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  #21  
Old 13-03-2007
Richard Lowe Richard Lowe is offline
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Originally Posted by jimmy View Post
Quickest in the final too
Only because I couldn't be bothered to put my one-way diff in hehe

The Tamiya does seem to suit the super secret mystery driver very nicely

Regarding soaking up landings, it's probably a case of fine tuning the oil/piston combo. I build the shocks for my BJ4 with as little rebound as possible.
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  #22  
Old 13-03-2007
usagi usagi is offline
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The mystery driver is........
Jimmy told me on Sunday who it is, but i'm not going to spoil the fun for everyone else.
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  #23  
Old 17-03-2007
woOdy woOdy is offline
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My Dad has just finished an over hall on oople 501x and I have told him I had a problem with the rear dif coming loose every run. I have not stripped it down untill now but the only thing he could fine is that the spring in the thrust bearing had not been squashed like the B4 should of been. On the track I was tightening the dif every run so hopefully this will sort it out.
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  #24  
Old 17-03-2007
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Woody, what do you mean by "the spring in the thrust bearing"? They are separate items, and should be on opposite sides of the differential assembly.

I've not experienced the differential working loose so quickly and I didn't squash the spring before installing it. Although, I may well give it a go now that you've mentioned it, just to be safe.
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  #25  
Old 17-03-2007
stefke stefke is offline
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Haven't experienced the diff coming loose (squashed the spring first though), but the diff starts sounding (and feeling) like a coffee grinder after a few runs. I think it's a diff bal quality problem, same problem as the ZX5 had. Does anyone know if the Associated carbide diff balls are a direct fit ?

Sorry Jimmy, move me to the setup discussion thread !
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  #26  
Old 17-03-2007
woOdy woOdy is offline
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Quote:
Originally Posted by Dunc View Post
Woody, what do you mean by "the spring in the thrust bearing"? They are separate items, and should be on opposite sides of the differential assembly.

I've not experienced the differential working loose so quickly and I didn't squash the spring before installing it. Although, I may well give it a go now that you've mentioned it, just to be safe.
Yes I know, I was just trying to point out what I was talking about. Yes I also think its a ball problem now due to the balls are knackered. I have put shumi ones straight in.
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  #27  
Old 17-03-2007
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Okay, Woody. I'm a picky bugger at the best of times

You could well be right about the diff. balls being the problem. I've not been using the kit ones, and as I said haven't experienced the diff. working loose....
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  #28  
Old 17-03-2007
woOdy woOdy is offline
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Quote:
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Okay, Woody. I'm a picky bugger at the best of times

You could well be right about the diff. balls being the problem. I've not been using the kit ones, and as I said haven't experienced the diff. working loose....
What have you been using? This may be the hole problem.
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  #29  
Old 17-03-2007
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Some ceramic (Silicon Nitride) ones from http://www.bocabearings.com.

They do metric, so you can get the correct size (3mm, I think).
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  #30  
Old 17-03-2007
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Check out our site sponsor Kanzen racing also - they have some balls listed here:

http://www.kanzen-bearings.com/shop_...d&productId=23
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  #31  
Old 17-03-2007
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Seamless, Jimmy, seamless....
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  #32  
Old 17-03-2007
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lol
Just thought I would drop that in, since Kanzen approached me about helping with the 501X - so all being well Stu will be racing with some Kanzen products on his car in the near future, putting them to the test.
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  #33  
Old 17-03-2007
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I've just been playing with using the shock bladders from the TRF TC shocks, in the offroad shocks and the initial results look to be quite promising, will let you guys know tomorrow how I get on.
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  #34  
Old 18-03-2007
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OK then guys question time here.

Raced the 501 today with a number of different drive options on it.

Oneway Standard shocks 35f AE blue spring med hole piston. 30r Ae Silver spring large hole piston. Car seemed to "dig in" on entry to corner, fine on exit jumped well. Any thoughts???

Same setup with Diff no problems with the front of the car at all.

Setup with the shock bladders used and diff awesome difference to stock shocks car was much more responsive!!

Didnt get to try the car with the shock bladders and the one-way.

Any thoughts on the issues with the front of the car.
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  #35  
Old 18-03-2007
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Hmmmm, what were your shock locations ? was it a high grip track? was the car tipping or just digging right down?
on high grip I like to put the shocks in on the tower and out on the arms (to a degree - do it a step at a time) it just tends to make the car feel more settled on high grip tracks to me.
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  #36  
Old 18-03-2007
GRIFF55 GRIFF55 is offline
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can anybody find out the 501x setup from hupo or josh numan from the cactus classic?
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  #37  
Old 18-03-2007
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I'll get hupos off him after he is back
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  #38  
Old 18-03-2007
GRIFF55 GRIFF55 is offline
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That will be great!! More setups the better(for me anyway!! lol)
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  #39  
Old 19-03-2007
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Quote:
Originally Posted by jimmy View Post
Hmmmm, what were your shock locations ? was it a high grip track? was the car tipping or just digging right down?
on high grip I like to put the shocks in on the tower and out on the arms (to a degree - do it a step at a time) it just tends to make the car feel more settled on high grip tracks to me.
Shock locations were front 3rd hole from outside on tower, and middle hole on the wishbones, the same for the rear of the car.

The grip was up there all day, even when it snowed for a while.

The car was defo digging in on corner entry, off power with the one way, fine on the highspeed corners with the power still on.
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  #40  
Old 19-03-2007
stefke stefke is offline
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Quote:
Originally Posted by jimmy View Post
Check out our site sponsor Kanzen racing also - they have some balls listed here:

http://www.kanzen-bearings.com/shop_...d&productId=23

Just ordered 2 sets of ceramic diff balls from them. 10 minutes later I received an email that they were shipped !!! Talking about swift service !!! Sponsor approved Jimmy !

Another question : are these the Yokomo shock shafts that fit the TRF ? :

https://www.ssl-stormerhobbies.com/c....pl?pn=YYS5S2T
and
https://www.ssl-stormerhobbies.com/c....pl?pn=YYS5M2T
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