Stainless or grade 8? - Defender Source
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  #1  
Old April 5th, 2013, 06:27 AM
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Stainless or grade 8?

Which bolts for the tranny mounts, front cross member, rear shock mounts etc. would like to use stainless but am worried it might have the same issues as when used on roll cage.
Thanks
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  #2  
Old April 5th, 2013, 06:30 AM
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Grade 8 and plenty of waxoyl - I swear by that stuff. Makes things come apart soooo much easier, ask ED
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Old April 5th, 2013, 06:32 AM
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SS is not a good use for this at all.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

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  #4  
Old April 5th, 2013, 07:52 AM
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grade 8
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no thanks whatever I tell you, you will low ball me
I would rather keep the parts in storage
good luck with your search
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  #5  
Old April 5th, 2013, 08:13 AM
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  #6  
Old April 5th, 2013, 08:19 AM
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You can obtain high strength stainless fasteners, such as 17-4 PH, but they are very expensive. McMaster-Carr carries high strength stainless. Hardware store stainless bolts should be avoided and should never be used for critical applications.

If you are concerned about corrosion, check out McMaster-Carr's selection of "ultra corrosion resistant" Armor-Coat bolts and cadmium plated bolts. They offer Gr.8 Armor-Coat bolts and some Gr.5 cadmium plated bolts.

You will find that most automotive applications will use Gr.5 fasteners. Typically when replacing a bolt, I'll determine the grade of the original factory fastener, then replace with an equivalent.
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Old April 5th, 2013, 09:12 AM
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Quote:
Originally Posted by JSBriggs View Post
Grade 8 and plenty of antiseize. Moving to the SW will help as well.

-Jeff
To mention the quality of life enhancement, moving to the SW...Hell Jeff will even put you up and let you pitch a tent in the yard! lol...
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Old April 5th, 2013, 09:19 AM
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Grade 8 all the way. With antiseize.
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  #9  
Old April 5th, 2013, 10:07 AM
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You should use the original spec whether it is 5 or 8 or whatever. The spec torque will pertain to the grade used.
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  #10  
Old April 5th, 2013, 10:52 AM
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Thanks
Thought SW meant station wagon for a minute.
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