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XRAY T4'19 SPEC

Old 10-25-2018, 06:45 AM
  #136  
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Originally Posted by dameetz
Hi guys, I just got my T4 19, this is my first Xray TC and I ve been out of EP Tc for about 4 years now. Any links for a building tips? What other parts that are a must to have (Options or spare)? I ll be racing this car in 13.5t blinky and boosted class, mostly outdoor tarmac.

Thanks in advance.
https://www.thercracer.com/2018/10/x...vJ3HE_sST-erfQ
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Old 10-25-2018, 07:02 PM
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Which is the best year of T4?
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Old 10-26-2018, 01:31 AM
  #138  
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Originally Posted by fergraz
Which is the best year of T4?
In general they get better every year. The '19 has some nice refinements.

However if you're racing on a track that is bumpy and/or low grip, the ultra-short shocks on the 18/19 are a step backwards, so the '17 would be a better car unless you want to spend a lot extra on SLP shocks and towers.
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Old 10-26-2018, 09:04 PM
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Originally Posted by daleburr
In general they get better every year. The '19 has some nice refinements.

However if you're racing on a track that is bumpy and/or low grip, the ultra-short shocks on the 18/19 are a step backwards, so the '17 would be a better car unless you want to spend a lot extra on SLP shocks and towers.
Thanks!
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Old 11-01-2018, 08:55 AM
  #140  
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Can someone give me a baseline gearing suggestion for running 17.5 using 48P. What spur/pinion teeth combo should I start with. It's for a pretty standard carpet size track. Using a TSR 17.5 motor.
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Old 11-01-2018, 09:05 AM
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Originally Posted by johnzhou2476
Can someone give me a baseline gearing suggestion for running 17.5 using 48P. What spur/pinion teeth combo should I start with. It's for a pretty standard carpet size track. Using a TSR 17.5 motor.
Good starting point: 69 tooth Kimbrough/Associated Spur Gear. 35 tooth pinion. FDR: 3.94, or 34 tooth pinion, FDR: 4.06

EDIT: Sorry, thought I was in the TC7.2 thread. I have no clue if the Kimbrough spur gear will fit a T4. But if you can find a 72 tooth XRAY spur gear, then use a 34 tooth pinion to give yourself a 4.02 FDR.

Last edited by glennhl; 11-01-2018 at 09:16 AM.
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Old 11-01-2018, 11:55 AM
  #142  
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Originally Posted by johnzhou2476
Can someone give me a baseline gearing suggestion for running 17.5 using 48P. What spur/pinion teeth combo should I start with. It's for a pretty standard carpet size track. Using a TSR 17.5 motor.
if your planning on running at 360, don’t bother as they run can am motors with spec gearing
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Old 11-01-2018, 02:09 PM
  #143  
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Speedychris22 - I know they'll planning to use Can Am motor for spec class at 360. But, how about USGT...are they keeping that class or is that going to Can Am as well?
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Old 11-01-2018, 03:00 PM
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Originally Posted by johnzhou2476
Speedychris22 - I know they'll planning to use Can Am motor for spec class at 360. But, how about USGT...are they keeping that class or is that going to Can Am as well?
from what I was told and saw on fb can am everything except mod.
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Old 11-03-2018, 08:54 AM
  #145  
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Thumbs up XRAY T4 2019 Ceramic Bearings Released

ACER Racing has just released a complete Ceramic Bearing kit for the XRAY T4 2019 Edition which uses a new bearing configuration.
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Old 11-06-2018, 10:53 PM
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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?
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Old 11-07-2018, 02:40 AM
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also had the ´16 before...
on the front body posts i use the neutral position as in the manual, rear one´s i took out the spacers and it fits!
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Old 11-07-2018, 08:48 AM
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Originally Posted by anthonyscardina
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?
Is it possible you had the rear body posts on the wrong side of the shock tower when you cut the body holes?
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Old 11-07-2018, 09:11 AM
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Originally Posted by TomTurbo
also had the ´16 before...
on the front body posts i use the neutral position as in the manual, rear one´s i took out the spacers and it fits!
Yep, to use bodies from previous years the rear spacer has to be removed for identical mounting position. I find this to be just fine as you can start out the body mounted in a forward position but still are able to move it back by using the eccentric body post with rear spacers and is good for most cases. This does reduce the body position options to 2 however.
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Old 11-07-2018, 11:19 AM
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Originally Posted by grippgoat
Is it possible you had the rear body posts on the wrong side of the shock tower when you cut the body holes?
Rear posts are on the back side of the tower, I've also been given several bodies from other Xray cars and they all fit my '16 fine.
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