I guess I did not read Chiefoldephart's post very well when I wrote my own! I now see that he needed to purchase a couple of 9/16" 12-point nuts to fix the clearance issue on the front main cap. So it does look like ARP's main stud kit should work great for our 235/261 engines. Thanks Chiefoldephart for the good input, I will be placing my order to ARP ASAP.
