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Old 03-10-2008, 07:43 PM   #11281
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Originally Posted by B18C Turbo View Post
i race stock sedan only. Maybe mod class racers break the diff screws? I don't knwo but if it were THAT bad they would have released this diff a few weeks after the kit was released.

Although high, the price is just about right for whats included. Theres a lotta parts in a ball diff!
That's why you don't really have any problems....really the need for the new diff is born not only because of the diff screw, that's rarely a problem now anyway if the Edit Ti screw is used, breakages are very rare now.
In modified the diff is put under a lot of stress, it makes it difficult to get the diff to last before a rebuild - be it fresh parts or just a clean and rebuild - the condition of the diff can be 20% of the cars handling and is so important yet often overlooked that getting this part of the car right is very important.
The new diff can go longer between rebuilds due to its new construction, this is very much appreciated in modified.
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Old 03-10-2008, 07:44 PM   #11282
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I race Expert 10.5 i have broke one.I know of other guys to have broke them to. Thats way i use a TC5 Diff screw no problems. Now on the other hand guys say why a new diff i have no problem with the one thats out So maybe its the same with HB they hear 50/50 and think its a good time to fix the problem before everyone is knocking on there door Also in one case a guy broke his with a 13.5
Generally a screw breaking under such low load will be the result of a poorly built diff....
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Old 03-10-2008, 07:59 PM   #11283
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Generally a screw breaking under such low load will be the result of a poorly built diff....
I agree with you there but you don't see that happening to a AE diff, Losi, or Schuie diffs. I will admit that out of all the years I have been running sedan....hotbodies has the smallest diff screw I have ever seen. It's been a problem for years. Hara use to go through diff screws like carzy at the Reedy race when the Pro4 was coming on the scene. I don't know if it too had a small diff screw but it was noticed at the race. I replaced mine with the AE screw and we'll see how it runs this weekend.
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Old 03-10-2008, 08:12 PM   #11284
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Generally a screw breaking under such low load will be the result of a poorly built diff....
No thats not the problem because we all are running the TC5 srew and no problems and its the same people building the same diffs.

Let me ask why is it when something brakes someone always say o it broke because u hit something to hard no because other cars like a xray hits the same way car keeps driving now with the diff (under such low load would be the result of a poorly built diff) no the problem is with parts that they make and down here in florida they are talking about mod being only 10.5 next year because they are running just as fast as the mobs Remember some times slower is faster
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Old 03-10-2008, 08:26 PM   #11285
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I agree with you there but you don't see that happening to a AE diff, Losi, or Schuie diffs. I will admit that out of all the years I have been running sedan....hotbodies has the smallest diff screw I have ever seen. It's been a problem for years. Hara use to go through diff screws like carzy at the Reedy race when the Pro4 was coming on the scene. I don't know if it too had a small diff screw but it was noticed at the race. I replaced mine with the AE screw and we'll see how it runs this weekend.
Yes, it is the same steel screw in the Pro4 and Cyclone (although the screw was updated in the WCE car to a low friction Ti coated version), the standard screw can be a little problematic in modified due to the high load, the Edit Ti screw is much better....maybe this is difficult to get hold of in the US, I'm not sure?

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Originally Posted by iceman76 View Post
No thats not the problem because we all are running the TC5 srew and no problems and its the same people building the same diffs.

Let me ask why is it when something brakes someone always say o it broke because u hit something to hard now with such low load its because of a poorly built diff no its the problem with parts that they make and down here in florida they are talking about mod being only 10.5 next year because they are running just as fast as the mobs
Because nine times out of ten that is the reason, although there are exceptions, I am glad the TC5 screw solved your issues.
10.5 laps may be close to modified in your area, for various reasons, but the load a modified puts the transmission under is far greater.
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Old 03-10-2008, 08:50 PM   #11286
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I think you guys should try the Titanium coated WC diff screw/t-nut. Its like $6 and it works really well for me. I only race 13.5 but my diffs last a long time and I have yet to rebuild any of my diffs, with 5 club races on them!

