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Modifications >> Wheels & Tires

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teamSVTour
CEG'er

Reged: 06/07/05
Posts: 487
help on offset for 18x8 or 19x8 & tire size
#1309163 - 08/30/06 05:58 AM

Well due to the wheel wells on these cars and the on going challenge of making wheels fit w/out rub I have a question. Trying to find a definate answer in the archives was starting to make my head spin.

Like the title states I am looking to get a set of either 19x8's or 18x8's. My problem is some of the wheels I have narrowed it down to have different offsets and also some have the option of picking what offset you want.

That being said, what is the offset and tire size I should go with for both the 18x8 and 19x8 so that I won't rub or have the least chance of rubbing. I don't think I want to go any less than a 225 correct? I dont want the tire looking stretched and the edge of the wheel sticking out past the rubber.

Info:
Stock struts
Eibach springs
no aftermarket brakes to fit around

TIA

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SvtTour98.5-3
CEG'er

Reged: 08/20/02
Posts: 310
Loc: Bloomfield Hills, MI
Re: help on offset for 18x8 or 19x8 & tire size new
#1309174 (Re: teamSVTour) 08/30/06 07:07 AM

Offset and section width are two different things. Your 225 means section width in mm. Is that what you're referring to or do you actually mean wheel offset in relation to the hub/mount?

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teamSVTour
CEG'er

Reged: 06/07/05
Posts: 487
Re: help on offset for 18x8 or 19x8 & tire size new
#1309179 (Re: SvtTour98.5-3) 08/30/06 07:27 AM

Im referring to:

1)what offset (in mm) to go w/ for each of the above mentioned wheel sizes so there is the least chance of rubbing.

2)Also what size tire to go with for the above mentioned wheel sizes.

Just noticed I posted this in the wrong forum. I will try to delete and move to "wheels & tires". Mods feel free to move if it is to late for me to delete and move.

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NVMYSVT
Veteran CEG'er

Reged: 01/06/03
Posts: 728
Loc: Wisconsin
Re: help on offset for 18x8 or 19x8 & tire size new
#1309193 (Re: teamSVTour) 08/30/06 10:47 AM

my 18's are 45mm offset (7.5 width and 225 series tires) and I have no rubbing issues at all.

my 19's are 40mm offset (8.0 widith and 235 series) and require spacers.. as there was meer millimeters between the wheel and my Koni's and there was rubbing. These are also on the Cougar but is should be the same dealio for the Contour. I have not yet attempted to put these on one of my CSVT's as I'm sure that there will be some rubbing issues.

I hope my information helps.

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Crispy

99 Cougar - Arancio Atlas/Grey Graphite Pearl Custom Widebody
98 CSVT - Silver Frost #4014/6535 - Born 10/21/97
98 CSVT - Silver Frost #4085/6535 - Born 11/10/97
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teamSVTour
CEG'er

Reged: 06/07/05
Posts: 487
Re: help on offset for 18x8 or 19x8 & tire size new
#1309379 (Re: NVMYSVT) 08/30/06 05:30 PM



Originally posted by NVMYSVT:


my 19's are 40mm offset (8.0 widith and 235 series) and require spacers.. as there was meer millimeters between the wheel and my Koni's and there was rubbing. These are also on the Cougar but is should be the same dealio for the Contour. I have not yet attempted to put these on one of my CSVT's as I'm sure that there will be some rubbing issues.

I hope my information helps.




Thanks NVMYSVT

19's are one of the sizes I need the info on (also 18's) both with the same 8 inch width.

Above is what I'm afraid of. I need to make sure I get the correct offset so that I do not rub on the strut or the fender. I also do not want to use spacers. I have tried using them before but it seems my studs are not very long which only allows me to get a few solid turns w/ the lug nuts. Does not feel very safe.

Any additional info is greatly appreciated.

--------------------
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WANTED:: EVO style CF hood

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NVMYSVT
Veteran CEG'er

Reged: 01/06/03
Posts: 728
Loc: Wisconsin
Re: help on offset for 18x8 or 19x8 & tire size new
#1309552 (Re: teamSVTour) 08/30/06 10:34 PM

You definately do not want to add universal spacers and use your stock lugnuts/bolts

what we did for my car was to buy 2 of the H&R spacer kits for my car.. I ended up going with 15mm in the front and 30mm in the rear.. You wont need anything as drastic as this as my car has custom flares and I also wanted to fill it better..

the 15mm spacers come with extended hardened lug studs which you use.

the 30mm spacers bolt onto the car using your lugnuts but then have 4 brand new extended studs which you use to attach to your wheels.. it completely replaces your lug area.

