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Old 08-17-2005, 09:03 AM   #3061
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Quote:
Originally Posted by McSmooth
even get them with socket heads (for allen drivers).
Probably not a good idea, right now all I need is to stick a small screwdriver in to adjust the diff. With the socket head, they you'll have to loosen up pop the camber link out, ala Tamiya style..., adjust the diff, pop everything back on, check for slip, then do it all over again to readjust... YIKES!

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Old 08-17-2005, 09:06 AM   #3062
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Quote:
Originally Posted by McSmooth
Why not have someone there at CorallyUSA call a fastener distributor and check on M2.5x20 hardened screws? You can probably get some samples to test, and even get them with socket heads (for allen drivers).
You can also maybe get a quote form a US compnay like ARP-who makes specialty high performance studs and bolts for racing engines. SOmeone in karting had them make special bolts for our wheel hubs. Cannot be too different for a simple diff screw. We use them and have never had a failure.
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Old 08-17-2005, 09:26 AM   #3063
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I know for a fact that you can buy a box of 100 M2.5x20 Grade 8 alloy steel socket head cap screws for $14.00.
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Old 08-17-2005, 09:31 AM   #3064
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Quote:
Originally Posted by McSmooth
I know for a fact that you can buy a box of 100 M2.5x20 Grade 8 alloy steel socket head cap screws for $14.00.
I suppose you could try slotting the head with a dremel?????? Or make a very short cut-down L-wrench? But I dont know if theres room for that. Grade 8 should do the trick!!
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Old 08-17-2005, 09:35 AM   #3065
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Just could be a cheap (14 cents a piece) 'temporary' solution for some people.

Sure you don't have the slotted head, but if you've lost a race or 2 due to a broken diff screw, maybe you can live without it until/if Corally comes up with a replacement.
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Old 08-17-2005, 09:40 AM   #3066
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Sup Ray, I was the one runing your Losi With Billy Sydor.
He won't let me run it anymore!! LOL.
Runs great. Really like it. I am ordering some parts for mine to
make the same setup. Should Have my parts this week. its Nitro weekend anyways. So no need for Batteries. Hopefully it will drive the same. Heard that Billy told you that I was running 2.10 Jaco's worked great. About .5 mil Rubber left on them. They are done, for some reason I have not thrown them away. I tried Some 56 mm parma's and it made it little less stable. Same Fast lap time. But not as easy to drive.

Thanks for the Setup.

Bear
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Old 08-17-2005, 10:17 AM   #3067
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Quote:
Originally Posted by McSmooth
I know for a fact that you can buy a box of 100 M2.5x20 Grade 8 alloy steel socket head cap screws for $14.00.
I found some Grade 12.9.........

I talked with Rob. I don't believe the solution is as far off as we think. At least I hope not.

Even though after running the car for a year I have NEVER broken one. I'm just weird though I guess.

Jeff
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Old 08-17-2005, 10:40 AM   #3068
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I've been running the car for nearly 7 months and I've never stripped or broken a screw...
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Old 08-17-2005, 10:54 AM   #3069
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same here... got mine last January, and none broke yet!
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Old 08-17-2005, 10:54 AM   #3070
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McGreevy-you were right about the arm sweep!! I am taking it out. Only marginally better turn in-but less corner speed.
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Old 08-17-2005, 11:02 AM   #3071
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I haven't broken one either. Maybe there was just a bad run of them at one time, and a few people got unlucky.

Nothing worse than a bad screw.
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Old 08-17-2005, 11:05 AM   #3072
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welll, a bad one is still better than none at all!!!!
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Old 08-17-2005, 11:10 AM   #3073
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Quote:
Originally Posted by McSmooth
I haven't broken one either. Maybe there was just a bad run of them at one time, and a few people got unlucky.

Nothing worse than a bad screw.
I have a helpful hint to everyone!! If your diff suddenly loosens up a bit-after its been good-the diff screw has elongated a tiny bit and is about to snap. DOnt be a fool and keep tightening like I have and lose that precious short outdrive.

Ray
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Old 08-17-2005, 11:12 AM   #3074
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I broke one a while ago. I was running the diff REAAAAAALLLLLLLLYYYYYYYY tight. It just kinda snapped when I was goign down the straight and the car got all loose after that .

-Korey
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Old 08-17-2005, 11:13 AM   #3075
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Ray, for stock I got the car better, go on AIM or I'll PM you what I changed. The setup I gave you is more suited to real HP.
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