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Wheel studs or factory wheel bolts

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Old 03-20-2019, 11:59 AM
  #16  
993GT
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pretty well documented that the factory bolts are more durable than most of the stud kits in real world use
Old 03-20-2019, 01:09 PM
  #17  
03EvoIII
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Originally Posted by jdexter
I just ordered some studs. Like everything, powdrhound has already posted on this with the porsche motorsport information. H&R 1454005 is the part number for what you want. They install with 32 ftlb of torque to the hub. Then get the steel lug nuts. They need 118 ft lb.

Awesome! Thanks for posting this. I ordered the rennline stud/nut kit. I assume I can use the same torque specs.
Old 03-20-2019, 01:15 PM
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HenryPcar
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Originally Posted by Ogr8frogy
So the question is what do you prefer wheel studs or the factory wheel bolts?
I went to studs on my c2 and it was nicer using them
but my turbo has the PCCB’s.
Is it wise to stay with the factory bolts or can I use the studs with my brakes.
I think it would be easier using the studs in the sense of not hitting the rotors trying to put the wheel on. I know to use the guide pins but I’ll looking to see if there is any draw back to doing so with the studs.
I have not found anything in a search either.
So all and any input would be appreciated

Bolts, especially with spacers and after market titanium bolts. You save quite a bit of weight using titanium bolts because the entire bolt and threads are Ti and is stronger than steel.
Old 03-20-2019, 01:32 PM
  #19  
Dock
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Originally Posted by 993GT
pretty well documented that the factory bolts are more durable than most of the stud kits in real world use

Old 03-20-2019, 01:38 PM
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The Ti bolts are some nice jewelry to put on the wheels and they save about a pound per wheel. Mine have been good durability wise with many wheel on/off events for brake bleeding and suspension upgrades. World Motorsports have the best prices.

Old 03-20-2019, 01:48 PM
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jdexter
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I think titanium is a no-no for race applications. Titanium is not as strong as steel for this application.
Old 03-20-2019, 01:55 PM
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Carlo_Carrera
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Every professional race team in the world uses studs.
Old 03-20-2019, 02:01 PM
  #23  
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Originally Posted by Carlo_Carrera
Every professional race team in the world uses studs.
Probably because of they provide for quicker wheel changes.

Old 03-20-2019, 02:12 PM
  #24  
HenryPcar
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Originally Posted by jdexter
I think titanium is a no-no for race applications. Titanium is not as strong as steel for this application.
Proof ?
Old 03-20-2019, 02:21 PM
  #25  
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I don't have any. I'm a surgeon. But guys I know who know a lot about this have told me. ??♂
Old 03-20-2019, 02:26 PM
  #26  
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https://www.acerracing.com/ACERLug_T...lts-128-1.html
Old 03-20-2019, 03:28 PM
  #27  
techweenie
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I think a guide pin is the cheaper and easier way around dealing with stock wheel bolts.

And it's not an expensive solution: https://www.ebay.com/itm/1pc-14x1-5-...di/16239877099
Old 03-20-2019, 04:38 PM
  #28  
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We have found that the H&R studs are the only ones that hold up long term. My shop uses these on all cars used in endurance racing. I would not trust any other studs most most of which have well documented failures. I have run H&R studs on my car with many years of hard track use. Torque to 118ft.lb!

For street cars, I see no benefit of using studs.
Old 03-20-2019, 05:23 PM
  #29  
s65e90
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Originally Posted by powdrhound
We have found that the H&R studs are the only ones that hold up long term. My shop uses these on all cars used in endurance racing. I would not trust any other studs most most of which have well documented failures. I have run H&R studs on my car with many years of hard track use. Torque to 118ft.lb!

For street cars, I see no benefit of using studs.
95% of street cars come with studs.
Old 03-20-2019, 05:27 PM
  #30  
powdrhound
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Originally Posted by s65e90
95% of street cars come with studs.
Yes, and basically 100% of which are press in studs, not screw in. 0% of modern Porsche street cars come with studs. All I'm saying is that studs offer the advantage during frequent wheel changes at the track and that is simply not the case with street driven cars, hence my statement that they do not offer any advantage over OEM lug bolts in street applications.


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