I think they make the spacers in 5 and 10mm sizing as well - these will come like my 15mm spacers and provide you with new hardened longer studs which will not break and can handle the weight

they are sorta pricey but they are worth it.. and keep in mind that you wont want to skimp on these items if you do need them

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Crispy

99 Cougar - Arancio Atlas/Grey Graphite Pearl Custom Widebody
98 CSVT - Silver Frost #4014/6535 - Born 10/21/97
98 CSVT - Silver Frost #4085/6535 - Born 11/10/97
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teamSVTour
CEG'er

Reged: 06/07/05
Posts: 487
Re: help on offset for 18x8 or 19x8 & tire size new
#1309870 (Re: NVMYSVT) 08/31/06 04:14 AM

spacers would push the wheel out more toward the fender which is a no no b/c that would increase my chances of rubbing on the fender. I don't think my situation needs spacers. Maybe I'm wrong.

But what I'm needing to know is exactly what offset to go with on a 8 inch wide wheel in both the 18 and 19 dia.
given my suspension setup.

I would prefer real situations w/ people that are currently running or have ran these sizes and experienced no issues. Please let me know what offset you are using.


--------------------
SOLD Polarg M-28 super bright white bulbs. Replace yellow stock license plate bulbs. See add in classifieds.

WANTED:: EVO style CF hood

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NVMYSVT
Veteran CEG'er

Reged: 01/06/03
Posts: 728
Loc: Wisconsin
Re: help on offset for 18x8 or 19x8 & tire size new
#1310004 (Re: teamSVTour) 08/31/06 02:18 PM

45mm should be fine on a 8 inch wide rim as I'm not rubbing with the 18x7.5 on a 225 series which would also fit a 8 inch wide rim

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Crispy

99 Cougar - Arancio Atlas/Grey Graphite Pearl Custom Widebody
98 CSVT - Silver Frost #4014/6535 - Born 10/21/97
98 CSVT - Silver Frost #4085/6535 - Born 11/10/97
See My Rides


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NVMYSVT
Veteran CEG'er

Reged: 01/06/03
Posts: 728
Loc: Wisconsin
Re: help on offset for 18x8 or 19x8 & tire size new
#1310072 (Re: NVMYSVT) 08/31/06 04:13 PM

BTW - as far as suspension I have BAT ST200 struts and ground controls - they are about 1/2 down and I pounded the living snot out of that rear "knife"

zero rubbing issues since May of this year.

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Crispy

99 Cougar - Arancio Atlas/Grey Graphite Pearl Custom Widebody
98 CSVT - Silver Frost #4014/6535 - Born 10/21/97
98 CSVT - Silver Frost #4085/6535 - Born 11/10/97
See My Rides


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Kremithefrog
I have no life

Reged: 05/14/02
Posts: 21653
Loc: Albany, Georgia
Re: help on offset for 18x8 or 19x8 & tire size new
#1310328 (Re: NVMYSVT) 08/31/06 10:10 PM

Originally posted by NVMYSVT:
my 18's are 45mm offset (7.5 width and 225 series tires) and I have no rubbing issues at all.

my 19's are 40mm offset (8.0 widith and 235 series) and require spacers.. as there was meer millimeters between the wheel and my Koni's and there was rubbing. These are also on the Cougar but is should be the same dealio for the Contour. I have not yet attempted to put these on one of my CSVT's as I'm sure that there will be some rubbing issues.

I hope my information helps.



You know the 40mm offset already puts it further out than a higher offset. I think it was your wide 235 and the fact it's on a tall 19" wheel and possibly because of the konis. Lowering always is more prone to rubbing (assuming you had lowering springs) and I think konis possibly are a bit closer to the wheel for some reason than stock struts.


Anyways, to answer the original poster and agreeing with the previous posts, 45mm offset with a 8" wheel SHOULD be just about right. But it can come down to your specific car, suspension, and tire.


I rub a bit (even after lots of cutting the fenders) with 17 x 7 roush wheels (offset?) and 16 x 7 rotas (40mm offset). Both have 225 wide tires, 45 series on 17"s and 50 series on 16"s. If I wasn't lowered, they wouldn't rub. And they don't come close to the strut, they rub the fender.

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98.5 SVT
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