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Old 12-02-2009, 10:20 AM   #1
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Default Change spur or pinion?

I have a quick question...I am topping out on the straight too soon and I need to change my gearing. What is the best way to do this...bigger pinion or smaller spur. I am currently running a Hyper ST with a 52 spur and I believe a 13 pinion. I think it will be hard to get the 14 in there and if I put the 50t on there I will be able to slightly move the motor closer to the centerline of the truggy. What do you guys think?
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Old 12-02-2009, 10:27 AM   #2
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What motor/ pipe? It may be a limitation of the engine that gearing cannot fix. I usually run the stock gearing in ALL buggies/truggies that I have run. Never saw the need to mess with gearing. If I was topping out halfway down the straight... I strap up the SPEED Horse...
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Old 12-02-2009, 10:52 AM   #3
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changing spur gear is more granular. so it should help

52/13=4
50/13=3.85 so I would start with it
50/14=3.57 maybe too much. you have to try it
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Old 12-02-2009, 12:36 PM   #4
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Default Good question....

If you were using a larger bell than I would say go down on the spur side, it's a smaller change anyway, but your bell is small, go to a 14tooth bell. It will work perfectly....
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Old 12-02-2009, 02:53 PM   #5
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your gearing sounds really high to me/ I run a 14/48 It does good on big and small tracks.
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Old 12-02-2009, 02:57 PM   #6
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I am running a NovaRossi N21BF with a 086 pipe.
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