my car had 15x7's on it when i bought it , and 235's all the way around. they had these rims on it when i bought it

the front tires have always rubbed bad... and i just wanna know why.....

the rims are cheap aftermarket rims, eagle alloys, so did they just f**k up the backspacing..

because i wanna put some 16x8 iroc rims on it, but i don't want to rub. and if im rubbing now with 15x7's.....you get the idea

btw the car is a 82, Z with stock springs.

 

Sounds like the wrong offset or backspacing. You should have no problems with the stock 16's and 245's. With the correct offset you can even run 9.5" wide wheels in the front with 275's. Its all about the offset/backspacing.

 

yep there prob the wrong spacing.
Th iroc rims will be fine and will not rub. Just a note incase you didnt know but theres a difference between a rear and front iroc rim.