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Old 09-22-2018, 11:39 AM   #1
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Default GRC motor mount

https://www.ebay.com/itm/GRC-Aluminu...item2142cedbd7

anyone try this? how do you like it. thx
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Old 09-22-2018, 01:18 PM   #2
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Default Re: GRC motor mount

I think there's a thread on it here somewhere... believe it was a positive experience.

Looking into this myself, so far the motor mount has been the only let down of the chassis for me. Having quite a few issues with gear mesh on mine.
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Old 09-22-2018, 06:17 PM   #3
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Default Re: GRC motor mount

I got one not long ago but haven't got around to installing yet. Seems like it will definitely help maintaining gear mesh.

The same mount is significantly cheaper sold unbranded on eBay. I paid $23 shipped for mine.

https://rover.ebay.com/rover/0/0/0?m...2F163199159789
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Old 09-23-2018, 09:12 AM   #4
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Default Re: GRC motor mount

I installed mine and it is fine. The best thing about it is that the motor is held solidly so that you can check pinion engagement depth and mesh without the motor mount flopping around. My stock motor and pinion use the same mount holes as they did in the plastic mount. Traxxas should retool their moldings to be like this. A secondary benefit is that your motor is mounted on a big chunk of aluminum so a bit of thermal paste will give you extra cooling. The only thing that I don't like about it is that the screw at the top should be a flange head as it tends to slip off of the rear cover section with the stock screw.

Last edited by bbrigg; 09-23-2018 at 09:16 AM.
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Old 09-23-2018, 01:49 PM   #5
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Default Re: GRC motor mount

I don't understand all the whining about the stock TRX4 mount, I have four TRX4s now and also maintain a 5th belonging to my neighbor. I have not had any gear mesh problems on any of them.
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Old 09-23-2018, 02:41 PM   #6
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Default Re: GRC motor mount

I thought that the mesh issues were mainly coming from guys switching out the stock pinion. I also haven't had any problems with either of my TRX4's ( stock gearing).
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Old 09-25-2018, 07:25 AM   #7
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Default Re: GRC motor mount

Quote:
Originally Posted by Inspector86 View Post
I don't understand all the whining about the stock TRX4 mount, I have four TRX4s now and also maintain a 5th belonging to my neighbor. I have not had any gear mesh problems on any of them.
So are you saying that the motor mount plate doesn't flop around when you remove the cover?

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Old 09-25-2018, 08:12 AM   #8
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Default Re: GRC motor mount

Quote:
Originally Posted by Inspector86 View Post
I don't understand all the whining about the stock TRX4 mount, I have four TRX4s now and also maintain a 5th belonging to my neighbor. I have not had any gear mesh problems on any of them.
I agree Inspector changed to the 9 tooth pinion and having no issues at all. When I remove the cover the motor plate stays in place also so it's easy to check the mesh.
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Old 09-25-2018, 02:50 PM   #9
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Default Re: GRC motor mount

thanks getting one
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