RCU Forums - View Single Post - What uprades can I make for HPI R40 Hara edition?
Old 05-27-2007 | 06:06 AM
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Scavolini
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Default RE: What uprades can I make for HPI R40 Hara edition?

How come all these racer kits have a higher ratio rear and a lowe ratio front end (based on pulleys and diffs)?

It seems like it limits the car's potential, no?