With the 295s I had to do the very slightest BFH. I'd imagine that I'll have to do a little bit more, but nothing substantial.

 

thats cool, u mean u had to roll ur fenders, or hammer the insides in?

 

275/40/17 and 305/35/18 nitto 555 DR in the rear, BFH mod on the driverside inner well and rolled the lips.

 

Just hammered the insides a little bit. Haven't rolled the fenders at all, but might consider it since I just lowered it. Not required, but not a bad idea.

Good luck!

 

looks good, but i kinda wanted to stay away from the BFH and rolling lol

 

I hear you.

Even with 295s on the Z06's, I needed a very slight BFH on the drivers' side. Keep that in mind!

 

If you have an adjustable panhard bar, you might be able to get away without the BFH mod lol. It would be super close though.

 

Same here, they only work on cars that came with them. F-bodys look goofy with staggered wheels; Camaros can kind of pull it off, but Firebirds look horrible with them IMO.

A 295-315 on an 18 should hook as good or better than the 275s you have now, so no worries there.

 

really thats good to know, cause i though the 17 would be better cause of the sidewall height?

 

I don't think the sidewall height is going to make a huge impact going from a 17 to an 18, and a 315 is over an inch and a half wider than a 275 is. That's over three inches of contact space with the two tires.

 

ok cool, does mickey thompson make a 315 drag radial?