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Old 03-27-2010, 05:34 PM   #1
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Default RB Concepts Killer 9 Engine

Hi all! Anyone got the RB concept K9 Engine, Good or BAD engine???
Thinkin of droppin one in my Kyosho MP7.5 k2 BUggy for casual racing.
All advice thanks in advance!!!
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Old 03-27-2010, 06:10 PM   #2
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9 as in 9 ports????
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Old 03-27-2010, 06:28 PM   #3
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Default NO 5+2 POrts

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9 as in 9 ports????
Seems to be good Quality and sensibly priced!!
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Old 03-27-2010, 08:26 PM   #4
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Good motor, plenty of power and even better with ceramic bearings. 10 minute run times.
Only thing I don't like is the lack of bottom end punch in a truggy and it's quite finiky to tune.
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Old 03-27-2010, 09:45 PM   #5
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Originally Posted by pickle311 View Post
Good motor, plenty of power and even better with ceramic bearings. 10 minute run times.
Only thing I don't like is the lack of bottom end punch in a truggy and it's quite finiky to tune.
get the ofna JL for less... its the same engine... only difference is the carb does not take inserts.. its a 8mm carb
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Old 03-28-2010, 04:56 AM   #6
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Great engine, runs great with Jp-3 175.00 at nitrohouse The rb has nicer head and carb.
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