Home  |  Forums  |  914 Info  |  Blogs
 
914World.com - The fastest growing online 914 community!
 
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG. This site is not affiliated with Porsche in any way.
Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners.
 

Welcome Guest ( Log In | Register )

> BBS Studs, Are in
DanT
post May 31 2006, 07:28 PM
Post #1


Going back to the Dark Side!
****

Group: Members
Posts: 4,300
Joined: 4-October 04
From: Auburn, CA
Member No.: 2,880
Region Association: None
Got everything back together...

Screw in BBS 80mm studs. 1/2 inch spacers in rear and 3/4 inch spacers in front (thanks Mike Mueller),

Good thing I did this. these old cars are just not very square....
right rear was rubbing on the inside fender well...pretty much the entire semicircle.
left rear was rubbing in just a small spot. Due to my pretty aggressive negative camber. -2.75 in the rear.

car is bound to be faster since I dont have a built in rubber brake system now (IMG:style_emoticons/default/smile.gif)

I have had 2 other 4 cylinder 914s with very similar setups with no rubbing issues.

Stance looks much better now. (IMG:style_emoticons/default/biggrin.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
2 Pages V  1 2 >  
 Reply to this topicStart new topic
Replies(1 - 19)
jd74914
post May 31 2006, 07:55 PM
Post #2


Its alive
****

Group: Members
Posts: 4,780
Joined: 16-February 04
From: CT
Member No.: 1,659
Region Association: North East States
Where and what did you get for BBS studs Dan?
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
DanT
post May 31 2006, 08:09 PM
Post #3


Going back to the Dark Side!
****

Group: Members
Posts: 4,300
Joined: 4-October 04
From: Auburn, CA
Member No.: 2,880
Region Association: None
for running large wheel spacers...needed to get my wheels out further.

BBS studs are racing studs. very strong...not the usual cheapo buggy shop stuff.

14x1.5 x 80mm

Got them from www.bimmerworld.com

Not cheap but they worked for my application.

I have 4 bolt hubs with billet front hubs running vented rotors.
I needed screw in studs to work witih the billet front hubs since they are not able to be drilled for pull through studs.

Is this what you were asking? (IMG:style_emoticons/default/smile.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Aaron Cox
post May 31 2006, 08:14 PM
Post #4


Professional Lawn Dart
***************

Group: Retired Admin
Posts: 24,541
Joined: 1-February 03
From: OC
Member No.: 219
Region Association: Southern California
how do you secure screw in studs? locktite?
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
DanT
post May 31 2006, 08:18 PM
Post #5


Going back to the Dark Side!
****

Group: Members
Posts: 4,300
Joined: 4-October 04
From: Auburn, CA
Member No.: 2,880
Region Association: None
Yes Aaron.

lots of red loctite #271. And then torque to about 135 foot pounds.

I will recheck torque tomorrow. they sure do look nice filling out the fenders much better.

this was the method the Mike Mueller used on his car with good success.

and it sure is a lot better than those blasted lug bolts (IMG:style_emoticons/default/sad.gif) (IMG:style_emoticons/default/smile.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Aaron Cox
post May 31 2006, 08:21 PM
Post #6


Professional Lawn Dart
***************

Group: Retired Admin
Posts: 24,541
Joined: 1-February 03
From: OC
Member No.: 219
Region Association: Southern California
trusting my wheels (and life) to red loctite is not appealing (IMG:style_emoticons/default/sad.gif)

be safe out there (IMG:style_emoticons/default/smile.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Dave_Darling
post May 31 2006, 08:33 PM
Post #7


914 Idiot
**********

Group: Members
Posts: 14,986
Joined: 9-January 03
From: Silicon Valley / Kailua-Kona
Member No.: 121
Region Association: Northern California
I'd hazard a guess that the threads are doing much more to hold the wheels on than the loc-tite is... The loc-tite is, after all, just supposed to keep the studs from unscrewing themselves.

Probably something to work into your "between-race inspection" routine, though--make sure the studs are still in tight.

