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BuKu Speed Tune Clutch & RC Performance Products

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BuKu Speed Tune Clutch & RC Performance Products

Old 03-30-2011, 01:36 PM
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Default Buku 1/8 Clutch

Looking for any input on the buku clutch system.
Looks like a great idea.
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Old 03-30-2011, 02:39 PM
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got a link?
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Old 03-30-2011, 02:51 PM
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http://www.bukupower.com/Clutch.aspx
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Old 03-30-2011, 03:11 PM
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i have been running this setup for a month an love the way I can ajust it on the fly with out takin the cluctch all the way out of the car just a turn here and a turn there and u will take seconds off your time...also I would get the tuned pipe also,it complaments the clucth very well





chris mahlschnee

p.s pm me if you need any help
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Old 03-30-2011, 03:26 PM
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Default Buku Clutch System

We have been running these clutches for a month or so and run over 2 gallons in practice and racing trim with very litte wear. This is the best clutch that has come out for 1/8 scale racing EVER. Will take time off your laps and is so smooth you will not believe how much it will improve your driving skills.

Try it, you will like it,

Nitro Toys & Hobbies RacePlex
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Old 03-30-2011, 03:30 PM
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Do the screws in the flywheel stay put? Or do you have to locktite them?
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Old 03-30-2011, 03:58 PM
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Originally Posted by one8updragracer View Post
Do the screws in the flywheel stay put? Or do you have to locktite them?
I haven't had any problem with screws at all they sit in the flywheel kinda far in,so there is no problem with them coming loose or falling out. hope this helps!!
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Old 03-30-2011, 04:37 PM
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I have been running the Buku clutch since one of early prototypes. I have not had any failures of any kind. I ran one in my 8ight-T and then moved it to my 8ight-B last year with great results. The best stress test has been in monster truck. I have a Drag modified 8 port .28 in my Savage that has destroyed transmissions and diffs and this clutch handles the power with a breeze. This truck won me our local Big Block Mt points series and As far as the adjustment screw question, Dave turns the threads to a very tight tolerance for the adjustment screws and mine have never moved. The adjustments can be seen immediately after. You can launch at a variety of Rpms to suit your setup and track conditions. I like the the ability to have one shoe engage slightly earlier than the other two which yields a nice smooth launch with minimal wheel spin. One other thing I can say about Dave @ Buku is that he is always willing to get on the phone and help people out. Please understand he works alone and sometimes doesn't answer the phone when you call. Rest assured he will call you back and is very helpful with different setups.
oh in case your wondering, I do not work for Dave nor am I sponsored by Buku. Buku does donate prizes for our local No Limit Rc clubs yearly racing series and I got the pleasure of meeting Dave at the World Finals 2 years ago. Since then I have used a few of his products with great results. Don't be afraid to try this clutch out.
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Old 03-30-2011, 05:49 PM
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I like the concept. So you are adjusting the tension on just 1 shoe and the other 2 are set with the springs like normal?
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Old 03-30-2011, 06:48 PM
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nouset one then 2 and maybe 3 if u need to but I just did 1 and 2 on oval then,I did all 3 on my buggy depending on the track surface and size..nice to not having to pull the motor all the time.
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Old 03-30-2011, 06:57 PM
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I have one. All I can say is wow! I will never use any other clutch.
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Old 03-30-2011, 06:59 PM
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So you are adjusting the tension on just 1 shoe and the other 2 are set with the springs like normal?
You could do anything. Light shoe, medium shoe, heavy shoe in progression.
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Old 03-30-2011, 07:25 PM
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There really isn't a "Normal". They are set with even tension from the factory and you adjust them to suit your needs. Increasing and or decreasing the all the same amount keeps them engaging at relatively the same time. Then when you get them close to what you want you can play around with individual shoe engagement. It sounds a little tricky but it's really not too bad.
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Old 03-30-2011, 09:24 PM
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So how do you ensure each shoe has equal tension on them so that they engage all at the same time?
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Old 03-31-2011, 12:04 AM
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According to the instructions with the flywheel your best results come from the 3 shoes engaging progressively. Set 1 to start engaging just above idle. Set #2 to come in higher, etc. You will need to be able to hear the engine good the first times you make adjustments.

Only used it on oval so far. If you let it slip slightly before lockup the clutch shoes wear much more quickly than say a conventional clutch set up the same way with long lifr=e shoes.

Still in the learning stage, not sure if its a keeper yet or not. Let you know in a few gallons.
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