getting 2-1 in the big blind

[Ironside]

lying 3/10 but the call is going to be 1/4 of my stack but i am getting 2-1 for my money

is this an insta call?

is there a level of my stack where i do fold this?

PokerStars Hand #93159833492: Tournament #681232486, $6.42+$0.58 USD Hold'em No Limit - Level X (300/600) - 2013/01/29 13:18:26 WET [2013/01/29 8:18:26 ET]
Table '681232486 4' 9-max Seat #8 is the button
Seat 1: jeany399 (6038 in chips) is sitting out
Seat 2: Ironside (8578 in chips)
Seat 6: brentl2 (2540 in chips)
Seat 8: Frank2Neue (9605 in chips)
jeany399: posts the ante 50
Ironside: posts the ante 50
brentl2: posts the ante 50
Frank2Neue: posts the ante 50
jeany399: posts small blind 300
Ironside: posts big blind 600
*** HOLE CARDS ***
Dealt to Ironside [ ]
jeany399 has returned
brentl2: raises 1890 to 2490 and is all-in
Frank2Neue: folds
jeany399: folds
Ironside: calls 1890

[SuuPRlim]

seems like a defo fold to me ?

[Ironside]

seems like a defo fold to me ?

quite possibly is i was always told if getting 2-1 in big blind you are getting the odds to make the call with any 2
with this guys stack he was shoving very light his range is quite possibly any 2 infact when cards were turned over i was ahead

[Ironside]

let me expand on that

in this hand i am only worse than 2-1 against hands that contain a Jack and over pairs
even against TT-77 i am only a 2-1 dog
and a huge part of his range i am 35-45%
adding into this hands that even a tight player would be shoving with here 67s+
and then the out an out shove and hope

i dont have an icm calc but i am sure that in hands like this it must be +ev in cards terms to make the call but does that count in tourny equity aswell?