Offset for a 88-98 Chevy

I need to know the right offset for 88-98 chevy fullsize i need the to tuck

What size wheels?

20"

bump

its five on five for the lug pattern its like that on alot of chevys

i know the lug pattern i need the offset

i've got a 5 in. back space on mine

thanks man i am looking for some new wheels ....

my 22x9.5 is +35mm, tucks like a freakin dream, didnt even need to trim the lip on the bed/fenders....

i have a 4.5 on my 20's and a 5.5 on my 22's and they both are fine ...they tuck perfectly!