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Old 28-01-2014
Alisonomis Alisonomis is offline
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Default what gear pinion?

Hi guys just got a h2 pro presuming its a stock gearing what size pinion should I be running? It was bought second hand so cane with none
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  #2  
Old 29-01-2014
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adon30 adon30 is offline
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What motor are you running?
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Old 29-01-2014
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damo77 damo77 is offline
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24t is standard. I run 21t on both of mine with standard 78 spur and lrp 6.5 motor
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Old 29-01-2014
Alisonomis Alisonomis is offline
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I have a 21t but my hobbyking 13.5 won't move all the way over so won't connect
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Old 29-01-2014
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damo77 damo77 is offline
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it should do. ive had a 20t on mine, unless it has a smaller spur fitted. see what size the spur is. I have a standard spur or a 24 pinion if you need them. I found mine over geared on 24.
Damian
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Old 29-01-2014
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ive just checked the spur size. its 76t standard not 78t
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Old 29-01-2014
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I run 25t or 26t on a 7.5T hpi and think I had 27t on the 8.5T

Not sure on a 13.5T but the kit 24t may be a good start.
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Old 30-01-2014
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ant potter ant potter is offline
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Default pinion

im running 22 on a 7.5 seems to be good
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  #9  
Old 19-11-2014
Coopz Coopz is offline
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I'm running my H2 rear mount in the stock 17.5 class and I'm struggling for top speed. Running a Speed Passion motor car just seems to run out of legs halfway down the straight. Using the stock spur with a 30t pinion. If I use a bigger pinion the motor becomes to hot and it lacks low down punch to get over the double jumps. Guys in my class with the Losi 22 and the same motor seem to have more low down and more top end punch
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