--DD
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
bd1308
post May 31 2006, 08:34 PM
Post #8


Sir Post-a-lot
*****

Group: Members
Posts: 8,020
Joined: 24-January 05
From: Louisville,KY
Member No.: 3,501
QUOTE(Aaron Cox @ May 31 2006, 08:21 PM) *

trusting my wheels (and life) to red loctite is not appealing (IMG:style_emoticons/default/sad.gif)

be safe out there (IMG:style_emoticons/default/smile.gif)

Silly AAron, thats what duct tape is for (IMG:style_emoticons/default/biggrin.gif)

b
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Aaron Cox
post May 31 2006, 08:38 PM
Post #9


Professional Lawn Dart
***************

Group: Retired Admin
Posts: 24,541
Joined: 1-February 03
From: OC
Member No.: 219
Region Association: Southern California
maybe use a paint reference mark to see if they have moved.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
jd74914
post May 31 2006, 09:18 PM
Post #10


Its alive
****

Group: Members
Posts: 4,780
Joined: 16-February 04
From: CT
Member No.: 1,659
Region Association: North East States
QUOTE(Dan (Almaden Valley) @ May 31 2006, 10:09 PM) *

for running large wheel spacers...needed to get my wheels out further.

BBS studs are racing studs. very strong...not the usual cheapo buggy shop stuff.

14x1.5 x 80mm

Got them from www.bimmerworld.com

Not cheap but they worked for my application.

I have 4 bolt hubs with billet front hubs running vented rotors.
I needed screw in studs to work witih the billet front hubs since they are not able to be drilled for pull through studs.

Is this what you were asking? (IMG:style_emoticons/default/smile.gif)


Yep, Thanks (IMG:style_emoticons/default/smile.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Brando
post May 31 2006, 10:23 PM
Post #11


BUY MY SPARE KIDNEY!!!
****

Group: Members
Posts: 3,935
Joined: 29-August 04
From: Santa Ana, CA
Member No.: 2,648
Region Association: Southern California
After threading the screws in... I'd definitely tack weld 'em in. But thats only because if I were going with studs, I would make them permanent.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
DanT
post May 31 2006, 10:24 PM
Post #12


Going back to the Dark Side!
****

Group: Members
Posts: 4,300
Joined: 4-October 04
From: Auburn, CA
Member No.: 2,880
Region Association: None
QUOTE(Aaron Cox @ May 31 2006, 07:21 PM) *

trusting my wheels (and life) to red loctite is not appealing (IMG:style_emoticons/default/sad.gif)

be safe out there (IMG:style_emoticons/default/smile.gif)




Yoehhh,

Loctite is not retaining the stud...it is torqued.....the loctite is only there to help insure it stays put....nothing more....kind of like a lock-washer.

having a screw in stud is no different than having a lug bolt or a lug nut on a stud....

You check to make sure you have proper length and proper torque...yes they are marked so I can tell when I pull the wheels if they have moved.

Just because it is different doesn't make it unsafe...just a different way to do a job.

Kind of like the flack I took for mounting my oil cooler laying flat in the floor of the trunk. Just a different way of skinning the cat.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
bernbomb914
post May 31 2006, 10:46 PM
Post #13


one of the oldest Farts on this board
***

Group: Benefactors
Posts: 1,873
Joined: 29-December 02
From: Temecula, CA
Member No.: 36
i have had no problems with screw in studs. I also have a rear mounted oil cooler which works very good

Bernie
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Mueller
post May 31 2006, 11:23 PM
Post #14


914 Freak!
***************

Group: Members
Posts: 17,146
Joined: 4-January 03
From: Antioch, CA
Member No.: 87
Region Association: None
QUOTE(Aaron Cox @ May 31 2006, 07:21 PM) *

trusting my wheels (and life) to red loctite is not appealing (IMG:style_emoticons/default/sad.gif)

be safe out there (IMG:style_emoticons/default/smile.gif)



Arron and others, don't take this personally... (IMG:style_emoticons/default/biggrin.gif)


You f'n anti-screw-in wheel stud people need to pull your head out of your @ss !!!!!!

Screw-in studs used with nuts are far superior to the stock "bolts", yet you fling or flung your car around for years using that method.... (IMG:style_emoticons/default/screwy.gif)

The only reason for the bad press on screw-in studs is from dumb, cheap owners that used the stuff sold at the bug shops or JC Whitney that used inferior material and never heard of a thread locking compound.

The good studs are not threaded all the way, they have a X amount of threads that go into the flange and when tightened you not only have the threads in tension, there is a clamping force between the diameter of the body of the unthreaded stud and the flange. Now install the wheel and add a nut, once tightened you have tension of the stud as well as clamping between the nut and the wheel.

With just a bolt like previous, you have tension of the bolt as well as friction against the wheel, the problem is that the friction can change so that the tension can change as well.

