| 354 Cast iron manifold stud nuts Richard Martin (Teal Blue 0704) from Hertfordshire has produced some nuts in high strength copper alloy for the exhaust down pipe flanges. (Jun 06) In V8NOTE353 I mentioned I run my Factory MGBGTV8 with the original cast iron exhaust manifolds but they have always proved a problem when the brass nuts that hold the down pipe flanges against the manifolds need to be removed. These usually either strip their threads or seize on |
the
steel stud such that it shears off as the nut is
undone. I have manufactured a small batch of nuts from a high strength copper alloy which is similar to those used for marine fasteners which resist corrosion, usually from salt water. These have proved successful on my car although the steel studs will rust at the exposed ends in situ below the nut. A good lubricant, like copperslip, will help if applied on initial assembly. I have a supply of nuts from the batch I have had made available for sale to V8 Register members. More |