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rear disc bakes and longer studs #2077733 05/21/16 04:28 PM 05/21/16 04:28 PM
Joined: May 2004 Posts: 137 MN 5 58pwrwgn OP member
58pwrwgn OP member 5 Joined: May 2004 Posts: 137 MN	Do the rear disc brake kits require longer studs. The rearend I plan to use needs a number of studs. Maybe in the future I my add rear discs and would prefer to only have to replace them once.

Re: rear disc bakes and longer studs [Re: 58pwrwgn] #2077737 05/21/16 04:34 PM 05/21/16 04:34 PM
Joined: Jan 2003 Posts: 31,044 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,044 Oregon	Shouldn't be an issue. The hat on a rotor is usually about 1/4 inch thick while the drum might be 1/8 thick. You shouldn't notice the difference.

Re: rear disc bakes and longer studs [Re: AndyF] #2077780 05/21/16 06:21 PM 05/21/16 06:21 PM
Joined: Dec 2007 Posts: 18,157 Mass DAYCLONA I Live Here
DAYCLONA I Live Here Joined: Dec 2007 Posts: 18,157 Mass	Originally Posted By AndyF Shouldn't be an issue. The hat on a rotor is usually about 1/4 inch thick while the drum might be 1/8 thick. You shouldn't notice the difference. while not generally a concern with steel wheels adding discs to the rear regarding stud length, it can become an issue with aftermarket aluminum wheels because of the added thickness of the wheel center and some rotor kits can be upward of 3/8" thick in the hat area, so the OP should consider if aluminum wheels are in future plans

Re: rear disc bakes and longer studs [Re: DAYCLONA] #2077950 05/21/16 10:52 PM 05/21/16 10:52 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	Originally Posted By DAYCLONA Originally Posted By AndyF Shouldn't be an issue. The hat on a rotor is usually about 1/4 inch thick while the drum might be 1/8 thick. You shouldn't notice the difference. while not generally a concern with steel wheels adding discs to the rear regarding stud length, it can become an issue with aftermarket aluminum wheels because of the added thickness of the wheel center and some rotor kits can be upward of 3/8" thick in the hat area, so the OP should consider if aluminum wheels are in future plans On my rear drum brake setup, OE length studs were just long enough with aluminum wheels with just a bit over 1/2" thread engagement. I didn't like being marginal in that respect so went to 3" studs. When I changed to discs, no problem with the 3" studs. They still "stick out" but that is OK!

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