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Our host Pelican carries a M8x48 bolt with triple square head. Original Porsche brand or OEM. They are for 924 Turbo CV, so they should be strong enough. Only 2mm missing in length, that might work.
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Gilles RoW 88 Carrera coupé |
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12-05-2025, 10:27 AM
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Join Date: Oct 2022
Location: CT, USA
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Car’s all set. Hardest part of re-assembly was the parking brake… I’m doing something wrong but it sure seems like you need 3 hands to work the cable, the springs and then get a washer & nut on it.
I froze the new wheel bearing overnight but nature being nature, it was -8C when I went out to press it in, so I had actually warmed it up, lol. So I heated the housing with a MAP torch. That went together easy, put the parking brake back on, and then pressed in the hub which was also pretty easy honestly. That press kit has just the right bits, a small disc for the rear to support the inner race and a big disc to locate on those 3 raised sections on the face of the hub. Pretty simple to get it lined up. Did everything dry, just used some grease on the hub splines. The big monster torque wrench from China/Amazon worked well, in hindsight I’ll buy a short 3/4” extension just to move it back from the car a little. But it was simple to put 360 ft lbs on.  
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1988 3.2 Carrera sunroof coupe “Rufus” (as in Parnelli Jones) 1974 Triumph Spitfire “The beast” 1974 VW Super Beetle Convertible “Zippy” 2014 Audi A5 S-line 6-sp “Lyle” |
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12-07-2025, 05:43 AM
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Location: CT, USA
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btw good parking brake tutorial:
https://******************/diy-how-to-replace-parking-brake-shoes-and-rear-rotors-on-a-classic-air-cooled-porsche-911/
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1988 3.2 Carrera sunroof coupe “Rufus” (as in Parnelli Jones) 1974 Triumph Spitfire “The beast” 1974 VW Super Beetle Convertible “Zippy” 2014 Audi A5 S-line 6-sp “Lyle” |
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12-07-2025, 06:36 AM
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Location: CT, USA
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Since folks got into alternate bolts here, I just wanted to add that in a G50 Coupe the stock 50mm bolts have 1.5cm of thread to feed into the output flange from the inner CV joint. I measured mine.
So a 45mm bolt will lose ~33% of the thread contact. I’m no expert but on its face that doesn’t sound like a great idea. YMMV.
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1988 3.2 Carrera sunroof coupe “Rufus” (as in Parnelli Jones) 1974 Triumph Spitfire “The beast” 1974 VW Super Beetle Convertible “Zippy” 2014 Audi A5 S-line 6-sp “Lyle” |
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12-22-2025, 08:37 AM
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Join Date: Jun 2015
Location: Chicago, IL
Posts: 3,186
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The guideline for thread engagement for a steel threaded fastener is around 1 to 1.2 times the thread diameter. I think 10mm still gives enough engagement.
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'80 SC Targa Avondale, Chicago, IL |
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12-22-2025, 04:41 PM
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Location: CT, USA
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ah, thank you! I was not aware of that.
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1988 3.2 Carrera sunroof coupe “Rufus” (as in Parnelli Jones) 1974 Triumph Spitfire “The beast” 1974 VW Super Beetle Convertible “Zippy” 2014 Audi A5 S-line 6-sp “Lyle” |
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12-23-2025, 04:52 AM
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88 Carrera coupé
