gr8ging
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| posted on 26/11/07 at 05:01 PM |
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Nut Under Car
Is there an issue for SVA with bolts protruding through the floor and a nut on the underside of the car. I'm thinking radius?
Personaly I don't think it is good engineering practice to put a bolt going up and the nut insde, as if the nut were to come off the bolt would
fall out.
What is acceptable for SVA?
Cheers
Weaseling out of things is what separates us from the animals.... except the weasel.
You couldn't fool your own mother on the foolingest day of your life with an electrified fooling machine!
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worX
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| posted on 26/11/07 at 05:06 PM |
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I never thought of it that way, but all my nuts are inside the car ( ) and the bolts come from underneath, for things like the seats...
And I obviously passed SVA like that.
Steve
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jambojeef
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| posted on 26/11/07 at 05:18 PM |
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Theres a cone at SVA which Mr SVA places on the ground.
Where the cone touches the bodywork is declared the bottom edge and anything beneath this line is not tested for protrusions.
Hence you can have engines poking out the bottom of a chassis and it pass (like mine).
Geoff
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DaveFJ
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| posted on 26/11/07 at 05:21 PM |
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I get what you mean about best engineering practice, however... I would prefer the nut to be protected rather than exposed under the car. you can
imaging it becoming incredibly hard to undo if exposed like that....
Dave
"In Support of Help the Heroes" - Always
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Paul TigerB6
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| posted on 26/11/07 at 05:22 PM |
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SVA doesnt check for radiused edges on the bottom of the car. Personally i'd go Steve's way in order to maximise ground clearance - a
nyloc nut wont be coming off anyway if its tightened up so i wouldnt worry about the bolt dropping out.
Paul
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smart51
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| posted on 26/11/07 at 05:59 PM |
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My seats and seatbelts have the bolt going through from the top with the nut underneath. The reasoning is that if the nut falls off. the bolt will
locate the seat a bit. A bolt underneath will fall off.
I took my seats off after 2 years because the runner bearings popped out. The nuts hadn't corroded.
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snapper
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| posted on 26/11/07 at 06:40 PM |
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If you are worried about ythe bolt dropping out with a nut inside the car, then wire it.
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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LBMEFM
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| posted on 26/11/07 at 07:46 PM |
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My advice would be always to keep your nuts dry. 
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NS Dev
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| posted on 26/11/07 at 08:36 PM |
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doesn't matter at all, either way up is no issue, don't have too many mm of exposed thread underneath though, as that could be classed as
poor engineering and fail (though still not a radius fail)
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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Simon
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| posted on 26/11/07 at 10:15 PM |
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My seats are so close to the floor, I can only use nuts in, bolts under.
Never been a prob. Used nylocs to stop them undoung.
ATB
Simon
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