315`s Question
Thread Starter
Burning Brakes
Joined: Jul 2004
Posts: 768
Likes: 6
From: Newport Beach, Southern California
315`s Question
Hi, got a 96 lt4 and presently have 5 spoke chrome ZR1 9.5 wide rims on all four corners.
I`d like to go wider in the rear and install 11`s with 50mm offset with 315`s tires and also lower rear with 1 inch. I also know that even with 50mm offset rims wheels still stick out a little.
Q: Will my wider rims and tires in the back hit the edge of the wheel whale if i lower the car one inch given the fact that they stick out pass the wheel whale?
On a different note i saw a c4 at a car show with 11`s and 315`s in the rear and they were NOT sticking out at all...not even 1mm...the guy said he had coilovers installed and that made the wheel tuck in more.
What can it be done for our c4`s with 11`s and 315`s and 50mm offset in rear in order NOT to stick out al all?
Thanx guys
I`d like to go wider in the rear and install 11`s with 50mm offset with 315`s tires and also lower rear with 1 inch. I also know that even with 50mm offset rims wheels still stick out a little.
Q: Will my wider rims and tires in the back hit the edge of the wheel whale if i lower the car one inch given the fact that they stick out pass the wheel whale?
On a different note i saw a c4 at a car show with 11`s and 315`s in the rear and they were NOT sticking out at all...not even 1mm...the guy said he had coilovers installed and that made the wheel tuck in more.
What can it be done for our c4`s with 11`s and 315`s and 50mm offset in rear in order NOT to stick out al all?
Thanx guys
Melting Slicks
Joined: Dec 2000
Posts: 2,719
Likes: 60
From: Fremont Oh
2blklt4
I'm running exactly what your describe, I'm dropped almost 2 inches and I was fine.
So 1 inch would be no issues... I'm at 27 in the front and 28 in the rear with a full tank of gas...
I have 50 mm offsets and they with the wheels alignedfall right att he flare.
You can see them on my website...
Mo
I'm running exactly what your describe, I'm dropped almost 2 inches and I was fine.
So 1 inch would be no issues... I'm at 27 in the front and 28 in the rear with a full tank of gas...
I have 50 mm offsets and they with the wheels alignedfall right att he flare.
You can see them on my website...
Mo
Elite Torch Red Member
Joined: Sep 1999
Posts: 57,805
Likes: 23
From: Exit 89 GSP,Lakewood,NJ The Land Of Mojo
Cental/South NJ Events Coordinator
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
CI-II Burnout & Drag Champ
St. Jude Donor '03-'04-'05-'06-'07
Note that on jumps and bumpy roads, the stock 285's will rub the inner wheelwell.(ask me how I know)
I have 315's on 11's with the 50mm offset and they hardly stick out at all, maybe 1/16th of an inch.
I don't see how coilovers will make a difference. The half shafts are still teh same length. For teh coilovers to make a difference, the hub and everything else would have to be located more inboard for the wheels to not stick out unless this guy changed the alignment(camber) or had a custom offset on the wheels.
I have 315's on 11's with the 50mm offset and they hardly stick out at all, maybe 1/16th of an inch.
I don't see how coilovers will make a difference. The half shafts are still teh same length. For teh coilovers to make a difference, the hub and everything else would have to be located more inboard for the wheels to not stick out unless this guy changed the alignment(camber) or had a custom offset on the wheels.
Race Director
Joined: Oct 2002
Posts: 10,864
Likes: 198
From: Southern CA
315's on 11's 50mm offset & they rub a little in agressive autox, not a big deal, just a fender liner
These are Kuhmo's vracer v700's, Tire sizes are NOT exact between mfg's. They are close.
They stick out & I added Grand Sport flairs.
These are Kuhmo's vracer v700's, Tire sizes are NOT exact between mfg's. They are close.
They stick out & I added Grand Sport flairs.
Elite Torch Red Member
Joined: Sep 1999
Posts: 57,805
Likes: 23
From: Exit 89 GSP,Lakewood,NJ The Land Of Mojo
Cental/South NJ Events Coordinator
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
CI-II Burnout & Drag Champ
St. Jude Donor '03-'04-'05-'06-'07
Originally Posted by froggy47
Tire sizes are NOT exact between mfg's. They are close.
Melting Slicks
Joined: Dec 2000
Posts: 2,719
Likes: 60
From: Fremont Oh
with Mojo, coilovers make no difference... I'm running Goodyears... alot depends on how much camber you hae by lowering it as well the more camber the less they will stick out at the top, I'm running -1 degree...Mo
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Pro
Joined: Jul 2003
Posts: 543
Likes: 0
From: DFW Texas
I have been thinking about 315's on 11's for a while. Thanks for the info. It helps me make the decision. Now I need to finish wearing out the tires I do have so I can have a reason to buy new tires again. 
Le Mans Master
Joined: Feb 1999
Posts: 9,949
Likes: 40
From: South Carolina
St. Jude Donor '03 & '05
I narrowed my rear to fit the 315's with 17x11's with the 50 mm offset. I can send photos and guidelines. GM recommended this years ago when the installed the 17x11 ZR1 offset wheels inthere Big Doggie Vette. Then the Grand SPort offset came out, and voila, perfect fit. I even lowered mine. Look at pics in sig.
Basically you want is about 8.3 inch offset. I think that is what Fikse has , or close to, for the 89-96 Vette. The Grand sport has an additonal 14mm offset from the ZR-1 then the narrowing I do is 13mm more.
In my Imagestaion if you click on the pictures, you can see, if you look at photo in original form as they are huge pics, you can see the fit of the wheels.
Basically you want is about 8.3 inch offset. I think that is what Fikse has , or close to, for the 89-96 Vette. The Grand sport has an additonal 14mm offset from the ZR-1 then the narrowing I do is 13mm more.
In my Imagestaion if you click on the pictures, you can see, if you look at photo in original form as they are huge pics, you can see the fit of the wheels.
Last edited by steve40th; Feb 8, 2005 at 12:20 AM.
Melting Slicks
Joined: Mar 2004
Posts: 3,242
Likes: 0
From: Aledo/Waco Tx
Originally Posted by xeugep
Yeah, would 335s rub?? I have 17x11 ZR-1 rims
Melting Slicks
Joined: Jan 2002
Posts: 2,238
Likes: 4
From: Milan
Originally Posted by rockindaves96
I cant remember how many sets of 315s ive gone threw and never a problem with rubbing or stickin out.. in fact ive been wondering what a set of 335s with flares might look like back there..
Thread Starter
Burning Brakes
Joined: Jul 2004
Posts: 768
Likes: 6
From: Newport Beach, Southern California
Thanx for all your replies...got some money comming back from the IRS and ill get those 11`s..i`ll finally go for 315`s...they look to kool not to do it.
I`m selling two 9.5`s chrome rims five spoke (zr1 style) with 255`s or 285`s GoodYears HP on them...they have less than 1000 miles on both (rims and tires)
I`m selling two 9.5`s chrome rims five spoke (zr1 style) with 255`s or 285`s GoodYears HP on them...they have less than 1000 miles on both (rims and tires)
