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Old 04-22-2009, 04:28 PM   #1
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Default HPI RS4 Pro - Sprint Diff Compatibility

I have a question for those HPI experts. To save me the time of taking two cars apart, are the differentials interchangeable between the HPI RS4 Pro and the HPI Sprint? I want to use the ball diffs in the Pro in my wife's Sprint for VTA and want to lock one of the gear diffs and get a one-way for the Sprint so my wife can use the Pro for drifting.
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Old 04-22-2009, 05:21 PM   #2
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I doubt it as the Sprint was originally another company's car (Neo) before it were bought out by HPI. You never know your luck though - maybe Neo copied the HPI diff...
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Old 04-22-2009, 08:07 PM   #3
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No it won't fit. Based on the pics it looks closer to a Pro 3 diff.
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Old 04-22-2009, 08:10 PM   #4
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Yeah, I found the Pro's diff is narrower than the Sprint.
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