Not knowing exactly what you had or what Pete's cards were makes it difficult for someone like Stu who knows the game well to analyse properly anyway.
Ha! Thought I did quite a good job of analysing the hand actually lol.
In the specific hand itself knowing Pete's upcards is not
completely essential since the spot is usually going to be a clear raise on 4th street regardless. However, it is still fairly important; especially knowing whether any 3s or 8s were showing on Pete's board. But there is also a more general point - that in stud games you need to pay attention to
everyone's boards, and to remember the dead cards. It is a crucial part of all stud games that is often not appreciated by guys who only NLHE/PLO. That is the main reason I mentioned it at the start of my first post ITT.
Moving on, the key is to know how the equities work on 4th street and beyond. To build up this understanding you simply have to spend lots of time running sims - because some of the results can be counterintuitive, especially if you are not used to stud games. The independent boards mean that equities work rather differently to flop games. When you have done your homework you instantly know that 7654 is ahead of the range of an opponent showing (xx)62, and moreover that it cannot ever be worse than 50%. Make the opponent's two upcards the same suit and this is no longer the case of course, since he can have a four-flush.
The way equities shift between HU and MW pots is also very different in stud games compared to flop games, and this is something that is often extremely counter-intuitive to those not used to independent boards. The high-low aspect also has the same effect, producing some rather surprising equity match-ups in certain spots. For example, in the hand in question adding in another opponent showing two low cards can make a gigantic difference to the equities and can sometimes even mean you have to fold on 4th street. In Stud High-Low, it is entirely possible for Hand A to be a significant favourite heads up vs
either Hand B or Hand C, but to be a serious dog in a three-way pot vs
both Hand B and Hand C.
Like I said, the only way to get a feel for the shifting equities is to do lots of homework.