Bainzy Posted December 25, 2013 Share Posted December 25, 2013 Does anyone know what the thread is in this hole, or have one on a bench they can test some bolts in for me? There's a pair of these holes at the back of the overdrive unit that would be perfect for attaching a bracket to for a vehicle speed sensor. I've tried a few bolts I have lying around but nothing seemed to fit properly. Quote Link to comment Share on other sites More sharing options...
thescrapman Posted December 25, 2013 Share Posted December 25, 2013 They are unc. Prob 3/8 so need a 9/16 spanner. Usually hold the remote for tge gearstick on. Quote Link to comment Share on other sites More sharing options...
yorkshire_spam Posted December 25, 2013 Share Posted December 25, 2013 If I'm looking in the right place on Canleys:http://www.canleyclassics.com/?xhtml=xhtml/diagram/spitfire1500towerendcover.html&xhtmlcatalogue=xhtml/catalogue/spitfire1500.html&category=gearbox&xsl=diagram.xslThey would be: HU858 SETSCREW - 5/16" X 1" UNCedit:Actually - I dunno at all - I notice you are looking for the ones on the "underside" not the ones that support the gear stick. Quote Link to comment Share on other sites More sharing options...
Bainzy Posted December 25, 2013 Author Share Posted December 25, 2013 6797 wrote:Actually - I dunno at all - I notice you are looking for the ones on the "underside" not the ones that support the gear stick.Correct - should've made that clearer in the post! I think they were probably for attaching the unit to the chassis of other cars they were used on or something? Quote Link to comment Share on other sites More sharing options...
thescrapman Posted December 25, 2013 Share Posted December 25, 2013 Those holes are used if installed into a dolomite.Cheers Quote Link to comment Share on other sites More sharing options...
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