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XRAY T4'19 SPEC

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Old 11-07-2018, 04:55 PM
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Originally Posted by anthonyscardina View Post
Finished setting up my car today and noticed the body off my '16 didn't fit with the body posts in the neutral position. I wound up having to use the front eccentric posts in the rearward position and take the spacers off the rear posts. Anyone else have these issue?
I had to do this too from a body mounted on an '18

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Old 11-07-2018, 08:21 PM
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Originally Posted by R3VoLuTiOn View Post
I had to do this too from a body mounted on an '18

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What's up John! Have you raced your 19 yet?
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Old 11-08-2018, 09:16 AM
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I don’t know if the issue has been resolved for the ’19 version but on my ’16, there’s huge amount of play with the shock piston to the point where it’s wobbly. Is the shock piston better on the ’19? Do you guys recommend buying aftermarket machined shock piston?
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Old 11-08-2018, 04:53 PM
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I’m not aware of any issue with the pistons, ever. The shocks are fine. Several other companies have used Xray shocks on their cars over the years.
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Old 11-08-2018, 05:03 PM
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I've had every xray since the 2015 and never had any issues with the pistons.
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Old 11-08-2018, 05:10 PM
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Originally Posted by johnzhou2476 View Post
I donít know if the issue has been resolved for the í19 version but on my í16, thereís huge amount of play with the shock piston to the point where itís wobbly. Is the shock piston better on the í19? Do you guys recommend buying aftermarket machined shock piston?
The piston is very loose in the cylinder by design. I won't claim to know why, but that's just how they are, and it isn't a problem.

If the piston is loose on the shaft, you can put a 0.1mm under the e-clip. I can't remember if I've ever felt the need to do that on a T4, or just other brands.
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Old 11-08-2018, 05:42 PM
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Originally Posted by grippgoat View Post
The piston is very loose in the cylinder by design. I won't claim to know why, but that's just how they are, and it isn't a problem.

If the piston is loose on the shaft, you can put a 0.1mm under the e-clip. I can't remember if I've ever felt the need to do that on a T4, or just other brands.
yes the piston is very loose in the cylinder. Never understood why. Would aftermarket piston address this?
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Old 11-08-2018, 06:20 PM
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Originally Posted by johnzhou2476 View Post
yes the piston is very loose in the cylinder. Never understood why. Would aftermarket piston address this?
this isnít an issue on the 19 or 18 car. You will be fine
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Old 11-09-2018, 04:36 AM
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There is no need to use aftermarket pistons. There is supposed to be room for oil to move around the side of the piston.

It is hard to understand what you mean by "huge amount of play" or "very loose" without seeing what you are seeing, but some movement is normal and totally fine. ULP and SLP shocks are the same diameter with the same pistons and until now, I have never heard of any issues. If you still have them, maybe measure the diameter of your pistons and let us know?
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Old 11-09-2018, 08:27 AM
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I can live with it if it is intentionally designed such way. It’s just that with all my other shocks, the tolerance between piston and the cylinder wall are very tight.

Shock fluid move through the piston hole and not around the piston wall. Also, with my other shocks there’s very little side to side wiggle on the shock shaft; the shaft glide smoothly up and down.
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Old 11-09-2018, 01:00 PM
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Hey guys,
Last T4 I had was the '13. Wanted to find out how to distinguish the difference on '15, '16, '17 and '18 T4s. Is there an easy way by just looking at the chassis/suspension?

Thanks.
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Old 11-09-2018, 01:25 PM
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'13 and '14 don't have the ball bearing supported anti roll bar. 18 and 19 has the new ULP shocks. Those are 2 cues that come to mind. Staring '17 is when they have the recessed motor cutout on both side of the frame.
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Old 11-09-2018, 02:12 PM
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Are people still running shims under the top deck for flex even with the smaller lay shaft bearings on the 19?
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Old 11-09-2018, 04:06 PM
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Originally Posted by rcdoktor2 View Post
Hey guys,
Last T4 I had was the '13. Wanted to find out how to distinguish the difference on '15, '16, '17 and '18 T4s. Is there an easy way by just looking at the chassis/suspension?

Thanks.
You can pretty easily go back through the history and looking at the year-vs-year changes. Start here 2019 and in the upper-right corner there's a "Kit Version" drop-down that goes all the way back to 2013.
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Old 11-09-2018, 07:13 PM
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That helped a lot! Thanks.
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