A 335 on a 9.5 wide wheel is totally not recommended. 
335/30/18's Tires on a C5
335/30/18's Tires on a C5 Hi all, i'm wondering what the proper backspacing is to have a set of my thin spokes widened to 12' to fit a set of 335/30/18's on the rear. Realizing i probably will have to tub it to fit them inside i just cannot hook up at the track otherwise. My 295/35/18 drag radials aren't cutting it so i'm even thinking of running some 16" firebird wheels with bias ply slicks to hook it up. What do you think?
Hi all, i'm wondering what the proper backspacing is to have a set of my thin spokes widened to 12' to fit a set of 335/30/18's on the rear. Realizing i probably will have to tub it to fit them inside i just cannot hook up at the track otherwise. My 295/35/18 drag radials aren't cutting it so i'm even thinking of running some 16" firebird wheels with bias ply slicks to hook it up. What do you think?
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18X12's with 335/30/18 BFG KDW's. I think if I where to run any other tire then the KDW's they would not fit. The sidewalls are rounded off more then any other 335 i have seen. They do rub a tiny bit on the inside fender well when I creep over a curb or hit a large bump. My car is also lowered on stock bolts.
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Nitto's generally run a little narrower than spec'd. Many C5s are running their 335s on 10.5" Z06 rears without too much trouble. Sometimes depends on your alignment, lowered stance, and rear shocks.
On The Tree
Joined: May 2006
Posts: 118
Likes: 0
From: Tampa,Fl
Just like the Hammer said they do rub a little on the top of the inner fender when you turn up into a steep driveway. My car is an 02' Vett lowered 1" all around. I've been running 285/35 x18 0n 10.5" CCWs in the front and 335/30 x18 on 11.5" CCW classics in the rear, along with Michelin Pilot Sports, on my car for over 4 years with no issues. There are a couple of problems though, 1) they cost alot and 2) they are nail and screw magnets 
