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Newbie needs help, 275/35R18?

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Old Apr 4, 2014 | 08:59 PM
  #1  
jhev1's Avatar
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From: CT
Car: 1987 IROC Z28
Engine: 350
Transmission: Rebuilt 700R4
Axle/Gears: Stock
Newbie needs help, 275/35R18?

Hey guys,

I've been lurking for a while, drooling over some cars and wishing it could be my car. Well, my time has finally come! A little back story first. I've had a 1987 IROC Z since the mid 1990's. It's been sitting in my garage for 10 years now. Before that I lugged it out to CA in 2002, then when my wife and I moved back to CT in 2003 it came back with me. All towed since right around 2001 the tranny crapped out, had it rebuilt, crapped out, rebuilt, crapped out, rinse, lather, repeat 9 (NINE!!!) times in about 3K miles and I finally just bought a new car figuring I'd fix this one up when I was rich and successful. Well that hasn't happened, but I do have a few dollars to put into it now. Not as many as I would like, but enough for a tranny, wheels, tires, exhaust and maybe, maybe a stereo. Anyway, on to my actual question.

I really love these wheels, they are almost the same as the stock but chrome and 18's. My question is will a 275/35 fit in the well? Will it need to be modified? Does anyone have any pics to share of a 275/35/18?

Oh the pic is right before I had it trailer back to CT. It looks the same now, just with ten years of dust and four flat spotted tires.
Attached Thumbnails Newbie needs help, 275/35R18?-headon-1-.jpg   Newbie needs help, 275/35R18?-newwheels.jpg  
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Old Apr 7, 2014 | 01:23 AM
  #2  
Skinny Neb's Avatar
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From: Lincoln, NE
Car: 1985 Trans Am
Engine: 385
Transmission: 700R4
Axle/Gears: 10 Bolt 4.10
Re: Newbie needs help, 275/35R18?

Yes, they work without modification. Only problem I've had with mine are rubbing the inner wheel wells at full lock with my vette wheels. IIRC you can fit a 315 in the back before tubbing.

Here's a couple pics for you.
Lowered (3" i believe)
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Stock ride height
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Size:  147.6 KB
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Old Apr 7, 2014 | 05:36 AM
  #3  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Newbie needs help, 275/35R18?

Yes that tire will fit front and rear. But that wheel u posted is not available in a 9" width afaik, only 8" wide amd th at wheel wont work with a 275 tire.
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Old Apr 7, 2014 | 01:50 PM
  #4  
Skinny Neb's Avatar
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Joined: Jul 2012
Posts: 174
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From: Lincoln, NE
Car: 1985 Trans Am
Engine: 385
Transmission: 700R4
Axle/Gears: 10 Bolt 4.10
Re: Newbie needs help, 275/35R18?

Originally Posted by //<86TA>\\
Yes that tire will fit front and rear. But that wheel u posted is not available in a 9" width afaik, only 8" wide amd th at wheel wont work with a 275 tire.
Wrong. They WILL work. Would I recommend it? Nah.

I have 18x9.5s rear and 18x8.5s front and 275s all around.





I'd think a 255/40/18 is what you would want, or if you're dead set on 275s for some reason, you could always have those wheels stretched.
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Old Apr 7, 2014 | 03:50 PM
  #5  
jhev1's Avatar
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Joined: Apr 2014
Posts: 5
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From: CT
Car: 1987 IROC Z28
Engine: 350
Transmission: Rebuilt 700R4
Axle/Gears: Stock
Re: Newbie needs help, 275/35R18?

Thanks for the help guys. Unfortunately the wheels I really really (did I say really??) want have a backspace of 4.5, which will probably cause issues.
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Old Apr 7, 2014 | 07:43 PM
  #6  
Harvey Mushman's Avatar
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Joined: Dec 2013
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From: Western PA
Car: 83 Z 28
Engine: LG4
Transmission: 700R4
Axle/Gears: dunno
Re: Newbie needs help, 275/35R18?

Originally Posted by Skinny Neb
Yes, they work without modification. Only problem I've had with mine are rubbing the inner wheel wells at full lock with my vette wheels. IIRC you can fit a 315 in the back before tubbing.

Here's a couple pics for you.
Lowered (3" i believe)

Stock ride height


Skinny
May I ask what wheel/tire combo you have on the red TA? That's the exact look I want
HM
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Old Apr 7, 2014 | 10:15 PM
  #7  
Skinny Neb's Avatar
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Joined: Jul 2012
Posts: 174
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From: Lincoln, NE
Car: 1985 Trans Am
Engine: 385
Transmission: 700R4
Axle/Gears: 10 Bolt 4.10
Re: Newbie needs help, 275/35R18?

Originally Posted by Harvey Mushman
Skinny
May I ask what wheel/tire combo you have on the red TA? That's the exact look I want
HM
They are chrome 18x9.5 C6 corvette wheels. 275/35/18s all the way around.


I can't say I recommend that wide of a tire up front as they rub a little on the inner wheel well up front. If you can find some 18x8.5s as I did on the blue/silver one, go with a smaller tire as well and you shouldn't have a problem.
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