 Wives Tale About Studs, Exhaust, That Is |
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| damnfiknow |
 Dec 9 2009, 08:50 PM
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#1
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Member  Group: Members Posts: 77 Joined: 25-October 09 From: Texas Member No.: 10,980 Region Association: None  |
Have heard that the use of Stainless Steel exhaust studs is verbotten. Won't give under high heat and tend to pull out. Any validity to this?
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| Geezer914 |
Dec 9 2009, 09:03 PM
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#2
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Geezer914 Group: Members Posts: 2,010 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States 
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I have used stainless header bolts with aluminum heads on American v8's and never had a problem.
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| Mike Bellis |
Dec 9 2009, 09:16 PM
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#3
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Resident Electrician Group: Members Posts: 8,347 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None 
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Only problem I've had with stainless would be galling of the threads. Any bit of debris will stop the stud from turning. Must blow out the hole well and use anti seize.
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| charliew |
Dec 10 2009, 01:00 PM
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#4
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Advanced Member Group: Members Posts: 2,363 Joined: 31-July 07 From: Crawford, TX. Member No.: 7,958 |
I use anti sieze anywhere on any fastener unless it's getting loctite. My experience with pulling threads is they were not torqued to specs to begin with. I once tried to use ss bolts and nuts on a jeep body and they were hard to use without neversieze. The next jeep got ss bolts with brass nuts holding the body on and together.
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| Katmanken |
Dec 10 2009, 05:18 PM
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#5
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You haven't seen me if anybody asks... Group: Members Posts: 4,738 Joined: 14-June 03 From: USA Member No.: 819 Region Association: Upper MidWest |
The military is all over the use of stainless fasteners to meet a 15 year life minumum..........
They also use a removable steel insert for blind holes.... |
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| underthetire |
Dec 10 2009, 05:22 PM
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#6
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
The only down sides to stainless is they will stretch easier than steel, and they do not have the pull strength as steel. But for non critical attachment such as exhaust they should be fine.
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| underthetire |
Dec 10 2009, 05:28 PM
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#7
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
Actually, here http://www.thomasnet.com/articles/hardware...tener-materials is a good quick write up of fastener types. It does not get in to specific hardness for each size though.
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| GS Guy |
Dec 10 2009, 06:47 PM
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#8
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Member Group: Members Posts: 243 Joined: 8-July 04 From: Columbia, MD Member No.: 2,325 Region Association: North East States |
These might be of interest. (IMG:style_emoticons/default/smile.gif)
http://www.arp-bolts.com/Catalog/Catalog.J...atalog_0075.jpg Jeff |
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| veltror |
Dec 10 2009, 07:17 PM
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#9
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Senior Member Group: Members Posts: 930 Joined: 27-April 08 From: Potters Bar Herts UK Member No.: 8,978 Region Association: None |
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