With the loctite that Dan is using, the only way (if applied properly to clean threads), the only way for those studs to come loose would be to apply 500° to the threads while at the same time trying to remove them with tools.

Since all the studs are the same length, it should be pretty damn obvious if stud is working it's way out.

(I don't give a hoot if you are using 911 parts now, before when running stock /4 parts, you had bolts)

I guess the BMW Club Racing guys are a bunch of idiots since they all use screw-in studs which are 12mm instead of our 14mm studs (IMG:style_emoticons/default/smile.gif) (IMG:style_emoticons/default/blink.gif)

off soapbox (IMG:style_emoticons/default/poke.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Trekkor
post Jun 1 2006, 12:02 AM
Post #15


I do things...
*****

Group: Members
Posts: 7,809
Joined: 2-December 03
From: Napa, Ca
Member No.: 1,413
Region Association: Northern California
I like it.

What is the price, please?


KT
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Brando
post Jun 1 2006, 12:17 AM
Post #16


BUY MY SPARE KIDNEY!!!
****

Group: Members
Posts: 3,935
Joined: 29-August 04
From: Santa Ana, CA
Member No.: 2,648
Region Association: Southern California
Where can they be aquired?
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
sixnotfour
post Jun 1 2006, 01:47 AM
Post #17


914 Wizard
**********

Group: Members
Posts: 10,432
Joined: 12-September 04
From: Life Elevated..planet UT.
Member No.: 2,744
Region Association: Rocky Mountains
QUOTE
Where can they be aquired?


QUOTE
Got them from www.bimmerworld.com

(IMG:style_emoticons/default/beer3.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
STL914
post Jun 1 2006, 05:17 AM
Post #18


Senior Member
***

Group: Members
Posts: 1,180
Joined: 22-October 03
From: O'Fallon, MO
Member No.: 1,271
Region Association: Upper MidWest
QUOTE(Dan (Almaden Valley) @ May 31 2006, 05:28 PM) *

Got everything back together...

Screw in BBS 80mm studs. 1/2 inch spacers in rear and 3/4 inch spacers in front (thanks Mike Mueller),


Dan, what size are the clearance holes for the studs? I'm planning on having a set of spacers made for my car and had planned on drilling 9/16 diameter holes thru the spacers. Are yours hub centric?

Gary
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Chris Pincetich
post Jun 1 2006, 07:15 PM
Post #19


B-)
****

Group: Members
Posts: 2,082
Joined: 3-October 05
From: Point Reyes Station, CA
Member No.: 4,907
Region Association: Northern California
(IMG:style_emoticons/default/thisthreadisworthlesswithoutpics.gif)
(I've always wanted to use that one)
(IMG:style_emoticons/default/beerchug.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
DanT
post Jun 1 2006, 07:29 PM
Post #20


Going back to the Dark Side!
****

Group: Members
Posts: 4,300
Joined: 4-October 04
From: Auburn, CA
Member No.: 2,880
Region Association: None
I'll try to take some pics this weekend. The holes in the spacers for the studs to clear....? Check with mike Mueller. I would say they are about 16 or so MM. Since they fit the 14 MM studs pretty tight.

Cost was I believe about $7 per stud. not cheap...but not a crappy littel buggy stud either.

They are threaded ~15mm on the end that goes into the hub. Then there is a clear shank with no threads about 20mm. then the rest is threaded to accept your wheel and lug nut.
The clear shank also allows you to torque the stud into the hub with material to actually torque against.
No the spacers are not hub centric... but since I am using steel ball seat nuts they center the wheel nicely as long as you tighten them in consecutive order to let the wheel center on the ball seats and then torque correctly.
drove the car to my office today and all worked fine. No wheels out of whack and when I got home retorqued and all were as torqued the night before. (IMG:style_emoticons/default/biggrin.gif)
With the 80 mm studs I have about 5 threads on the out side of the open head lug nut. That is running stock 4 bolt fuchs with 1/2 inch spacers on the rear and 3/4 inch spacers on the front.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
« Next Oldest · 914World Garage · Next Newest »
 

2 Pages V  1 2 >
Reply to this topicStart new topic
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

 

Display Mode: Switch to: Standard · Linear+ · Switch to: Outline

Track this topic · Email this topic · Print this topic · Subscribe to this forum

- Lo-Fi Version Time is now: 18th May 2024 - 06:45 AM
Invision Power Board v9.1.4 © 2024  IPS, Inc.
All rights reserved 914World.com © since 2002
914World.com is the fastest growing online 914 community!
We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ...