard6413]

You would want to go backwards in holes. So go to hole one rather than 3. That will reduce the tension on the spring and it should start changing the gear ratio sooner.

[@Jeffrey314159]

Will chain belts work on these torque converters aka CVTs?

[@jwsbackyard6413]

I mean if you could find a chain belt that was the correct length and shape it may work. I would wonder how quickly it would wear out the converter surfaces though.

[@JNC1973]

That's pretty cool. I can honestly say until I saw this video I have never seen a Go-Kart do wheelies before lol. Anyway I just finished installing a new Torque Converter on my 196cc Mini Bike and it has the Red Spring on it now set into the #2 hole. If I went the opposite of what you did and put the spring in the least amount of torque hole would I definitely get a higher top speed out of it ? The way it sits right now in the middle hole I am able to get 40 - 41 MPH. How much faster would I get up to if I switched holes ?

[@jwsbackyard6413]

Changing the spring setting won’t change top speed because the finally gear ratio will always be the same. You would need to either use a smaller sprocket on the axle or larger sprocket on the driven side of the torque converter to get more top speed.

[@JNC1973]

@@jwsbackyard6413 Ok yeah I already switched out the 10 Tooth Sprocket for an 11 Tooth on the Driven. So if I moved the spring to the most torque possible hole and got that really good torque at take off my Top Speed would stay the same as it is now and I'd have better take off ? That's great !! Think i'll do that then.

[@jwsbackyard6413]

@@JNC1973 Yeah you get a little extra torque but the final gearing will be the same. Changing the spring setting just changes the rpm at which the pulleys start changing their ratios so you are in the lower gear ratio for longer.

[@user-hd1ow8pg4i]

@@jwsbackyard6413 Так из-за того что торкдрайверу тяжело раскрываться, ремень начинает гореть!

[@DarrenGronholz21]

I am going to add a torque converter to my drift trike for sure now . What size are those back tires i need those ?

[@jwsbackyard6413]

@DarrenGronholz21 they are 12x9-6

[@Jcslim138]

Do you have a link for the same eBay torque converter ? Like the same eBay store you bought it from lol. You gained a sub

[@jwsbackyard6413]

Sorry man I don't. I've got two from two different vendors on eBay and they both work great. It looks like the prices have went up since I last bought mine. They are around $80 to $100 now.

[@jwsbackyard6413]

and sorry for the late reply, you doesn't update me that people have commented.

[@doitfordale7599]

So I have a question my torque converter is mounted opposite of yours as in the bell part is in front and the spring clutch is in back is mine wrong?

[@jwsbackyard6413]

No you can mount it in any orientation and it will work the same. Most people mount it like you have but I had to mount mine forward because of clearance issues. You could even put it straight up and down if you wanted.

[@andresgarfias1941]

Hey bro I’m curious on how you put the torque converter on like the chain pointing to the front instead of the back

[@jwsbackyard6413]

Just flip it around pointing forward and find the bolt holes that line up with it in that position. You'll have to grind some of the fins off of the mounting plate so the chain won't rub.

[@andresgarfias1941]

Joshua Warren cool I was just curious cause I need to do it to my go kart but I had no idea on how it’ll come out and how it’ll perform , have you gotten any issues because you set it up like that?

[@jwsbackyard6413]

No problems at all

[@jwsbackyard6413]

Thanks for the info. I did t know they made a steel plate. I have two of these with aluminum plates that I’ve ground quit a bit of material off of and they haven’t broken yet. Just made another video about mounting it backwards also.

[@BunkerBlog]

Do you notice any difference in top speed when you change the holes? I've been trying to find an answer but nobody I asked seems to know. If you change the hole to 3 and still get the same (if not more) top end I don't see the point in using any other setting.

[@jwsbackyard6413]

The spring setting only changes the rpm at which the pulley engages and starts to change the gearing ratios. The final ratio will be the same so the top speed won't change.

[@maacpetzol2205]

@@jwsbackyard6413 say my mini bike has too much low end torque and just does wheelies with the slightest tug of the throttle, will putting it to "1" help with that

[@jwsbackyard6413]

It may help with that. It may still have to much torque to stay down though. If you can’t get it to stay down by going to the 1st hole swapping to a smaller wheel sprocket or a larger jackshaft sprocket on the converter may help reduce the torque and will give you a little more top speed.

[@garykeenan3724]

Won’t change speed cause same sprocket ratios

[@garykeenan3724]

Quicker hook up like dumping clutch instead of easing out on the clutch

[@VTI2CLN]

My torque converter slips when I get it gas should I adjust The spring up or down ?

