So my 5oh started life as a 4 banger (and obvoiusly 4 lug), prevouis owner did the 5 liter swap and 5 lug swap (off of what car i'm not sure) but it had the ugliest t-bird wheels on it. I bought some 17" 99 GT 5 star wheels tonight and i'm putting tires on them tomorrow early in the mourning.

My question is, am i going to need a spacer because of the backspacing of the wheels being different? and what size tires can i use front and back without rubbing?

I'll take a picture and post if it lets me.

 

I also have those wheels. Which 5 lug swap do you have? DO you have disc brakes in the rear or drums?

I have the sn95 conversion and there is no need for any spacers. IMO the wheels are perfect for the swap because of the offset. You should run 245/45/17 or 245/40/17 on those rims.

 

It has rear discs, is that a 95-95 swap or something different???