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MarkM 05-05-2015 02:35 PM
XB4 Gearing
 
looking for advice on starting pinion size for my 2013 XB4 (4wd) Ive looked in here but can only find info for 6.5 or quicker motors. Our club limit is 10.5, track is on high grip carpet and a section of medium grip wood. Its running the standard 81 spur. Got a Reventon Pro v1.1 esc and Trackstar 10.5 in it. I normally run a TC so got no idea where to start with a pinion size, any advice welcome :thumbsup:

fivepointnine 18-05-2015 05:58 PM
Quote:
Originally Posted by MarkM (Post 910930)
looking for advice on starting pinion size for my 2013 XB4 (4wd) Ive looked in here but can only find info for 6.5 or quicker motors. Our club limit is 10.5, track is on high grip carpet and a section of medium grip wood. Its running the standard 81 spur. Got a Reventon Pro v1.1 esc and Trackstar 10.5 in it. I normally run a TC so got no idea where to start with a pinion size, any advice welcome :thumbsup:
25 would be a safe starting point, check temps after a couple minute run and go from there


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