geea Site protagonist Lifetime Members 4,320 Member For: 21y 7m 13d Gender: Male Location: At the lights, waiting for you. Posted 09/04/06 06:21 AM Share Posted 09/04/06 06:21 AM Hey guys, I'm getting pissed off with braking CV's. I'd like to know who else has broken them. I'd also like to know the details of the car and how they broke. Sort of like as follows.Geea.auto sedan380rwkw'slowered with 2/3's bump stop removedHeathcote racewayLaunching @ 3400rpmI've done 3 CV's this way.If everyone who has broken a CV could do the same I'd really appreciate it.Geea. Link to comment Share on other sites More sharing options...
F6_Tornado F6+300+ Member 940 Member For: 20y 1m 17d Location: In The Ute Posted 09/04/06 06:29 AM Share Posted 09/04/06 06:29 AM Wash the grease out and put some synthetic oil them.When they break did you notice the inner race cracks in the root of the ballrace right where the Circlip groove finishes? Bad Design, bad engineering! Link to comment Share on other sites More sharing options...
philldub Member 81 Member For: 20y 3m 9d Posted 09/04/06 08:12 AM Share Posted 09/04/06 08:12 AM Removing the bump stop or even cutting it down will make things worse as you now put the cv through more angle and the balls run out of track Link to comment Share on other sites More sharing options...
G6ET8U Playing with Sports Bikes... Silver Donating Members 1,927 Member For: 19y 1m 26d Gender: Male Location: Whistling, GTX. Posted 09/04/06 08:15 AM Share Posted 09/04/06 08:15 AM XR6T8_U.T5 Manual sedanCompletely standard at the timelowered with with King SpringsStandard bump stops still in placeHeathcote Raceway (far lane... aka DEATH VALLEY)At the burnout... I would put it down to over revving in the burnout but I don't know...I've done 1 CV this way.Jack Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 7m 29d Gender: Male Location: Victoria Posted 09/04/06 09:24 AM Share Posted 09/04/06 09:24 AM Removing the bump stop or even cutting it down will make things worse as you now put the cv through more angle and the balls run out of track←I would have thought the opposite...When the car is lowered your bringing the diff down so it would decrease the angle on the shaft between the diff and the hub. Link to comment Share on other sites More sharing options...
XRT8U Member 503 Member For: 20y 4m 25d Gender: Male Location: Melbourne Posted 09/04/06 09:35 AM Share Posted 09/04/06 09:35 AM Sorry to sound dumb guys! Whats a CV?How much for a new one?And where is it located?Thanks guys, I know im thick! Link to comment Share on other sites More sharing options...
philldub Member 81 Member For: 20y 3m 9d Posted 09/04/06 09:36 AM Share Posted 09/04/06 09:36 AM Adam I think you will find the shafts are close to horizontial when the car is at std height so when it squats the cvs start to work the lower the car the more angle.Lots of power and grip dont help Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 7m 29d Gender: Male Location: Victoria Posted 09/04/06 09:39 AM Share Posted 09/04/06 09:39 AM Yeah that could be right Phil.The sedans do squat down a lot on stall up. Link to comment Share on other sites More sharing options...
kawerx TerriGhia Donating Members 206 Member For: 18y 11m 3d Posted 09/04/06 09:40 AM Share Posted 09/04/06 09:40 AM its like a big uni joint on the driveshaft between the diff housing and the rear wheel. Link to comment Share on other sites More sharing options...
kawerx TerriGhia Donating Members 206 Member For: 18y 11m 3d Posted 09/04/06 09:42 AM Share Posted 09/04/06 09:42 AM what tyre type(slicks or road) and tyre size at time of failures?are there any stronger units yet? Link to comment Share on other sites More sharing options...
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