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R/C Tech Forums Thread Wiki: Xray T4 2016
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Last edit by: R Dodge
Welcome to the XRAY T4'16 Thread & Wikipost! Here you will find some useful info, tips and tricks as well as setups that are used by several team drivers. This wikipost is a work in progress and should continue to develop over time.

Tips & Tricks:

Alex Hagberg's Tech Tip Tuesday articles

How to mount your Protoform LTC-R Body
Setting static camber
How to mount weight on your chassis Part1
How to mount the rear wing on Protoform bodies
Simple troubleshooting guide
How to mount the battery on your chassis
How to glue your front tires for CRC Black carpet with Eric Anderson
Utilizing Exponential and RMode on the M12S
How to mount weight on your chassis Part2

Team driver Tim Wahl posted some very useful tips on Facebook as he worked through building a new kit.

1- Carbon Parts
2-Suspension
3-Solid Axle and Differential
4-Bulkheads & Drivetrain
5-Driveshaft (ECS & CVD)
6-Front & Rear Suspension
7-Tweak
8-Anti-Roll Bar
9-Battery Fix (OPTIONAL)
10-Bumper & Body
11-Shocks
12-Steering

New Graphite Hubs:
Xray have recently released some additional Graphite hubs for the T4 lineup. The 4° Graphite C-Hub has been out for some time and is known to improve steering on entry, and in general makes the car turn better. This has been the go-to c-hub on asphalt for many on the Xray team, though it is not needed on high bite carpet. The Graphite rear hub tends to make the car more stable, especially on corner entry. We are still working on gathering input on the new Graphite steering block, but for the moment feel that it should improve steering response. All Graphite parts are approximately 1g lighter than the Hard or Medium options.

Option Parts to consider:
XRA301196 T4 Graphite Upper Deck 1.6mm V2
XRA301226 Foam Bumper – Hard - highly recommend
XRA302165 Composite Front Suspension Arm 2-Hole – Hard
XRA302169 Composite Front Suspension Arm 1-Hole – Graphite
XRA302803 1.3mm Front Anti-Roll Bar
XRA303169 Composite Rear Suspension Arm 1-Hole – Graphite
XRA303802 1.2mm Rear Anti-Roll Bar
XRA305137 Steel Solid Axle Driveshaft Adapters - HUDY Spring Steel - highly recommend
XRA305242 Composite Drive Shaft Replacement Cap 3.5mm – Orange – Strong (QTY 4)
XRA305351 Aluminum Wheel Hub – Offset “-0.75mm” – Black (QTY 2)
XRA306191 T4 Graphite + Aluminum Fully Adjustable Battery Holder
XRA308264 4S Spring-Set Progressive C=2.5-2.8 (QTY 2)
XRA308276 4S Spring-Set C=2.7 (QTY 2)
XRA308286 4S Spring-Set C=2.6 (QTY 2)
Specific to Asphalt:
XRA302383 Composite C-Hub Right – 4* - Graphite (ECS)
XRA302384 Composite C-Hub Left – 4* - Graphite (ECS)
XRA308039 Aluminum Progressive Shock System – Set (QTY 2)

Specific to Carpet:

XRA301141 T4 Aluminum Flex Chassis 2mm
XRA302375 Composite C-Hub Right – 6* - Hard ***Modification may be required if they don't have the "ECS" stamp.

XRA302376 Composite C-Hub Left – 6* - Hard ***Modification may be required if they don't have the "ECS" stamp.

XRA303711-O Aluminum Rear Lower Suspension Holder – Front – RF
Recent Setups:
3 July 2016 - Alex Hagberg - European Championship - Asphalt - Mod - 2nd
3 July 2016 - Bruno Coelho - European Championship - Asphalt - Mod - 4th
3 July 2016 - Jan Ratheisky - European Championship - Asphalt - 13.5 - TQ + Win

29 June 2016 - Max Kuenning - Reedy - Asphalt - Mod - 4th
29 June 2016 - Keith Yu - Reedy - Asphalt - 13.5 - TQ + 2nd
29 June 2016 - Eric Anderson - Reedy - Asphalt - 13.5 - 3rd

15 May 2016 - Bruno Coelho - ETS Rd 4 Riccione - Asphalt - Mod - TQ + Win
15 May 2016 - Mattia Collina - ETS Rd 4 Riccione - Asphalt - 13.5 - Win

17 April 2016 - Max Kuenning - MHIC - Carpet - Mod - 4th

10 April 2016 - Bruno Coelho - ETS Rd 3 Wels - Carpet - Mod - 2nd
10 April 2016 - Alex Hagberg - ETS Rd 3 Wels - Carpet - Mod - 4th
10 April 2016 - Jan Ratheisky - ETS Rd 3 Wels - Carpet - 13.5 - TQ + Win

22 March 2016 - Paul LeMieux - Canadian Nats - Carpet - Mod - TQ + Win
22 March 2016 - Luke Pittman - Canadian Nats - Carpet - Mod - 3rd

6 March 2016 - Chris Adams - ROAR Nats - Carpet - Mod - TQ + Win
6 March 2016 - Craig Xavier - ROAR Nats - Carpet - 17.5 - 4th
6 March 2016 - Eric Anderson - ROAR Nats - Carpet - 17.5 - 5th

6 February 2016 - Bruno Coelho - ETS Rd 2 Koblenz - Carpet - Mod - TQ + Win
6 February 2016 - Alex Hagberg - ETS Rd 2 Koblenz - Carpet - Mod - 2nd

