Thanks for everyone help.
@Eng16080, you are right, I need to limit to 5" bolt spacing even 5.25 is very closed.
@Doublestud. DTT2Z won't work if block is 2x unless I switch to 2 2x. in this case, I have to switch to HTT4.
@Jayrod12, thanks, I will adjust level of arm to 6". However, my...