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What is needed to fit these wheels?

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Old Jul 14, 2011 | 11:17 AM
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1989 Iroc Convt's Avatar
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What is needed to fit these wheels?

Ok i have an 89 iroc convertible with rear disk brakes (all stock - Height axle etc).
I am wondering if i would have any issues running the below? What size spacers are needed. I am thinking 2" back 1.75" front, but want to make sure. Also can the tires on the wheels currently work or do i have to go lower profile. Also does anyone have spacers for sale.

Thanks in advance.
forgot to include wheet info.
Front Wheels: 17"x8.50"x58 (stamped on the inside), Speedline SL1113 Made in Italy GM. The Rims have P245 45 Zr17 Tires

Rear Wheels: 18"x9.50"x65 (stamped on the inside), Speedline SL1114 Made In Italy GM. The Rims have P275 40 ZR18 Tires
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Old Jul 14, 2011 | 11:20 AM
  #2  
1989 Iroc Convt's Avatar
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What is needed to fit these wheels?

Originally Posted by 1989 Iroc Convt
Ok i have an 89 iroc convertible with rear disk brakes (all stock - Height axle etc).
I am wondering if i would have any issues running the below? What size spacers are needed. I am thinking 2" back 1.75" front, but want to make sure. Also can the tires on the wheels currently work or do i have to go lower profile. Also does anyone have spacers for sale.

Thanks in advance.

Forgot to include wheet info.
Front Wheels: 17"x8.50"x58 (stamped on the inside), Speedline SL1113 Made in Italy GM. The Rims have P245 45 Zr17 Tires

Rear Wheels: 18"x9.50"x65 (stamped on the inside), Speedline SL1114 Made In Italy GM. The Rims have P275 40 ZR18 Tires
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Old Jul 14, 2011 | 11:41 AM
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Re: What is needed to fit these wheels?

You'll probably need 2" spacers all around. The existing tires should work, but you will need to check for rubbing, and you may not like the look. ( The rears are 26.7", while the fronts are 25.7" ) If not, you might try a 275/35R18 on the rear, ( 25.6" ) but then the rear sidewalls would be visibly shorter, and that may look strange also.
I would just trade the 17x8.5s in for another pair of 18x9.5s.
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Old Jul 14, 2011 | 06:06 PM
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3318RS's Avatar
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From: Jacksonville, Fl
Car: 1990 RS
Engine: 305
Transmission: Built-700R4
Re: What is needed to fit these wheels?

Originally Posted by 1989 Iroc Convt
Ok i have an 89 iroc convertible with rear disk brakes (all stock - Height axle etc).
I am wondering if i would have any issues running the below? What size spacers are needed. I am thinking 2" back 1.75" front, but want to make sure. Also can the tires on the wheels currently work or do i have to go lower profile. Also does anyone have spacers for sale.

Thanks in advance.
forgot to include wheet info.
Front Wheels: 17"x8.50"x58 (stamped on the inside), Speedline SL1113 Made in Italy GM. The Rims have P245 45 Zr17 Tires

Rear Wheels: 18"x9.50"x65 (stamped on the inside), Speedline SL1114 Made In Italy GM. The Rims have P275 40 ZR18 Tires
That's exactly what I have on my car. 2" spacer & everything goes on & fits perfect. The tire size is also perfect & looks good.

As far as spacers.....Get them on Fleabay (Ebay)...LOL
http://shop.ebay.com/i.html?_nkw=199...=p5197.c0.m627
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