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> CV Joint alternative, Remanufacturing
Red-Beard
post Sep 27 2005, 09:46 PM
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There is a local shop on my monday night route which remans CV joints. The machine the joints and install oversize balls. The 914/6 friggen joint is unique. At least 1 of mine has gone bad.

Has anyone tried this?
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Gint
post Sep 27 2005, 10:04 PM
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Nope. Lemme know how it works out?
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mikey
post Sep 27 2005, 11:06 PM
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My -6 CV joints were buggered too. I just replaced them with -4s at the recommendation of Brad and Rich Bontempi at HPH. They said the only difference between a -6 and -4 CV is that the -6 internally has one more spline. The dimensions, strength, outside appearance, etc of the -4 CV are the same as the -6.

Changing ball size sounds like a lot of trouble and expense. If you go that route let us know how much it cost and what the result was. (I still have my worn out -6 CVs that could be redone).
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mightyohm
post Sep 27 2005, 11:18 PM
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mikey - where did you get your -4 joints?

I would like to know the costs of rebuilding also.

Someone should go into business adapting VW CV's for 914's. All it would require is a lathe...
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Aaron Cox
post Sep 27 2005, 11:19 PM
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QUOTE (jkeyzer @ Sep 27 2005, 10:18 PM)
mikey - where did you get your -4 joints?

I would like to know the costs of rebuilding also.

Someone should go into business adapting VW CV's for 914's. All it would require is a lathe...

Jeff-

which vw Cv's? and what is turned on the lathe?
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Engman
post Sep 27 2005, 11:27 PM
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Yep - got both seats redone locally for $100 - this was 5 years ago - 12000 miles and they are fine...


M
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mikey
post Sep 27 2005, 11:52 PM
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mikey - where did you get your -4 joints?


I got mine at HPH in Redwood City. Rich Bontempi had just got a bunch of them.
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lapuwali
post Sep 28 2005, 03:22 PM
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Hm. Perhaps buy a set to put on the shelf would be prudent. Did Rich indicate he had a steady supply, or did he just raid some secret NOS stash?
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mightyohm
post Sep 28 2005, 03:45 PM
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QUOTE (mikey @ Sep 27 2005, 09:52 PM)
QUOTE
mikey - where did you get your -4 joints?


I got mine at HPH in Redwood City. Rich Bontempi had just got a bunch of them.

New or used?
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mightyohm
post Sep 28 2005, 03:47 PM
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Oh and Aaron. I think they are just VW bug CV's.

Two holes need to be opened up to fit the dowel pins (and have a seat about 1/2" down to keep the dowels from going too far).

The outside edge needs to be turned down a couple mm to fit the gasket.

That is if we are going for a perfect replacement, you can "make things work" with no mods at all. But you know how much we like things to be original!
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mikey
post Sep 28 2005, 06:22 PM
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New or used?


New.

Don't remember what the cost was. I've heard that they periodically are hard to come by so I grabbed them as soon as they were available.
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SLITS
post Sep 28 2005, 06:25 PM
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The reman people use a dedicated machine to hog out the recesses (built specifically for that purpose) and that is why they use an over size ball. Common practice.............
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Red-Beard
post Sep 28 2005, 07:13 PM
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QUOTE (mikey @ Sep 27 2005, 09:06 PM)
My -6 CV joints were buggered too. I just replaced them with -4s at the recommendation of Brad and Rich Bontempi at HPH. They said the only difference between a -6 and -4 CV is that the -6 internally has one more spline. The dimensions, strength, outside appearance, etc of the -4 CV are the same as the -6.

Changing ball size sounds like a lot of trouble and expense. If you go that route let us know how much it cost and what the result was. (I still have my worn out -6 CVs that could be redone).

So, are you saying a 4 axel will replace a 6 axel?
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mikey
post Sep 28 2005, 07:20 PM
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Exactly - a -4 axle with -4 CV joints on it will replace a -6 axle with -6 CV joints on it.

However, you can't mix and match axles and CV joints, due to the fact that the -6 CV joint and axle have one more spline than the -4 CV joint and axle

In all other respects (dimensionally) they are the same.
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Aaron Cox
post Sep 28 2005, 07:25 PM
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why didnt porsche have ONE cv for all early 911's and 914's?

one spline difference..... (IMG:http://www.914world.com/bbs2/html/emoticons/screwy.gif)
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Cap'n Krusty
post Sep 28 2005, 07:44 PM
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QUOTE (Aaron Cox @ Sep 28 2005, 05:25 PM)
why didnt porsche have ONE cv for all early 911's and 914's?

one spline difference..... (IMG:http://www.914world.com/bbs2/html/emoticons/screwy.gif)

Because the axles, like the bodies, the engines, the trannies, and a lot more, were sourced from VW. VW used their CVs, modified, and Porsche used theirs. 911 CVs didn't come from any VW product or project. The Cap'n
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kart54
post Sep 28 2005, 07:45 PM
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Performance Products in the San Fernando Valley sells the complete axle for the 914-4 for $361.95 and the CV joint for $110.95 each. Just looked in my catalogue before writing this. Available now and have been for some time as far as I know. I bought a new pair of complete axles when I bought my car in February of this year.
You can find them at www.automotion.com or call 1 800 423-3173.
I have no affiliation with them, just a satisfied customer.
Randy
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mikey
post Sep 28 2005, 07:51 PM
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QUOTE
Performance Products in the San Fernando Valley sells the complete axle for the 914-4 for $361.95 and the CV joint for $110.95 each.
(IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif)

Yipes! That sounds steep! I don't remember exactly how much I paid HPH, but I'm sure it was under $200 for each axle/CV joint unit.

Jeesh, maybe they have gone up that much in the last year due to availability (or lack thereof)
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