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Join Date: Sep 2004
Location: Tonawanda NY
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This look like normal CV wear?

Patiently waiting for the 930 to make it's way back from tub repairs and taking little time to clean and service while the powertrain sits. Anyone think this looks like normal CV wear? Am I using enough lube Ronnie? I can dm you a shot of the balls if you want to see them.



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82 930 Pearl White 3.3 964 cams, K27 HF, Kokeln, fuel enriched, IA fuel head mod, wur mod, crankfire, 2X plug, Aase worked heads. 1bar, GHL, zork, 23/33 bars, low, loud
Old 10-25-2020, 12:33 PM
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It looks like the CV joint dried out. Better maintenance may have helped prevent this. What brand are the CV joints?

Rahl
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Drive it like you hate it! 1976 930 Turbo Carrera, Mostly stock...Lightly sweetened
Old 10-25-2020, 01:45 PM
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My joints looked just like this at 68,000 miles, no cracked boots and full of grease. You could clean and repack the joints, then swap the axles left to right. This would load up the other side of the joint. Won't last forever, but probably as long as the current ****ty brunner boots will last.
Old 10-26-2020, 08:21 AM
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Maintenance? What? The boots have always been problematic and replaced a couple times over. Who doesn't agree this is one of the crappiest service projects for these cars... I'm more curious about the pitting onder the polished surface, almost like the casting is porous. New gkn lobro going back in unless anyone has a better suggestion. Rawknees what you using for lube these days?
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82 930 Pearl White 3.3 964 cams, K27 HF, Kokeln, fuel enriched, IA fuel head mod, wur mod, crankfire, 2X plug, Aase worked heads. 1bar, GHL, zork, 23/33 bars, low, loud
Old 10-26-2020, 06:45 PM
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Slyguy; as you said, it's a nasty job. I'd replace with new ones vs rebuilding those and 'git 'er done with. They're one of the cheaper air cooled P parts and in abundant supply. Two of my boot retainers were deformed like yours - likely a failure at some point that let the axle flail around without restraint until the car stopped. The oval can be reshaped to round using a vice and large socket or anything metal that is similar diameter to the opening.

Enjoy.
Old 10-27-2020, 03:12 AM
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Thankfully, the 930 CVs were so strong that they became the default CV setup in the off-road world, and those vehicles put them through hell with odd angles, shock loading, and often far more torque than our cars make. And it's a big market. Consequently there are more available options out there than you can imagine: cryo-treated, polished, and DLC coated? Available.
And the inner flange that the boot fits over: available, stamped or billet.
And the boots: multiple versions available, incl. multirib accordion-looking ones that are still pliable after 3 race seasons.
No, they aren't Genuine Porsche.
They're better.
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Old 10-29-2020, 11:25 AM
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Quote:
Originally Posted by TurboKraft View Post
Thankfully, the 930 CVs were so strong that they became the default CV setup in the off-road world, and those vehicles put them through hell with odd angles, shock loading, and often far more torque than our cars make. And it's a big market. Consequently there are more available options out there than you can imagine: cryo-treated, polished, and DLC coated? Available.
And the inner flange that the boot fits over: available, stamped or billet.
And the boots: multiple versions available, incl. multirib accordion-looking ones that are still pliable after 3 race seasons.
No, they aren't Genuine Porsche.
They're better.
Always appreciate the thoughtful input Chris thank you. A simple search yields almost too many options! I'm not good with choices...

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82 930 Pearl White 3.3 964 cams, K27 HF, Kokeln, fuel enriched, IA fuel head mod, wur mod, crankfire, 2X plug, Aase worked heads. 1bar, GHL, zork, 23/33 bars, low, loud
Old 10-29-2020, 06:53 PM
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