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HPI Pro3 Drivetrain Question

HPI Pro3 Drivetrain Question

Old 06-11-2004, 08:30 PM
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Default HPI Pro3 Drivetrain Question

I have let me car sit for quite some, and I picked it up today, to run the car, and my drivetrain is tight. Not nearly as loose and free as it used to be. I do not have any idea of where to start. Any ideas on what could be causing the binding?
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Old 06-11-2004, 10:21 PM
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take the belts off and soak 'em in WD-40 overnite. first try by-running the car with the lowest turn motor your speedo can handle (gear accordingly to prevent heat failure). hey, while the car is apart you may as well sevice or replace ALL the bearings.

find a clean flat area and wring the car out for 5 minutes. if things are still tight then re-adjust belt tension by resetting the square "cams" that support the diff & bearings.


happy racing!!!
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Old 06-11-2004, 10:23 PM
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i know it seems a little jumbled but you know what i'm tryin' to say.
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Old 06-12-2004, 08:46 AM
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You may also want to check all the bearings... I know it's painstaking to take the whole car apart, but there are times when the grease inside the bearing(kit stock bearings) dries up and builds thick goo inside. This happens to me on some old cars I have. And there are also times when the bearings starts accumulating rust... if that is the case, it's definitely not good!
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