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Old 03-23-2015, 06:32 AM   #7666
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Got to drive my xb4 yesterday, its got kit setup as far as I can tell, need to verify the diff oils from my friend, but I like it alot, steers a lot more than my 44.2 could ever hope too. I ended up bending the FF holder, are there any fixes or options on that, I don't know that I want to run a bumper.
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Old 03-23-2015, 07:07 AM   #7667
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Quote:
Originally Posted by raved007 View Post
Go back to slipper pads more power and down my laps from 18's to 17's
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Originally Posted by DIRT DIGGER View Post
the slipper is better than the gear diff?
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Originally Posted by raved007 View Post
I feel better for slipper pads because been running 2months for center differential but my laps still the same then i replaced slipper pads can't believe my laps dropped with same tire, motor & set up
This is exactly why we (Xray Factory Team) recommend higher viscosity diff grease in the center differential.

A thinner setup may feel easier and more forgiving to drive and might be the ticket for inexperienced drivers getting used to a new car or upgrade in power (lower turn motor) but it is just too slow and inconsistent when you are pushing and going fast.

We've been testing the center diff for the last 3/4 of a year ever since we started running it in the 2014 model with a revised chassis with saddle layout.

Every single test done have always shown the same result. The center diff with thinner oils feels easier to drive but are always slower.

If you think about it it makes perfect sense.
The slippers we've always been running on 1/10 wheelers are practically a locked diff and it has worked brilliantly for years.
Even running the XB4 center diff with 2.000.000 cst diff grease gives you a ton of diff action.

We always carry 4 ready built center diffs with us to races and practice with 2.000.000, 1.000.000, 500.000 and 300.000 cst so we can test back to back (4 screws to change center diff) and determine what gives the best results.

Our go to weights are 1.000.000 and 500.000 for high/med and med/low grip.

If the grip is really high (carpet with pins) we run the slipper as it is faster and for really low grip we usually run 500.000cst with the occasional test of 300.000.

Interestingly most of the guys knocking on the higher diff oils haven't even tried them as opposed to the team running these setups for almost a year now in testing and racing.

PS! 1.000.000 cst once again gave us enough grip and corner speed to lower the personal best time and lap record at our Nordic Championship track




On high grip surfaces like carpet we still run the slipper as it is faster



+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.


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Old 03-23-2015, 07:29 AM   #7668
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Broken them where? I have twisted a '15 shaft on the wheel side off, but that would not be outdrive/limiter issues.
Broken where the dogbone contacts the outdrive on up travel.
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Old 03-23-2015, 07:30 AM   #7669
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I've noticed associated spurs seem a close fit to the xb4 ones. Has anyone tried them and will they work?
Are you referring to slipper or gear diff..

Gear diff, No..

Slipper will fit if you drill the center larger and trim your pads.
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Old 03-23-2015, 10:43 AM   #7670
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putting together some spares, the 3.5mm front tower is the same as on the '14, just stronger?
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Old 03-23-2015, 10:52 AM   #7671
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Quote:
Originally Posted by MaricopaAgent View Post
Are you referring to slipper or gear diff..

Gear diff, No..

Slipper will fit if you drill the center larger and trim your pads.
Definitely slipper.
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Old 03-23-2015, 11:33 AM   #7672
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putting together some spares, the 3.5mm front tower is the same as on the '14, just stronger?
Thicker and the 15 doesn't have the lowest camber link holes.
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Old 03-23-2015, 01:45 PM   #7673
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Picked up a 15 slipper full assembly off ebay can it be used in my 14 basically without using the long outdrive / shaft part?
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Old 03-23-2015, 05:01 PM   #7674
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http://www.teamxray.com/teamxray/new...4a768d09a46979

Thanks to all those for seemingly taking the lead on this. Looks like Xray has finally looked into it and is making corrections.
Ok, it's been well over a month. Has anyone gotten their replacement suspension holder yet?
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Old 03-23-2015, 05:03 PM   #7675
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Ok, it's been well over a month. Has anyone gotten their replacement suspension holder yet?
Not me. Received a reply e-mail from RC America acknowledging that they would send one as soon as they are available... nothing but crickets ever since.
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Old 03-23-2015, 05:08 PM   #7676
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7 weeks and counting...
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Old 03-23-2015, 05:09 PM   #7677
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Ok, it's been well over a month. Has anyone gotten their replacement suspension holder yet?
Not me but LHS they have already replacement for the new Xray xb4 '15 it attached outside the box. I am concerned why they did not shipped our replacement suspension holder it's been a month and no one can get replacement.
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Old 03-23-2015, 05:15 PM   #7678
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So ppl that already purchased get back seat to "potential" buyers....
Gee that makes total sence.
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Old 03-23-2015, 06:00 PM   #7679
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People whom have just purchasied the 15 kit within the last couple days or will be are receiving the replacement hangers attached with their kit. Definitely would be nice for all whom are to receive replacement hangers to recieve them soon! Like this week.
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Old 03-23-2015, 06:07 PM   #7680
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Ok, it's been well over a month. Has anyone gotten their replacement suspension holder yet?
Im in Australia and received mine last week
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