The Edit Ti diff screw is pretty easily accesible but very expensive! The TC5 screw is easy to get and very cheap, does it fit in the stock outdrives without drilling?
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Old 03-10-2008, 08:51 PM   #11287
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you might as well stick with the alum diffs that Scotty has been running. That price for that stuff is pretty pricey.
Yeah, im not planning on them at all, but for when I need some new out drives, I will


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Holy crap! I'm not payin $75 for a diff, the old ones aint that bad. Since when did HB parts get more expensive than Xray?
That is insane!

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Originally Posted by iceman76 View Post
I race Expert 10.5 i have broke one.I know of other guys to have broke them to. Thats why i use a TC5 Diff screw no problems. Now on the other hand guys say why a new diff i have no problem with the one thats out So maybe its the same with HB they hear 50/50 and think its a good time to fix the problem before everyone is knocking on there door Also in one case a guy broke his with a 13.5
I race 10.5, im no expert lol, but I dont break diff screws that much either, and I crash alot..... I broke alot of them when I raced 13.5 though
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Old 03-10-2008, 08:54 PM   #11288
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what part of the diff screw did you break? how did it break? Were you using the 25mm Pro4/cyclone diff screw or the 27mm WCE screw?
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Old 03-10-2008, 08:54 PM   #11289
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I think you guys should try the Titanium coated WC diff screw/t-nut. Its like $6 and it works really well for me. I only race 13.5 but my diffs last a long time and I have yet to rebuild any of my diffs, with 5 club races on them!

The Edit Ti diff screw is pretty easily accesible but very expensive! The TC5 screw is easy to get and very cheap, does it fit in the stock outdrives without drilling?
Thats what i was running it comes with the Moore speed WC broke in half
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Old 03-10-2008, 08:57 PM   #11290
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But like i said the guys i know of that broke the screw told me about the TC5 and we all use it and no problems i have 20 runs on it so far
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Old 03-10-2008, 08:58 PM   #11291
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Yeah, im not planning on them at all, but for when I need some new out drives, I will




That is insane!



I race 10.5, im no expert lol, but I dont break diff screws that much either, and I crash alot..... I broke alot of them when I raced 13.5 though
with the Reedy race in our back yard...you are about to see this car pushed to the limits. Scotty and I will be testing any and everything. If it's weak it will show. If it can't handles speed it will be thrown.....LOL You get my point. It's time to have some fun baby!!!!
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Old 03-10-2008, 08:58 PM   #11292
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Thats what i was running it comes with the Moore speed WC broke in half
Yup, the steel screw has more give then the TI one... The TI one is just a waist of a extra 5 bucks or whatever it is.. Only reason I have one in now is because when I went to buy a new one, all they had was TI at the time lol

But it was the WCE screw, I dont break them anymore, I have it sorted out, as said a properly built diff will be fine, when there built right, you dont have to tighten the diff much, and it doesnt slip, so its all good

I still cant build a diff perfect like the cyclone hot shot at my track, so he does it for me
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Old 03-10-2008, 09:00 PM   #11293
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with the Reedy race in our back yard...you are about to see this car pushed to the limits. Scotty and I will be testing any and everything. If it's weak it will show. If it can't handles speed it will be thrown.....LOL You get my point. It's time to have some fun baby!!!!
Haha, I will be there beating the crap out of my car, just with less motor with you guys! I dont want to win last, thats my goal LOL, so I need practice, and lots of driving help from your guys

Heck yeah man! It is for sure time for fun, a awesome way to start off a new race season with REEDY
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Old 03-10-2008, 09:00 PM   #11294
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Thats with a 10.5 FDR 4.38
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Old 03-10-2008, 09:01 PM   #11295
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Thats with a 10.5 FDR 4.38
Thats where im going to gear mine with out track extension... 4.4 is my starting point
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