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JThiessen · 01:59 PM

The motors are the same. However, the tranny gearing is different, thus you will need to use a different gear ratio. Do yourself a favor, go to the traxxas site, and download a copy of the 3905 owners manual. They have a gearing chart for it in there.
To go to a single servo, just go buy a high torque metal geared servo, put it in. Remove the other servo and the splitter from the reciever. Done. You will want a servo that has a minimum of 220oz-in of torque (I think that is what the stockers add up to).

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JThiessen RC-Monster Brushless Offline Posts: 2,436 Join Date: Nov 2005 Location: Edmonds WA	11.30.2008, 01:57 PM The motors are the same. However, the tranny gearing is different, thus you will need to use a different gear ratio. Do yourself a favor, go to the traxxas site, and download a copy of the 3905 owners manual. They have a gearing chart for it in there. To go to a single servo, just go buy a high torque metal geared servo, put it in. Remove the other servo and the splitter from the reciever. Done. You will want a servo that has a minimum of 220oz-in of torque (I think that is what the stockers add up to). Losi 8T 1.0, Savage Flux - XL style, LST XXL, Muggy, 3.3 E-Revo Conversion and sitting outside 425hp, 831 Tq Dodge Ram Turbo Diesel. It SMOKES Last edited by JThiessen; 11.30.2008 at 01:59 PM.