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Old 08-02-2007, 06:36 AM   #1
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Default RB R3

Is this a newer model of Rb or is it the same as the last V12 series? How does it comp[are to Nova 12 3sct?
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Old 08-02-2007, 06:57 AM   #2
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Is this a newer model of Rb or is it the same as the last V12 series? How does it comp[are to Nova 12 3sct?
The newer model is based on Nova engines, where the older one was based on Sirio. I have one of the newer ones. Still breaking it in but its showing some serious power already.
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Old 08-03-2007, 05:20 PM   #3
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The V12 is a nova based series. The Matrix was serio based & the R3 is nova based.
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Old 08-23-2007, 07:15 AM   #4
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The V12 is a nova based series. The Matrix was serio based & the R3 is nova based.
How is the R3 compared to the V12 series? What has been the most significant improvement so far aside from lower CG?
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Old 01-05-2011, 03:44 AM   #5
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anybody knows what size bearings this engine is using? i cant find on the rb site
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Old 01-05-2011, 06:20 AM   #6
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Is this a newer model of Rb or is it the same as the last V12 series? How does it comp[are to Nova 12 3sct?
The rbr3 is a newer series then the v12. The rbr3 has a longer stroke than the v12 series did.

It is comparable in power to the +12-3sct.
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Old 01-05-2011, 06:22 AM   #7
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How is the R3 compared to the V12 series? What has been the most significant improvement so far aside from lower CG?
The R3 has more power, and reliability than the older v12 series.
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Old 01-05-2011, 06:31 AM   #8
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anybody knows what size bearings this engine is using? i cant find on the rb site
Rear = 11.5X21X5
Front = 7X17X8
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Old 04-16-2011, 10:57 AM   #9
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Default Tuned pipe

I bought an R3 last year and love it. I also bought a T9RC with a 2604 pipe as a package deal. I ran the pipe on both engines and was happy. Unfortanately, the pipe was destroyed in a crash.
Is their a better pipe/ manifold combo out there? I'm thinking a med header with a 2668 pipe. Anybody else with ideas? tnx.
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Old 04-21-2011, 09:19 PM   #10
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What? No opinions from the RC Tech guys/gals? What about the 2660 with the KEL850 treatment?
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Old 04-22-2011, 06:49 AM   #11
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What? No opinions from the RC Tech guys/gals? What about the 2660 with the KEL850 treatment?
The 2660 works pretty well with the RB engines. The RB 2658 has more peak power than the Nova pipe. The new RB2668 is supposed to give more bottom end power. I will try one soon.
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Old 04-23-2011, 07:27 AM   #12
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Thanks! If it ever stops raining, I'll try the 2660. It was recommended by a couple of other guys.
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