[@jwsbackyard6413]

The spring setting probably wouldn’t be the cause of that. Make sure the belt isn’t dry rotted. Also the belt is directional and has a flat side and an angled side. The flat side should be closest to the engine and the angled side should be facing out. If it’s not a belt issue the cart may be a little to heavy for the converter.

[@greasyreesey4772]

When you swapped it to the 3rd hole did you notice any difference or not really...?

[@jwsbackyard6413]

This kart had quite a bit of torque already and doesn’t get good traction in the grass as it Was built to be a drift kart so I haven’t really had enough traction to really tell and I’d expect it would add some torque but not enough for me to feel since it was already over powered.

[@cmh-re]

That setting is needed for low power engines, like a 6hp. Increasing rpms of the motor before changing transmission ratio will also increase power output from the motor. Mine had so low power that it couldn't open the transmission the first time i tryed. It was like getting half the speed I calculated based on transmission maximum ratio, aerodynamic drag and power

[@Cornfed__]

There is no transmission

[@thedude7726]

@@Cornfed__ this tourqe converter is a transmission bud

[@Cornfed__]

@@thedude7726 no the torque converter is essentially the clutch not the transmission

[@Cornfed__]

@@thedude7726 that would be like saying a torque converter on a car is the transmission

[@j3tt436]

@@Cornfed__ lol no, the “torque converter” is essentially a cvt (continuously variable TRANSMISSION) that changes gear ratio.

[@erikhamilton4866]

Is that the china made tourqe converter? Is that a spring for a comet converter? Wondering because I have the china made tourqe converter and need a new spring for mine. All I can find is one from comet

[@jwsbackyard6413]

Yes it is a Amazon/eBay torque converter. The parts and springs are interchangeable between the knockoff torque converters and the comet as long as they for a 30 series.

[@thejohnlongdong]

About how much rotation do you put on spring like a 180 or what ?

[@jwsbackyard6413]

It more like 90. Go power sports has a good video on how to set the pre load with an explanation that is a bit better than mine that may be helpful.

[@brodygooch6615]

What’s that tool called you used? Too take the clip off

[@jwsbackyard6413]

Snap ring pliers

[@dnafpv]

My drive pulley is not expanding at any rpm. It’s the same one you have but on a full size dirt bike. Could my bike be too heavy?

[@jwsbackyard6413]

Weight wouldn’t cause it not to expand at all. I’d take the driver off and make sure something isn’t wedged or blocking the inside bell from moving. The brass bushing is known to get wedged and not allow the driver to expand or retract.

[@dnafpv]

@@jwsbackyard6413 I put the bike back up on a stand with no load and it works properly. It just won’t work with me on it, if it’s not weight what else could it be?

[@jwsbackyard6413]

@@dnafpv what engine are you using? Sometimes the converter won’t fully change the pulley ratios if the engine is under powered or the gearing is too aggressive torque wise. It would still expand some though just not through the full range. I’d also make sure the belt is good and in the correct orientation with the slanted side of the belt facing outwards and the flat side facing the engine.

[@dnafpv]

@@jwsbackyard6413 can’t say for sure what the motor specs are other than it’s a 48v setup but it is for sure underpowered since I’m on a full size motorcycle plus I’m 240lbs and it’s for a lawn mower engine, not sure I can get heavier weights for these 30 series units so I may need higher voltage and or a bigger rear sprocket? Sound like I’m on the right track? Sure appreciate your help man

[@jwsbackyard6413]

@@dnafpv I was messing with one of my heavier karts today and it was struggling to start moving with the eBay/Amazon driver but worked fine with a comet driver I have. You may be on to something with the bike and you being to heavy. A driver with more clamping force may be the solution.

[@thejohnlongdong]

Dude that makes so much sense do you realize all these fools on you tube show the converter pulleys flip flop , everyon has the spring pulley in back !

[@airsoftgodfather]

Thank you, now I won't be on my back in the front yard lmao

[@user-ll8zo7om4d]

The front of the pully on mine don’t come off for some reason 😊

[@jwsbackyard6413]

Did you take the retaining clip off? If you did it may need a tap with a hammer or some wiggling

[@Mr23truth83]

When you preloaded it counterclockwise, how many times did you turn it?

[@jwsbackyard6413]

About half a turn

[@Deucealive75]

Yeah I couldn't tell because of the editing at that point. That yellow spring is a SOB. Joshua Warren must be very strong.

[@ericnestor5072]

Noticed you "preloaded " the spring counter clockwise making the spring bigger. Your number holes were then on the top rather than the bottom where you took them off. To preload wouldn't you want to make the spring tighter/ smaller by turning clockwise?

