coozer
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| posted on 14/5/11 at 06:46 PM |
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Racetech Mirror Thread??
Got some nice little racetechs for me cage.. DOH!
 
Mirror
As soon as I took one out the box and saw the white nylock insert I knew....
I want to drill and tap the cage and mount these on the side.. anyone know what damn American thread they are??
Am I right in thinking its 1/4 UNF??
HOW TO CHECK???
1972 V8 Jago
1980 Z750
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snakebelly
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| posted on 14/5/11 at 06:57 PM |
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not sure drilling holes in the cage is a good idea is it? maybe weldf a tab onto the cage the drill into that?
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RichardK
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| posted on 14/5/11 at 07:04 PM |
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Think he's welding in threaded inserts if I remember correctly.
Cheers
Rich
Gallery updated 11/01/2011
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lotusmadandy
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| posted on 14/5/11 at 07:06 PM |
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I have a similar set on my cage.I drilled and tapped a hole.
It is m6 on mine mate.
Andy
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amalyos
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| posted on 14/5/11 at 08:11 PM |
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Use a large P clip, then you don't need to weld or drill your cage.
http://stevembuild.blogspot.com
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coozer
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| posted on 14/5/11 at 09:56 PM |
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WHAT THREAD IS IT!!!!!
1972 V8 Jago
1980 Z750
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indykid
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| posted on 14/5/11 at 10:12 PM |
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SPA mirrors are 2BA, though that's more like m5
Not sure what yours are but don't discount BA. They may be 0BA if they're 6mm ish
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HowardB
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| posted on 15/5/11 at 02:33 PM |
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measure the diameter (OD) and then the threads per inch, that will allow you to look it up on the google thing,... otherwise the easiest way is to get
some known threads and lay them side by side until you get one that meshes exactly with what you have.
hth
Howard
Fisher Fury was 2000 Zetec - now a 1600 (it Lives again  and goes zoom)
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rusty nuts
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| posted on 15/5/11 at 03:20 PM |
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As Howard suggests measure the diameter of the threads and also the pitch then compare the measurements in a Zues chart (pitch gauges are pennies and
will last a life time as will a Zues chart). HTH
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