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Old 03-15-2017, 06:32 PM   #1
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Default New engine???

Looking to get a new engine currently run OS Spec 3 its an amazing engine just looking for something smoother for buggy? Looking at mito 4 or OS b2102
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Old 03-15-2017, 07:52 PM   #2
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FX K3 or OS B2102 is what I would go with.
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Old 03-15-2017, 08:01 PM   #3
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FX K3 or OS B2102 is what I would go with.
What i like about novas and reds is there dirt ring underneath the head everytime i open one without the rubber gasket there is dirt present im sure it doesnt go in though!
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Old 03-15-2017, 08:06 PM   #4
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What i like about novas and reds is there dirt ring underneath the head everytime i open one without the rubber gasket there is dirt present im sure it doesnt go in though!
FX uses those as well. They are nice to have as it makes cleaning much easier if you ever need to pop the button off.

But really you cant go wrong with a B2102 or a K3. I have seen too many issues with Nova's as of lately to recommend them anymore.
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Old 03-15-2017, 08:22 PM   #5
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FX uses those as well. They are nice to have as it makes cleaning much easier if you ever need to pop the button off.

But really you cant go wrong with a B2102 or a K3. I have seen too many issues with Nova's as of lately to recommend them anymore.
Thanks yea leaning towards OS as they're pretty cheap in japan
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Old 03-15-2017, 08:43 PM   #6
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VS Rody OS Motor! But Spec III is where it is at.
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Old 03-15-2017, 10:06 PM   #7
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VS Rody OS Motor! But Spec III is where it is at.
spec 3 is what i have but need something smother for buggy!
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Old 03-16-2017, 04:26 AM   #8
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spec 3 is what i have but need something smother for buggy!
Have you tried going with a smaller carb insert first? But the B2101 was a lot smoother with less punch than the Spec II, which I am sure still holds true for the Spec III.

Rody released the VS Racing 2101B which is his version of the B2101.
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Old 03-16-2017, 04:43 AM   #9
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Between these two engines the O.S B2102 and the Novarossi Mito 4.
I think you should choose based on what you are looking for in the engine.
Both are good, I think you should choose the cheapest one.

Personal choice: Novarossi Mito4
Despite finding the O.S B2102 more performing.
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Old 03-16-2017, 04:52 AM   #10
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Currently running the Mito 4 and it has a ton of power in a buggy (Novarossi direct). OS has always been good motors for us (futaba pro shop-Japan) . I would stay away from FX, had someone locally buy one and it did not make it through a correct break in process before the rod broke.
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Old 03-16-2017, 08:50 AM   #11
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Currently running the Mito 4 and it has a ton of power in a buggy (Novarossi direct). OS has always been good motors for us (futaba pro shop-Japan) . I would stay away from FX, had someone locally buy one and it did not make it through a correct break in process before the rod broke.
how do you like ur mito 4 is it smooth or to much for buggy?
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Old 03-16-2017, 09:51 AM   #12
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how do you like ur mito 4 is it smooth or to much for buggy?
Its smooth, I wouldn't suggest running a 7.5 venturi as it is too much power as I found out last weekend. Probably go with a 6 or 6.5. The power band feels really linear which I like, almost like my ebuggy. I would go with a 9901 muffler and a 41021 header.

Another Nova Motor probably better suited for a truggy(but has been good in a buggy) is the Bonito 21-7 xlb, You would think a big power motor like this would have a tons of bottom end, but actually is very smooth on the bottom and has a ton of medium to high end power
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Old 03-16-2017, 09:54 AM   #13
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Its smooth, I wouldn't suggest running a 7.5 venturi as it is too much power as I found out last weekend. Probably go with a 6 or 6.5. The power band feels really linear which I like, almost like my ebuggy. I would go with a 9901 muffler and a 41021 header.
yeah that what the drake told me to run after he suggested os lol
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Old 03-16-2017, 11:47 AM   #14
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The REDS R7 is a great engine for buggy. Powerful, but with a controllable bottom end. And top end forever! The V4.0 was just introduced.
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Old 03-16-2017, 03:33 PM   #15
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The REDS R7 is a great engine for buggy. Powerful, but with a controllable bottom end. And top end forever! The V4.0 was just introduced.
Yea my first engine was an r5r but many people at ly track didnt like/recommend the reds r7 as they were hard to tune and maintain tune.
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