![](./images/smilies/spacer.gif)
![](./images/smilies/spacer.gif)
![](./images/smilies/spacer.gif)
Moderators: IMOC Moderators, IMOC Committee Members
kaiowas wrote:I've used ARP head studs on a couple of my engines and I'm well aware of the distributor issue(I just spun the dizzy shaft in a drill and used a file to machine a chamfer on the end of the shaft to allow it to clear the stud) but I've never seen anything about an oil feed issue and am struggling to visualise how using a stud and nut rather than a bolt could cause such an issue.
Can you give some further detail on what exactly the problem is Paul?