31 January 2016 - Alex Hagberg - Snowbirds - Carpet - Mod - TQ + Win
31 January 2016 - Jan Ratheisky - Snowbirds - Carpet - All - See Comments
31 January 2016 - Drew Ellis - Snowbirds - Carpet - 13.5 - 4th
31 January 2016 - Robbie Dodge - Snowbirds - Carpet - 17.5 - Win

13 December 2015 - Bruno Coelho - ETS Rd 1 Hrotovice - Carpet - Mod - 3rd
13 December 2015 - Alex Hagberg - ETS Rd 1 Hrotovice - Carpet - Mod - 4th
13 December 2015 - Olly Jeffries - ETS Rd 1 Hrotovice - Carpet - Mod - 7th
13 December 2015 - Jan Ratheisky - ETS Rd 1 Hrotovice - Carpet - 13.5 - TQ + Win

29 November 2015 - Paul LeMieux - US Indoor Champs - Carpet - Mod - TQ + Win

25 October 2015 - Eric Anderson - Stock Wars - Carpet - 17.5 - 2nd

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Old 10-12-2015, 12:58 AM   #136
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Just received my kit and good portion of options I ordered (some on back order!)

Looking forward to the build. Even the plastic bags feel higher quality (lols!) than what I'm used to 😀

For the seasoned T4 builders - anything to watch out for ??
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Old 10-12-2015, 01:51 AM   #137
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Quote:
Originally Posted by cplus View Post
Just received my kit and good portion of options I ordered (some on back order!)

Looking forward to the build. Even the plastic bags feel higher quality (lols!) than what I'm used to 😀

For the seasoned T4 builders - anything to watch out for ??
Only thing that springs to mind is not to bother with the thin O-ring in the diff.
It's very difficult not to accidentaly pinch it while assembling and then it leaks.
The team drivers don't bother either. Once the paper gasket has soaked some oil into it etc it seals fine on its own.

Skiddins
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Old 10-12-2015, 05:52 AM   #138
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Is this car available in the states yet? I see amain has it on preorder...
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Old 10-12-2015, 06:21 AM   #139
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Originally Posted by 3D-Seth View Post
Is this car available in the states yet? I see amain has it on preorder...
They should arrive any day now. I'll have them up on my site before weeks end as well.

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Old 10-12-2015, 10:35 AM   #140
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Originally Posted by 3D-Seth View Post
Is this car available in the states yet? I see amain has it on preorder...
Reflex racing will be the first ones to have them as they are based in Houston and rcamerica is in Dallas.
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Old 10-12-2015, 10:51 AM   #141
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Was told this am that shippments will be going out tomorrow
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Old 10-12-2015, 12:29 PM   #142
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Does anyone know what alu. servoarm fits Savox? Hudy does not fit according to the site (25t like Futaba). Radtec maybe?
Also how long should it be, C-C.
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Old 10-12-2015, 01:04 PM   #143
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Originally Posted by Lawson1307 View Post
Does anyone know what alu. servoarm fits Savox? Hudy does not fit according to the site (25t like Futaba). Radtec maybe?
Also how long should it be, C-C.
Savox is 25t like Futaba.

Length? No clue!
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Old 10-12-2015, 01:19 PM   #144
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Originally Posted by hyujmn View Post
Savox is 25t like Futaba.

Length? No clue!
Yeah I know, don't understand why it says "does not fit Savox" on the Hudy site?? Seems like 16mm C-C is good.
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Old 10-13-2015, 07:45 AM   #145
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Just some shots of the new car 😃





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Old 10-13-2015, 11:01 AM   #146
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Quote:
Originally Posted by Skiddins View Post
Only thing that springs to mind is not to bother with the thin O-ring in the diff.
It's very difficult not to accidentaly pinch it while assembling and then it leaks.
The team drivers don't bother either. Once the paper gasket has soaked some oil into it etc it seals fine on its own.

Skiddins
2nd that!
Quote:
Originally Posted by cplus View Post
Just received my kit and good portion of options I ordered (some on back order!)

Looking forward to the build. Even the plastic bags feel higher quality (lols!) than what I'm used to 😀

For the seasoned T4 builders - anything to watch out for ??
You'll find it a pleasure to build, enjoy. ....
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Old 10-13-2015, 12:28 PM   #147
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Quote:
Originally Posted by millbank View Post
Just some shots of the new car
Last photo: Rear body posts are mounted the wrong way. Now your rear upper links will rub against the body posts
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Old 10-14-2015, 12:03 AM   #148
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Quote:
Originally Posted by Govert View Post
Last photo: Rear body posts are mounted the wrong way. Now your rear upper links will rub against the body posts
No they're not as i shamfer the bottoms so the links don't catch. Its because i run a hpi scooby type c shell and with the body posts mounted the other way they come up in the rear wing mounts.
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Old 10-14-2015, 12:47 AM   #149
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Got one of these delivered today. I can't wait to start the build!

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Old 10-14-2015, 11:51 AM   #150
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It appears that this kit comes with 48p spur gear? My VBC was 64p... Is that correct? I have both 48p and 64p pinions, so don't really care, just want to confirm. Either really matter? Will be running asphalt most of the time more than likely.

Will be running 13.5 blinky, should I get a 92/96T 64p (or 78T 48P) spur up front?

Sorry, new to the XRay gang...

Seth
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