#1
I can't seem to find the tab for the part at 5:03 and is played on rhythm for the rest of the song.
#2
I will try and tab it out for you real quick
Gibson SG Standard
Ibanez S2170FB
Peavey JSX
Marshall 1960A
TEXAS A&M
#4
|d---------4----5----4---2---0--------------
|a----2------------------------------2----2-- <palm mute these two 2's
|E---------------------------------------------

|d---------4----5----4---2---0--------------
|a----0------------------------------0----0-- <palm mute these two 0's
|E---------------------------------------------

|d---------4----5----4---2---0--------------
|a----------------------------------------------- <palm mute these two 3's
|E-----3-----------------------------3-----3---


|d---------4----5----4---2---0--------------
|a----0------------------------------0----0-- <palm mute these two 0's
|E---------------------------------------------

repeat

I am not sure of the accuracy though because on the record, it sounds liek the two palm muted notes on the end are the same for each of the phrases, but I cannot figure out what note it is, and think it sounds fine like this, you be the judge.
Gibson SG Standard
Ibanez S2170FB
Peavey JSX
Marshall 1960A
TEXAS A&M