Re: 1951 Ford Split Rims
An RH-5° widow maker side ring mounts to the rear of the base rim. If Bob has an F-3 and airs the wheels while mounted on the truck the ring will explode inward toward the truck and be held captive around an axle. On an F-4/5/6 the same applies to the fronts and inner duals. The outer duals, however, cause the damage Frank describes to people and property that are in the path of the side ring explosion. It is the RH-5° that no commercial shop will touch today.
Wheels having Goodyear style split locking side rings are serviceable at real truck tire shops just about anywhere. The solid/unbroken locking ring style (Firestone RH and RHP) are becoming hard to find service on as shops no longer train new techs in their service. So few are still in use, and they are harder to work on, so it stands to reason shops would decline to work on them anymore. These are not a job for an untrained hobbiest. Stu
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Stu McMillan
Marmon-Herringtons
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