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Xray T3 2011

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Old 05-08-2011, 09:24 PM
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Originally Posted by rcfiend View Post
What spur gear are you guys running for 17.5 non boost?
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Old 05-08-2011, 09:28 PM
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Originally Posted by light View Post
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How are you adjusting the rear motor screw?
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Old 05-08-2011, 09:42 PM
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Originally Posted by Fred Hubbard View Post
To add to that, the car will change direction faster which is really apparent on tracks with chicanes. Since our asphalt and carpet tracks over here in the U.S. tend to have more grip than Euro style tracks we pretty much run them 99% of the time, 50mm driveshafts that is.


Hi Fred, do the ECS driveshafts wear out and require complete replacement or are the wear parts easily purchased at a cheaper rate?

Is 50mm what you use with the NT1 gear different too?
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Old 05-08-2011, 10:10 PM
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Here is what I see when trying to adjust the rear motor screw. The button head screw will not fit through the the large hole on the 96 spur gear and I don't have enough room to insert the driver to adjsut the rear screw either.

Am I missing something?
Attached Thumbnails Xray T3 2011-rear-motor-screw.jpg  

Last edited by rcfiend; 05-08-2011 at 10:11 PM. Reason: correct typing
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Old 05-08-2011, 10:15 PM
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i tighten the front screw then pull the top deck and lift the spur out and then put in and tighten the rear screw its a pain but it works
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Old 05-08-2011, 10:24 PM
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Originally Posted by 303slowdown View Post
i tighten the front screw then pull the top deck and lift the spur out and then put in and tighten the rear screw its a pain but it works
Ok, I figured it was something like that. It's clear the car was designed for mod racing. Their spur gears have larger holes and allows them to adjust that rear screw.
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Old 05-08-2011, 10:51 PM
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Originally Posted by Tron View Post
Hi Fred, do the ECS driveshafts wear out and require complete replacement or are the wear parts easily purchased at a cheaper rate?

Is 50mm what you use with the NT1 gear different too?
Hey Brett, eventually the parts do wear but of course wear is a function of how much power is run in the car. Even in mod I don't replace parts that often. Yep all the parts can be purchased separately. With all the current gear diffs available we have to run 50mm shafts...for the moment.
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Old 05-09-2011, 04:38 AM
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Originally Posted by rcfiend View Post
Ok, I figured it was something like that. It's clear the car was designed for mod racing. Their spur gears have larger holes and allows them to adjust that rear screw.
Our you can open that one hole up with a reamer or drill. Just go in and make the opposite hole the same size to keep it balanced. This is what I have done in the past. Your taking so little material off you probably dont really even need to do the opposite hole but I did anyway.

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Old 05-09-2011, 05:48 AM
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I've simply gone to using a 2.0mm ball end driver for the rear motor screw.
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Old 05-09-2011, 05:56 AM
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Originally Posted by rcfiend View Post
Ok, I figured it was something like that. It's clear the car was designed for mod racing. Their spur gears have larger holes and allows them to adjust that rear screw.
17.5 non-boost (or VTA) is probably the only class that would have problems. I run 17.5 boosted with a 114 spur and no problems at all.
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Old 05-09-2011, 07:12 AM
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Originally Posted by EAMotorsports View Post
Our you can open that one hole up with a reamer or drill. Just go in and make the opposite hole the same size to keep it balanced. This is what I have done in the past. Your taking so little material off you probably dont really even need to do the opposite hole but I did anyway.

EA
EA thanks for your suggestion. I was thinking of doing the same thing.
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Old 05-09-2011, 07:13 AM
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Originally Posted by ChrisP View Post
I've simply gone to using a 2.0mm ball end driver for the rear motor screw.
Not sure how this helped, unless the 2.0 screw is smaller. What size is the screw?
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Old 05-09-2011, 08:15 AM
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Originally Posted by rcfiend View Post
Not sure how this helped, unless the 2.0 screw is smaller. What size is the screw?
He means using a 2.0mm wrench that has a ball tip instead of straight. It allows you to use the wrench at an angle.

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Old 05-09-2011, 08:25 AM
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Originally Posted by M-Technic View Post
He means using a 2.0mm wrench that has a ball tip instead of straight. It allows you to use the wrench at an angle.

Ok, I understand now. That's another great option. Thanks for the feedback everyone. Looking forward to putting some laps on the new car!
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Old 05-09-2011, 08:25 AM
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Does anybody have a good source for ceramic diff balls and thrust bearings for the Xray diff? Within the United States, preferably.

The diff balls are 2.4mm and the thrust is 3x8x3.5mm.

Thanks!
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