need new 12 engine
I'm now going on my 3rd season racing nitro sedan and have ran mainly Novarossi engines. Right now I'm running a keep on and I am very happy with it. Last season I ran the mUrnan rbm3 and loved that motor also.
Now, the keep on is a long stroke motor and the rb is not, can someone explain the difference? I like the feel of the short stroke better, but used a friends reds motor and really like how smooth the powerband was and that the power was there when it was needed. Im kind of torn between the Reds and the newest OS motor. If you were to buy a motor today what would you buy? Why? Thank you |
Novarossi virtus. It's the quickest out there at the moment. I've just moved from a keep on to a virtus and it's definitely quicker plus slightly better fuel mileage as well. I'm gonna try a murnan modded virtus soon. That thing will be incredible.
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Originally Posted by JOE SI
(Post 13233532)
I'm now going on my 3rd season racing nitro sedan and have ran mainly Novarossi engines. Right now I'm running a keep on and I am very happy with it. Last season I ran the mUrnan rbm3 and loved that motor also.
Now, the keep on is a long stroke motor and the rb is not, can someone explain the difference? I like the feel of the short stroke better, but used a friends reds motor and really like how smooth the powerband was and that the power was there when it was needed. Im kind of torn between the Reds and the newest OS motor. If you were to buy a motor today what would you buy? Why? Thank you |
1. Are you sure the RBM3 is not long stroke? I do not know, just curious where you got this info from. I recall reading it was long stroke.
2. Not to bash nova (I am a fan and for the past two years only have novas and nova based engines in my trolley), I know a guy who got the Virtus red dot and was quite disappointed vs the keepon and ORCAN GT3C. 3. I like the ORCAN gt3C best and the RS3 so far. Both are nova based but they require a very high level of maintenance (conrod) due to being close to the power and internal stress limits. 4. On any given day my favorite is a murnan 353C that is smooth and indestructible. Often, given thr mm353c's non-super explosive power I will run quicker laps with it. |
Originally Posted by HHH
(Post 13234334)
1. Are you sure the RBM3 is not long stroke? I do not know, just curious where you got this info from. I recall reading it was long stroke.
2. Not to bash nova (I am a fan and for the past two years only have novas and nova based engines in my trolley), I know a guy who got the Virtus red dot and was quite disappointed vs the keepon and ORCAN GT3C. 3. I like the ORCAN gt3C best and the RS3 so far. Both are nova based but they require a very high level of maintenance (conrod) due to being close to the power and internal stress limits. 4. On any given day my favorite is a murnan 353C that is smooth and indestructible. Often, given thr mm353c's non-super explosive power I will run quicker laps with it. |
Originally Posted by dan_vector
(Post 13234222)
Novarossi virtus. It's the quickest out there at the moment. I've just moved from a keep on to a virtus and it's definitely quicker plus slightly better fuel mileage as well. I'm gonna try a murnan modded virtus soon. That thing will be incredible.
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depends on what kind of track your going to race on. If your going to be racing on a high speed track or one with a long straight where you can get high speed. I would suggest a NOVA they have so much power and a lot at top end.
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Originally Posted by JOE SI
(Post 13234591)
I dont know if its long stroke or not.
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Originally Posted by JOE SI
(Post 13234597)
I would like to go for the virtus, but really hate paying for those rear bearings
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Originally Posted by dan_vector
(Post 13436005)
I've never had a rear nova ceramic fail or needing to be changed. It outlasts the rest of the engine! So long as you run good fuel it's not an issue.
I do want to try the virtus 12 eventually, just have no reason to replace what I have for now. |
Bearings usually go due to bad fuel. Use good fuel and tune well and the bearings will last a very long time. I don't bother with a front ceramic and stay with the steels and change them out more frequently if I start getting unstable idles etc but even then it isn't very often.
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I've just finished running in a new OS XZ-12 SPEC 3 engine. I couldn't believe how quickly it ran in and became stable compared to my usual novarossi's. I only got it as a backup backup engine as the price was right. It is incredibly powerful and linear in its power delivery. Sounds good too :nod: for the price I think it is a brilliant engine. I still prefer my nova virtus though which is more powerful overall once they finally run in!
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Hey guys, i'm going to kind of keep this thread going by posing another question. I need a .12 motor for my sedan that has a lot of low end. We have one straight that is maybe 25 yards long with only enough room to have about 10 yards of actual full throttle. Any suggested engines for a lot of lower end? What do you guys think of RB engines? I have one of those on my 8th scale 4wd cars and it rips!
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The nova virtus has stacks of low end torque. Probably the most of all the engines I've ran over the years. I recently tried the new PICCO .12 WC in Thailand and that was on par with the virtus low down. It had more top end than the virtus however. It may be my engine of choice for 2015.
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Originally Posted by dan_vector
(Post 13696384)
The nova virtus has stacks of low end torque. Probably the most of all the engines I've ran over the years. I recently tried the new PICCO .12 WC in Thailand and that was on par with the virtus low down. It had more top end than the virtus however. It may be my engine of choice for 2015.
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