andysteele Posted October 1, 2017 Share Posted October 1, 2017 just working through my list for the winter, at Curbourgh in August the scrutineer mentioned my wheel nuts, i have the open ended type, and she said that there should be more of the stud head through the nut. This would need longer studs, but looking around i didn't see anyone else with the same nuts, the others i spotted were of the closed head type.i assume i should invest in these from CC Parts, they will be no more secure, just the stud not visible? my nuts CC Parts Link to comment Share on other sites More sharing options...
F355GTS Posted October 1, 2017 Share Posted October 1, 2017 Andy the general view is 1.5 x the diameter (M12) so 18mm of stud should be secured by the nut. Difficult to see from your pic but they look OK to me Link to comment Share on other sites More sharing options...
andysteele Posted October 1, 2017 Author Share Posted October 1, 2017 thanks Mark.I cant secure any more of the stud with the current nuts. I need to swap wheels over anyway, so will measure if i have 18mm coverage. new nuts just hides the situation, and i assume studs are standard length.I`d rather not have to spend £50 on upgrading my nuts if i can avoid it! Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted October 1, 2017 Area Representative Share Posted October 1, 2017 What age is your car. Later cars were fitted with longer studs. It would be cheaper and better to change the studs. Link to comment Share on other sites More sharing options...
andysteele Posted October 2, 2017 Author Share Posted October 2, 2017 Car is 2009 Academy (kit delivered Nov 2008). Will measure my studs but I assume are latest? Link to comment Share on other sites More sharing options...
Mark Durrant Posted October 2, 2017 Share Posted October 2, 2017 AndyIIRC I have spare set of wheel nuts in the garage you can have for a donation to Race Against Dementia plus carriage at cost.Mark Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted October 2, 2017 Area Representative Share Posted October 2, 2017 Just looking at your picture again and I'm surprised scrutineering commented. Studs look to be virtually flush with the nuts. I would have thought they are fine. It seems silly that you should be pulled when others are probably similar but hidden by closed nuts. Link to comment Share on other sites More sharing options...
Simon.Rogers Posted October 2, 2017 Share Posted October 2, 2017 Bored Scrutineer! More than enough thread there. Link to comment Share on other sites More sharing options...
sjmmarsh Posted October 2, 2017 Share Posted October 2, 2017 Why do you think the others have closed nuts....??? Link to comment Share on other sites More sharing options...
andysteele Posted October 3, 2017 Author Share Posted October 3, 2017 Thanks for the comments all. SJM - I just looked around the other class 1,2,3 cars around and didn't spot any other open ended nuts. I did this quick look around with the scruitineer to compare as I was questioning. Mark - thanks for the offer, will leave it for now but will give you a shout if we think it's required! Link to comment Share on other sites More sharing options...
andysteele Posted October 7, 2017 Author Share Posted October 7, 2017 Swapped wheels over today. Studs are 40mm type, with 30mm of thread from the face of the hub. Nuts are 20mm. So if end of stud 2mm or less from end of nut then I have the 18mm of coverage. I think these pass. Link to comment Share on other sites More sharing options...
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