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03.09.2009, 02:37 PM
Another thought - Is the set screw old? They have a sharp edge (cup) on the bottom that allows them to "bite" into the motor shaft. Over time this edge wears out and can allow the set screw to loosen up a lot easier than if it were new.
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz
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