Xray T4 '13

Old 05-13-2013, 04:13 PM
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2k is fine for the rear, but I would start at 2.5M for the front.
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Old 05-13-2013, 04:17 PM
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Originally Posted by andrewdoherty View Post
2k is fine for the rear, but I would start at 2.5M for the front.
Ok, thanks for helping.
2000cst/rear and 2500cst/front?
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Old 05-13-2013, 04:26 PM
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Question about the RSD T4 asphalt spring set. According to them, Silver is the softest, and it's recommended to use in front, so what do you do with the rest of the set? Guess they need to come up with something softer than their Silver.
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Old 05-13-2013, 04:29 PM
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The one that followed is "700cst" but than i should order some other oils for the gear diff
Front/rear
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Old 05-13-2013, 04:29 PM
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Originally Posted by HudyPat View Post
Ok, thanks for helping.
2000cst/rear and 2500cst/front?
2.5 million in front.
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Old 05-13-2013, 04:37 PM
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Originally Posted by rcguyfpr View Post
Question about the RSD T4 asphalt spring set. According to them, Silver is the softest, and it's recommended to use in front, so what do you do with the rest of the set? Guess they need to come up with something softer than their Silver.
I actually like the silver's all the way around, but you can of course mix and match with other short springs like XRAY's 2.5 or their progressives.
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Old 05-13-2013, 04:59 PM
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Originally Posted by erchn View Post
2.5 million in front.
Okey, than i try that. But why is it following 700cst when its so far away 2.5mill?
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Old 05-13-2013, 05:30 PM
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Originally Posted by HudyPat View Post
Okey, than i try that. But why is it following 700cst when its so far away 2.5mill?
700cst is WAY to light! The setup norm seems to be 2.5 million cst. I know of some guys having luck with 500,000 wt. for very forgiving driving. I am not sure if it is the fastest setup.

Which by the way where can I buy some 2.5 million cst?
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Old 05-13-2013, 05:48 PM
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Originally Posted by Mugen10 View Post
700cst is WAY to light! The setup norm seems to be 2.5 million cst. I know of some guys having luck with 500,000 wt. for very forgiving driving. I am not sure if it is the fastest setup.

Which by the way where can I buy some 2.5 million cst?
Paul Lemieux's company Gravity makes it. The big US stores carry it.
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Old 05-13-2013, 05:54 PM
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Originally Posted by HudyPat View Post
Okey, than i try that. But why is it following 700cst when its so far away 2.5mill?
700 is for rear only.
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Old 05-13-2013, 05:54 PM
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Originally Posted by HudyPat View Post
Okey, than i try that. But why is it following 700cst when its so far away 2.5mill?
The kit oil (700cSt) is only for a rear gear diff. A spool (solid 'diff') is used in the front.
If you want to use a gear diff in the front you need to run MUCH thicker oil than the rear. Some use 500,000

I have a gear diff with 2.5million in it which only allows the diff to move but only very slowly and it takes a lot of effort.

If you do want to run a diff I suggest putting 1million or 2.5 million in and comparing it with a spool to see which you prefer.
I have only run my 2.5million diff once on asphalt, it made the car very stable but I need to do more back to back testing to see if it was actually quicker.

On a tight carpet track (which everyone seems to think is better with a gear diff in the front) I was quicker with a spool, the front gear diff made the car too safe.

I run 2000cSt in the rear

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Old 05-13-2013, 06:13 PM
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What shock springs are those? Are they short version?
Attached Thumbnails Xray T4 '13-xray-t4-pic3.jpg  
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Old 05-13-2013, 06:32 PM
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Originally Posted by Mugen10 View Post
What shock springs are those? Are they short version?
Those are HPI/ Hot Bodies Silver springs so Xray probably also designed new shocktowers to allow the use of full length springs on the T4.

We from DS Motorsport released these shocktowers around two weeks ago:

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Old 05-13-2013, 07:11 PM
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Originally Posted by Mugen10 View Post
What shock springs are those? Are they short version?
What are those battery backstops?
Is it Alex car? Pic taken when?

Springs look long, strange if X-ray would go back to long dampers again..

What will the added cylindrical "blocks" between the holders for the anti roll bar do?

What is the reason for the screw set-up in the top deck? I normally remove the ones from the bulkhead in the middle at the spur gear, all 4 of them but leaves the rest. Will this be some kind of "middle" flex setting compared to that and keeping all the screws?

Last edited by martinskarin; 05-13-2013 at 07:24 PM.
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Old 05-13-2013, 07:16 PM
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Originally Posted by Skiddins View Post
The kit oil (700cSt) is only for a rear gear diff. A spool (solid 'diff') is used in the front.
If you want to use a gear diff in the front you need to run MUCH thicker oil than the rear. Some use 500,000

I have a gear diff with 2.5million in it which only allows the diff to move but only very slowly and it takes a lot of effort.

If you do want to run a diff I suggest putting 1million or 2.5 million in and comparing it with a spool to see which you prefer.
I have only run my 2.5million diff once on asphalt, it made the car very stable but I need to do more back to back testing to see if it was actually quicker.

On a tight carpet track (which everyone seems to think is better with a gear diff in the front) I was quicker with a spool, the front gear diff made the car too safe.

I run 2000cSt in the rear

Skiddins
I agree, 1.000.000 or more in the front if a diff is used less should be for special occations only. I tried 45 putty from Ride last time but was not so impressed since the diff got smoother after a while and I had to add some putty. Hard to keep a consistent setting.
Last race we had was a very tight track but some guys still used spools in front with success, however their cars seemed to be pretty hard to run consistent with so I never tried it since I knew I would also have to make several other changes to the set-up and did not really have the time to test it out.

I use 1000 - 3000 in the rear depending on track and grip conditions.
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