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Old 10-26-2005 | 03:18 AM
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Nevermind I am terrible. Got nervous for a minute there. I did 6.5 as the centerline not 5.5 which gives me a +56-57mm offset. Sorry
Old 10-26-2005 | 08:18 AM
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Originally Posted by Juiced2000SS
Nevermind I am terrible. Got nervous for a minute there. I did 6.5 as the centerline not 5.5 which gives me a +56-57mm offset. Sorry
No problem, BS and offset are not directly related, although close:

Offset is the distance from the lug plat to the center line of the wheel.

BS is the distance the the back side of the wheel to the lug plate, but each wheel bead is slightly different in size, so that is the unknown factor.

But you offset will be around 57~58 mm, as you said. May have to do a littel inner wheel well massaging but nothing major.
Old 10-26-2005 | 02:19 PM
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Originally Posted by Xsta Z 28
No problem, BS and offset are not directly related, although close:

Offset is the distance from the lug plat to the center line of the wheel.

BS is the distance the the back side of the wheel to the lug plate, but each wheel bead is slightly different in size, so that is the unknown factor.

But you offset will be around 57~58 mm, as you said. May have to do a littel inner wheel well massaging but nothing major.
Yea, I've got my BFH ready to go. I think it will look pretty good after the wheels. Thanks.

http://www.billetwheel.com/cgi/wheel...es&img=14&tn=1
Old 10-31-2005 | 07:54 PM
  #324  
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Originally Posted by Raven
How about this, guys: I am interested in a set of wheels that are 18" x 9.5" with a 35mm offest. Would wheels this size/offset work OK with my car?

From the chart in the first post I may be 3mm off what is acceptable My thinking is 3mm seems "close enough" but what do I know :shrug: Anyway, if anyone can help me out whether these wheels are OK or not, that would be great !

PS: Sorry if this is a dumb question.

TIA
Has anyone run this size yet? Looking to get SPortmax 962 in 35mm in 18x9.5 on a lowered f-body. THoughts?
Old 10-31-2005 | 10:24 PM
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Originally Posted by NoFear95
Has anyone run this size yet? Looking to get SPortmax 962 in 35mm in 18x9.5 on a lowered f-body. THoughts?

35 mm is really pushing the limits. Since you have a Firebird the wheel wells, especially out back are a little wider than a Camaro, so there is extra room.

All the wheels on my Camaros are 38 mm offset. The Berger has 9.5's on all foru corners and the Red Vert has 9.5's front and 10.5's rear. So use my pics as a guide . . .
Old 11-01-2005 | 04:52 PM
  #326  
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Anyone run 315/30/18 on zo6 motorsport 18x10.5 w/ 58mm offset? I already did BFH mod, will I need to roll fenders on a lowered camaro?
Old 11-04-2005 | 01:22 PM
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Originally Posted by strokednsprayed408
Anyone run 315/30/18 on zo6 motorsport 18x10.5 w/ 58mm offset? I already did BFH mod, will I need to roll fenders on a lowered camaro?
May need to do a little extra BFH, but I doubt you'd need to roll the quarters
Old 11-08-2005 | 05:53 PM
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Would 15x10 with 6 1/2 backspacing work on my rears?
If so what is the biggest tire that will fit?

Last edited by SgtB; 11-09-2005 at 07:12 AM.
Old 11-09-2005 | 08:27 AM
  #329  
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Originally Posted by SgtB
Would 15x10 with 6 1/2 backspacing work on my rears?
If so what is the biggest tire that will fit?
Unfortunately I am not up on the drag wheel and tire setups, so using the general forum, and search will get you more answers, sorry.
Old 11-11-2005 | 07:48 PM
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whats the worry with 18x8.5 35mm...245/40/18 should be kosher?
Old 11-12-2005 | 08:26 AM
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Originally Posted by 8GTOKLR
whats the worry with 18x8.5 35mm...245/40/18 should be kosher?
Should be fine.
Old 11-15-2005 | 12:15 PM
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can i fit 19x8.5" CCW 505A's on all 4 corners of an 05 GTO? And what tire size would go with that?
Old 11-15-2005 | 01:11 PM
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Originally Posted by KompreSSor
can i fit 19x8.5" CCW 505A's on all 4 corners of an 05 GTO? And what tire size would go with that?
Yup. 245/35ZR19
Old 11-15-2005 | 03:37 PM
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hey Xsta

i read the tire fit guide and it says that 8.5 rim will hold a 255 wide so on the quote above whats the series? i am guessing 255/35ZR-18 90W B? thanks again
Old 11-15-2005 | 03:44 PM
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I just won some 18x9" wheels with a 7.00" backspace (+50mm offset). I heard I can go as wide a 285. Is this true and do I need the BFH? I'd like to go with Goodyear GSD3's (which are a little fatter than other tires)
Old 11-15-2005 | 04:23 PM
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Originally Posted by 8GTOKLR
hey Xsta

i read the tire fit guide and it says that 8.5 rim will hold a 255 wide so on the quote above whats the series? i am guessing 255/35ZR-18 90W B? thanks again
Yeah a 255/35ZR18 would work. Biggest recommended tire that will fit a 8.5" wide wheel.
Old 11-15-2005 | 04:28 PM
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Originally Posted by ROCNDAV
I just won some 18x9" wheels with a 7.00" backspace (+50mm offset). I heard I can go as wide a 285. Is this true . . .
Not really . . . A 275/35ZR18 is the recommended tire. A 285, really should go on a 9.5 or wider wheel.

. . .and do I need the BFH?
Really shouldn't be an issue.

I'd like to go with Goodyear GSD3's (which are a little fatter than other tires)
If that is your tire choice I'd strongly recommend the 275/35ZR18, plus the GSD3's do not come in a 285/35ZR18 . . .
Old 11-15-2005 | 06:03 PM
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thanks Xsta
Old 11-17-2005 | 01:19 AM
  #339  
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Default 12inch rim???

X you said that a 12 inch rim wont fit in the wheel.If the offset is right it should fit. to me if a 315/35x17 GSD3 can fit in the wheel well then a 12ich rim with the right offset should fit???

I know they are making the z06 rims in 18x12 with a 64mm offset and it will pull the wheel in. But how much of a spacer do you need to to get it sit flush with the fender or just inside of it.

I plan on roller the fender and doing the BFH mod but I need to kknow the offset
Old 11-17-2005 | 06:11 PM
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Originally Posted by Xsta Z 28
Yeah a 255/35ZR18 would work. Biggest recommended tire that will fit a 8.5" wide wheel.
yeah i asked the same thing and i am running the 255/35-18 with no issues works well


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