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Xray T3 2012

Old 07-05-2012, 02:02 PM
  #3076  
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Originally Posted by Qwiglee View Post
OK so I will totally disassemble and take the o-rings out and then spray with motor spray. I'm glad I checked because I was going to just open up the two halves of the diff and spray it out. Thanks for the tips.

I noticed that the big o-ring between the two halves can't be reused because it swells up and won't fit back in its slot so I ordered replacements. I'm guessing this is normal?
It's normal and you actually don't need to use one. I've used down to 500cSt without any leakage.
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Old 07-05-2012, 04:16 PM
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Originally Posted by Fred Hubbard View Post
It's normal and you actually don't need to use one. I've used down to 500cSt without any leakage.
Ive personally had an issue at 700 where it leaked. I usually tighten using an x pattern too.
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Old 07-05-2012, 04:57 PM
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glue the large o-ring to the opposite side of the diff with ca been doing this for a long time and have not replaced the o-ring since first build months ago 3 diffs no leaks ever
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Old 07-05-2012, 05:53 PM
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I've been trying to get at a 3.85ish fdr...my old spur gears from my tc6 don't fit this car and I cant seem to find a combination of spur and pinion available that will work. I bought a couple 84t/48p X-ray spur gears and a 43t/48p pinion gear, but the combo won't fit in the car, pinion too large.

Not even my 36t/48p pinion works with that spur.
Anyone get to an FDR of around 3.85-4.00 without having to hack a non xray brand spur gear?

I've looked at the gearchart from xrays site and I'm assuming it shows the only working combinations with X-ray spurs. Has anyone tried a combination that was a drop in fit not shown on the chart?
I've searched amainhobbies and couldn't find the 69t/48p I was looking for...

Either way, I race blinky at a track where the FDR's are around 3.85, I race at others where fdrs are 4.5 and
6. I want to just have one spur gear to cover this range and just have to change pinions.
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Old 07-05-2012, 06:23 PM
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Originally Posted by ChampRC View Post
I've been trying to get at a 3.85ish fdr...my old spur gears from my tc6 don't fit this car and I cant seem to find a combination of spur and pinion available that will work. I bought a couple 84t/48p X-ray spur gears and a 43t/48p pinion gear, but the combo won't fit in the car, pinion too large.

Not even my 36t/48p pinion works with that spur.
Anyone get to an FDR of around 3.85-4.00 without having to hack a non xray brand spur gear?

I've looked at the gearchart from xrays site and I'm assuming it shows the only working combinations with X-ray spurs. Has anyone tried a combination that was a drop in fit not shown on the chart?
I've searched amainhobbies and couldn't find the 69t/48p I was looking for...

Either way, I race blinky at a track where the FDR's are around 3.85, I race at others where fdrs are 4.5 and
6. I want to just have one spur gear to cover this range and just have to change pinions.
http://www.speedtechrc.com/store/ebp...nid=392&id=957
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Old 07-05-2012, 06:32 PM
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Originally Posted by ChampRC View Post
I've been trying to get at a 3.85ish fdr...my old spur gears from my tc6 don't fit this car and I cant seem to find a combination of spur and pinion available that will work. I bought a couple 84t/48p X-ray spur gears and a 43t/48p pinion gear, but the combo won't fit in the car, pinion too large.

Not even my 36t/48p pinion works with that spur.
Anyone get to an FDR of around 3.85-4.00 without having to hack a non xray brand spur gear?

I've looked at the gearchart from xrays site and I'm assuming it shows the only working combinations with X-ray spurs. Has anyone tried a combination that was a drop in fit not shown on the chart?
I've searched amainhobbies and couldn't find the 69t/48p I was looking for...

Either way, I race blinky at a track where the FDR's are around 3.85, I race at others where fdrs are 4.5 and
6. I want to just have one spur gear to cover this range and just have to change pinions.
Ive run a 92/60 in my car I know you can run bigger stuff you just stuck on running 48 pitch?
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Old 07-05-2012, 07:55 PM
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48dp pinion/spur , 38/72 will do the trick(3.8 i think). RW racing for both parts. Can be found on ebay
Not sure if you will ever have one spur to cover all scenarios, best to buy a couple.
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Old 07-05-2012, 08:56 PM
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Serpent spurs also have the correct 3 hole pattern.
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Old 07-05-2012, 09:32 PM
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Originally Posted by Qwiglee View Post
I noticed that the big o-ring between the two halves can't be reused because it swells up and won't fit back in its slot so I ordered replacements. I'm guessing this is normal?
It is. I've herd that quite a few guys skip fitting this o-ring and have not had a problem.
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Old 07-07-2012, 02:07 AM
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T3 lower deck advice please. Which would give more rear traction?

Smokem T3mx or Xray 2mm lower decks.
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Old 07-07-2012, 04:38 AM
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Before buying either try the mod on page 122
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Old 07-07-2012, 06:35 AM
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Originally Posted by bucketboy View Post
Before buying either try the mod on page 122
What's the mod? Page numbers depend on your settings and aren't the same or everyone.
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Old 07-07-2012, 06:42 AM
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The euro has hit a two year low versus the USD. Will we see some more reasonable prices soon on xray parts?
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Old 07-07-2012, 07:04 AM
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Originally Posted by or8ital View Post
What's the mod? Page numbers depend on your settings and aren't the same or everyone.
Hagberg mod narrowing rear track width
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Old 07-07-2012, 07:35 AM
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Originally Posted by Jamison R View Post
Hagberg mod narrowing rear track width
that would give you less rear traction, no?
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