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> Blew up another CV joint..., What to do?
yarin
post May 23 2008, 09:34 PM
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So I need some advice on this one:

2 years ago a CV went on me during an autocross, drivers inside (tranny side). The bearing race cracked and well, u know what happens then, no power transmitted means flatbed tow truck home. Replaced all 4 CVs with the kit from PMB performance.

All was well.... fast forward to today, the exact same joint blew. I haven't dissasembled for a post mortem but it isn't pretty. Luckily i flat tow the car to events now so getting home wasn't a problem. The car definitely took a beating today, put about 45 total runs (autox school x 2 drivers) on the car before it let go on Avon Tech RA tires, a few areas of the course induced some slip/grip stress.

Motor is relatively stock, probably putting out about 100-110hp crank. AutoX definitely put exess wear and tear on the part, running semi-sticky tires.

So what should I do, replace with another kit? OEM? Beef it up with 944 or heavy duty CVs? Any of you fellow autoxers have a solution that won't cost me a fortune?

Thanks!

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Posts in this topic
yarin   Blew up another CV joint...   May 23 2008, 09:34 PM
Crazyhippy   I've put 400+HP through the Renegade Hybrids s...   May 23 2008, 11:48 PM
McMark   We definitely need some pictures and a postmortem ...   May 24 2008, 12:02 AM
Eric_Shea   Me too. :blink:   May 24 2008, 12:27 AM
Jeff Hail   Me too. :blink: Did you get your CV from tha...   May 24 2008, 12:30 AM
yarin   Me too. :blink: Did you get your CV from th...   May 24 2008, 07:32 AM
ericread   [quote name='Jeff Hail' post='1036159' date='May ...   May 24 2008, 11:22 AM
davep   Does that CV have the axle go to extreme angles a ...   May 24 2008, 07:42 AM
DNHunt   Yarin Sorry about the CV. What pressures are you ...   May 24 2008, 07:54 AM
yarin   Here are pics. The bearing race cracked, exact sam...   May 24 2008, 11:22 AM
yarin   The rear is pretty flat during cornering, suspensi...   May 24 2008, 11:26 AM
Eric_Shea   Mark and I had been investigating an incedent wh...   May 24 2008, 11:29 AM
Jeff Hail   Eric, I have been.... and priming,powdercoatin...   May 25 2008, 12:59 AM
Eric_Shea   Yes and No. Some cars still have their stock CV...   May 24 2008, 11:40 AM
yarin   Yes and No. Some cars still have their stock C...   May 24 2008, 11:44 AM
ericread   Yes and No. Some cars still have their stock C...   May 24 2008, 11:57 AM
Eric_Shea   These are areas of concern that I see: Looks like...   May 24 2008, 11:48 AM
yarin   Keep in mind that after the CV failed, it was flat...   May 24 2008, 11:57 AM
kwales   Couple of thoughts.. The beetle cv's don...   May 24 2008, 12:08 PM
Eric_Shea   We don't mfg. the joints. We machine 2 of t...   May 24 2008, 12:19 PM
Eric_Shea   That makes a ton of sense... forgot about that. ...   May 24 2008, 12:20 PM
brer   are those Lobro CV's you are using? if they a...   May 24 2008, 02:41 PM
davep   Is there any wheel hopping on the course? Somethin...   May 24 2008, 02:54 PM
yarin   Is there any wheel hopping on the course? Somethi...   May 24 2008, 03:26 PM
Eric_Shea   Those are German "Meyle" not EMPI. We c...   May 24 2008, 03:37 PM
brer   Meyle is a German company that does not produce th...   May 24 2008, 04:00 PM
Eric_Shea   I can switch to Lobro no problem if that's dee...   May 24 2008, 05:20 PM
Joe Ricard   I think the materails being used these days are no...   May 25 2008, 07:32 AM
davep   Being a physicist, I can understand what Jeff is t...   May 25 2008, 09:22 AM
Eric_Shea   Alright, alright... so you know everything! ...   May 25 2008, 12:31 PM
Jeff Hail   (anybody else hate this guy?) One more thing....   May 25 2008, 04:38 PM
ericread   (anybody else hate this guy?) One more thing...   May 25 2008, 08:50 PM
yarin   Thanks for all the info guys! Joe has put way ...   May 25 2008, 12:41 PM
kwales   Eric, CV joints are a lot like ball and roller be...   May 25 2008, 02:43 PM
Eric_Shea   :blink: Thanks Ken... I was just going off Jef...   May 25 2008, 02:49 PM
yarin   Hey Jeff, thanks for your in depth analysis.. but ...   May 25 2008, 05:59 PM
kwales   I don't hate Eric.... Anybody who does, is do...   May 25 2008, 07:08 PM
Eric_Shea   Thanks Ken :wub: But I think Jeff misplaced an ...   May 25 2008, 09:11 PM
yarin   All great points once again! How can I manuall...   May 25 2008, 10:41 PM
Jeff Hail   All great points once again! How can I manual...   May 26 2008, 01:28 AM
HAM Inc   Make sure the tranny is centered between the trail...   May 26 2008, 12:11 PM
yarin   Eric sent me a new CV no charge, got it a few days...   Jun 7 2008, 03:16 PM
yarin   more..   Jun 7 2008, 03:19 PM
yarin   Here is a quick video I shot illustrating the conc...   Jun 7 2008, 03:22 PM
kwales   All of mine slip on without pressing. That does l...   Jun 7 2008, 05:51 PM
yarin   The tranny mounts are the solid hard mounts, engin...   Jun 8 2008, 09:45 PM
yarin   Bump.. anyone care to share their CV installation ...   Jun 10 2008, 12:21 PM
racerx9146   I have a lifted Vanagon Syncro with 230 HP Subaru ...   Jun 10 2008, 05:37 PM
John   I was about to reply that mine typically slip onto...   Jun 10 2008, 02:47 PM
jhadler   Just thinking out loud here... Do you run on a pa...   Jun 10 2008, 06:26 PM
ericread   Just thinking out loud here... Do you run on a p...   Jun 11 2008, 08:42 AM
J P Stein   Like HAM I think there is something specific to yo...   Jun 11 2008, 10:55 AM


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