scampy, The main caps you're asking about are small journal because the 360 has a seal groove for the oil pan on #5 main cap. But 273 and 318 caps are smaller than 340 caps. But if you happen to need 360 caps, I have some with bolts.
I was going to PM you, but your mailbox is full. Myron
I was going to PM you, but your mailbox is full. Myron