Time out in SQL stord procdeure

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SQL-Server

SQL-Server-2008R2

hi all
my problem is when i call stored procedure it contain select and insert statements
i mean i call select statement and insert result into variable
then i try to insert the value of select into insert statemen in my table
by the way the select come from linked server... it take about 4 minutes to execute it self so when i used it in stored procedures it do nothing... i think s. p time is out and not continue.
please any ideas
thanks

What I have tried:

declare mytext varchar (500)
mytext = select name from linked server ip and database
.....
insert into mytable ( mytextcolumn)
values (@mytext)