And, you may run into clearance issues if you are runnig a lot of mast rake...the distance between the upper & lower can get limiting when needing to honk on.
My current setup:
Here's some serious line tapering:
A lot of the T's now use cascaded systems running inside the boom. Uses much smaller/lighter blocks and runs freer than a non-cascade traditional setup.
here ya go....
Thats a 12:1 actually...