Subject: Re: 4.5 litre pushrods
The later pushrods are not only longer and have thinner tubes but the ends are swagged to fit the machined ball and cup ends. These reduced diameter swagged ends seem to be a weakness to me.
Is there any reason why the tubes can’t stay the same diameter along their whole length and the machined ends simply insert as an interference fit?
There’s no clearance issues as far as I can see.