[@jwsbackyard6413]

If you look at the orientation of the spring and it’s design it is meant to be wound counter clockwise which makes it smaller.

[@cervantae8825]

My top plate is stuck on what should I do

[@jwsbackyard6413]

Did you remove the retaining clip? If so try to twist it so that the buttons on the top cap aren’t touching the back plate then try to shimmy it off.

[@jaydaplug3906]

Mine wont come apart... i took the snap ring off and it just wont come apart. Ive tried rotating it, pushing down, gettin mad n pullin out a mallet.. it wont come off

[@jwsbackyard6413]

Heat really helps get things loose. I would hit it with a torch and maybe some lubricant

[@jaydaplug3906]

Tried wd 40. Abouta hit it wit a blow torch. If it dont work imma jus buy a new one. Jus spend 300 on upgrades too n for this to not wanna work with me.... its irritating

[@jaydaplug3906]

@@jwsbackyard6413 got it done. Thanks man, your video and ur help really helped alot

[@jimbojones7044]

My belt gets too far down into the driven pully and gets wrapped up and stuck.. Could adjusting the spring/torque setting prevent this??

[@jwsbackyard6413]

No it more than likely wouldn't help with that. It's been a while so I can't remember exactly what fixed it but I had a different torque converter that used to do that. I can't remember if it was just the belt needing replacing, of the belt was on backwards (there is a flat side and an angled side to the belt and the orientation matters), or if the belt was just to small but those are all things I would look at.

[@jimbojones7044]

Cool thanks ill look at that

[@jimbojones7044]

The whole setup and belt is brand new so ill check the belt

[@ericm3836]

@@jimbojones7044 did you figure you belt situation out mine is doing the same thing I've ordered different brand belts and same thing ?

[@Bigbossblake1]

Did it work?

[@jwsbackyard6413]

Yeah if you watch to the end it does wheelies when it wouldn’t do it before

[@larrytemen4789]

You marked the holes backwards. The tighter the spring the the more it will open and drop the belt farther down. It’s actually for more speed. Not TQ. red in the tightest hole will give you the highest speed with that spring. The difference is more noticeable when you start adding power or don’t have as much power. Red is for your 4k or so rpm 6.5 hp motors. When you start getting into the 8 hp you’d used the green. Too much spring on a motor that can’t handle it will actually cause your performance to drop and bog the motor basically.

[@jwsbackyard6413]

I actually thought I had labeled them wrong a while back and looked back into it. Every source I have looked at have it labeled the same as I do and based off of the results I have had I’m pretty certain they are labeled correctly. Also per comets manual they specifically say that increased spring tension changes the rpm range at which the converter changes into high gear. This would keep the converter in a gear ratio that produces more torque for longer and wouldn’t effect the finally gear ratio or speed. I’ve seen the video I think you are referring to and the difference in speed between the settings is related to the engine not being strong enough or able to turn enough rpm to overcome the spring and reach the final gear ratio. I’ve had this happen on some of my heavier karts where I had to lighten the spring tension to help the underpowered engine reach the finally ratio of the converter. Top speed isn’t the intended purpose of the spring positions though.

[@Psy6o]

Mine is backwards from yours I have the smooth pulley on the front

[@jwsbackyard6413]

You can put it in any orientation and it will work the same.

[@slimyelbow]

But..did u notice a difference?

[@jwsbackyard6413]

It definitely changes the engagement rpm but I haven't driven it anywhere since the video where I had enough traction to really tell how much it may have added.

[@psychologicalsigma9917]

I thought green spring was the fastest?

[@jwsbackyard6413]

The green spring is the factory spring that comes on a genuine comet torque converter. It is supposed to be the same spring as the red spring which is the factory spring on the knock off converters. The yellow spring is much stiffer and delays the driven pulley from opening up for a few extra hundred rpms which makes better torque and better acceleration.

[@psychologicalsigma9917]

@@jwsbackyard6413 thank you kindly!

[@mannyquin9192]

The videos I’ve seen show the holes in the opposite order. One should be three and three should be one.

[@jwsbackyard6413]

All of the sources I’ve seen have the holes in the order I have them. A lot show it with the holes at the top of the pulley which makes it look backwards but of the holes where rotated to the bottom of the pulley they are in the same order.

[@xaviermccloud4586]

That belt was waaay to big. I bet it was a 203591. You are eating up belts because of this.

[@jwsbackyard6413]

It actually works fine. I’ve been using this same belt for at least 2 years now.

[@xaviermccloud4586]

@@jwsbackyard6413 ok cool.

[@theonewhoknows2]

​​@@xaviermccloud4586 lol not a problem. Whyd you think he was chewing up belts? Wasnt that big