diesel Posted October 7, 2008 Share Posted October 7, 2008 I have a 1992 CH613 with camelback suspension. I am switching the 8 steel rear wheels to aluminum. Any idea what length of studs I am going to need? Quote Link to comment Share on other sites More sharing options...
Rob Posted October 7, 2008 Share Posted October 7, 2008 I have a 1992 CH613 with camelback suspension. I am switching the 8 steel rear wheels to aluminum. Any idea what length of studs I am going to need?Most any tire and/or wheel vendor will be able to provide you that information. A lot of heavy truck parts vendors will be able to also.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
diesel Posted October 8, 2008 Author Share Posted October 8, 2008 After pulling two steel wheels off the truck and doing some measuring, I have decided to go with a 5 and 3/32" long stud. The studs that are in the truck measure 4" from the underside of the head to the end of the threads. The longer stud with two aluminum wheels, will give me about 1/2" of threads sticking thru the nuts. Quote Link to comment Share on other sites More sharing options...
Packer Posted October 8, 2008 Share Posted October 8, 2008 I ran into a problem with studs and aluminum wheels.The studs MUST be long enough to support the outter wheel on the inner nut!If not, the inner nut will break at the end of the stud and that lets the outside wheel take to the road, --- alone!!(Been there, done that)Long is good! (Leave that alone, Rob!)The inner nuts then must be taken off with a pipe wrench or an outter nut welded on the inner.Measure from the brake drum through both wheels and most of the outter nut.That's how long the studs need to be.Packer Quote Keep a clutchin' Link to comment Share on other sites More sharing options...
Rob Posted October 8, 2008 Share Posted October 8, 2008 Long is good! (Leave that alone, Rob!)PackerWhile I will agree with Packer if using the older "Budd" style taper seat, two piece stud pilot rims/hubs; I believe that a 1992 model year of truck will use the one piece retention nut, Hub Pilot, or "uniseat" mounting.One just needs to have adequate thread protrusion through the retaining nut for adequate clamping force to be applied. The rim center thickness determines the correct length of retaining stud required.Yes, length is important; Don't forget "girth", but that's another story.couldn't help myself, (reputation at stake).Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
diesel Posted October 9, 2008 Author Share Posted October 9, 2008 Yes, my 92 model has hub pilot wheels. My 1990 Pete has the stud pilot wheels and I had to change the length of the inner nut when adding aluminum wheels to the outside of the drive axles. Quote Link to comment Share on other sites More sharing options...
bobo Posted October 9, 2008 Share Posted October 9, 2008 in ontario, you have to have a min. of three threads showing(past the nut) after the wheels are torqued Quote Link to comment Share on other sites More sharing options...
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