1/2" ARP wheel studs, 3"
Thread Starter
Burning Brakes
Joined: Jan 2009
Posts: 845
Likes: 54
From: Bangor, Northern Ireland
1/2" ARP wheel studs, 3"
Hi guys,
I'm going to change my wheel studs to 1/2" ARP wheel studs, 3". I changed the fronts to 7/16 ARP but on reflection I should have gone 1/2"
The ARP studs I had fitted to the front are -
https://www.summitracing.com/parts/ARP-100-7701 .486 knurl from memory. A machinist fitted them for me so i'm not sure what he did ie drill out further.
Anyhow I want to fit 1/2" 3" long front and back and i'm going to fit them myself. If anyone else has done this then which studs did they use and did they drill out? Also what is the hole size for a standard stud? I have a pillar drill and press now.
Thanks
Aaron.
I'm going to change my wheel studs to 1/2" ARP wheel studs, 3". I changed the fronts to 7/16 ARP but on reflection I should have gone 1/2"
The ARP studs I had fitted to the front are -
https://www.summitracing.com/parts/ARP-100-7701 .486 knurl from memory. A machinist fitted them for me so i'm not sure what he did ie drill out further.
Anyhow I want to fit 1/2" 3" long front and back and i'm going to fit them myself. If anyone else has done this then which studs did they use and did they drill out? Also what is the hole size for a standard stud? I have a pillar drill and press now.
Thanks
Aaron.
Thread Starter
Burning Brakes
Joined: Jan 2009
Posts: 845
Likes: 54
From: Bangor, Northern Ireland
Tech Contributor
Joined: Aug 1999
Posts: 15,175
Likes: 3,990
From: Connecticut, USA
I use those studs a lot. Most times I machine the length to the size the owner wants to use. Few want 3". You have to check to make sure the knurl length is not longer then the flange thickness and sticks out or you will have rotor issues.
Thread Starter
Burning Brakes
Joined: Jan 2009
Posts: 845
Likes: 54
From: Bangor, Northern Ireland
[QUOTE=GTR1999;1606807795]I use those studs a lot. Most times I machine the length to the size the owner wants to use. Few want 3". You have to check to make sure the knurl length is not longer then the flange thickness and sticks out or you will have rotor issues.[/QUOTE
Hi GTR. Yes I saw your helpful thread on it. I will check this👍
i r just purchased the studs, calipers rebuild kit and new nipples. I will report back on progress.
Hi GTR. Yes I saw your helpful thread on it. I will check this👍
i r just purchased the studs, calipers rebuild kit and new nipples. I will report back on progress.
Drifting
Joined: Nov 2007
Posts: 1,716
Likes: 281
From: New York
I went to 1/2 inch when a rear rim and tire passed me on the right. My thoughts went to thinking what would have happened if the studs gave out durning a Time Trial.
I went to a machine shop and had them do the rear bearings at the same time.
I went to a machine shop and had them do the rear bearings at the same time.
Last edited by cottoneg; Jul 9, 2023 at 08:21 AM.
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Drifting
Joined: Nov 2007
Posts: 1,716
Likes: 281
From: New York
It wasn't fun. I thought I was hit in the rear. I looked in the rear view mirror and saw nobody. Then the drivers side tire rolled past me. *DEEP SIGN*
Admittedly, I do run bigger than stock tires (335/35X17). So the stress is more than a stock tire and rim.
Admittedly, I do run bigger than stock tires (335/35X17). So the stress is more than a stock tire and rim.