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View Full Version : WARNING!!! Don't get the GPM Pinion sets



ChrisOFNA
06-28-2006, 05:50 PM
Hello,

Just letting you guys know to not get GPMs 13, 14, 15 gear pinion sets. I have to get new pinions becuase the Set screws SHATTERED (not stripped, just shattered) in the gear and there is no way to get the screw out. $10 wasted...

AkRacingProducts
06-28-2006, 06:00 PM
Ya I wouldn't advise anyone to get any GPM parts. I've only heard horror stories about GPM parts. Stick with 3racing.

ChrisOFNA
06-28-2006, 06:11 PM
If I coulda found 3Racing pinions that would fit my car id get them (I use a mamba-sized motor), because i have literally changed all the gears in my tranny to 3Racing (I got the blue delrin gears).

MrUnlimited
06-28-2006, 07:55 PM
Anyone has expiriences with the Topcad pinions. What shaft size are they? Look here. (http://www.rcmart.com/catalog/product_info.php?cPath=144_653_695&products_id=15258)

ChrisOFNA
06-28-2006, 09:03 PM
they are 2mm shaft like the stock mini inferno pinion.

MrUnlimited
06-28-2006, 09:13 PM
they are 2mm shaft like the stock mini inferno pinion.
Mamba motors have 2mm shafts. Standard pinions for the half 8 are 2.3mm or more

ChrisOFNA
06-28-2006, 09:20 PM
ohy, well, yeah they are for the mini inferno motor :P