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will they rub? by pHoOl
| Started on | : 08-08-2015 11:05 AM |
| Replies | : 16 (485 views) |
| Last post by | : rogergarrison on 08-27-2015 12:22 PM |
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Aug 8th, 2015
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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I think the answer is that all will be fine but wanted to check. Someone on Craigslist has some tsw thruxton wheels. They are 18x8. I asked about offset and he couldn't see anything listed on the back of the wheels. I believe the stock 15 great wheels are 7.5 inches wide, right?
Would these fit without rubbing? He's got 225 40 r 18 tires on them currently. Like I said, I think I'd be alright just wanted to check with someone smarter than myself
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11:05 AM
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PFF
System Bot
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Gall757
Member Posts: 10938
From: Holland, MI
Registered: Jun 2010
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stock 'lace' wheels were 7". You really need to know the offset to get your answer. Many 8" wheels will fit. You will need an offset of 40 to 45mm. [This message has been edited by Gall757 (edited 08-08-2015).]
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11:26 AM
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zmcdonal
Member Posts: 1682
From: NW, Indiana
Registered: Oct 2005
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The way the will fit will really depends on the offset. Since they aren't marked with the offset on the wheel, ask him to measure the backspacing for you and you should be able to figure out the offset from that. Backspace is measured like this, ruler from the back of the surface that mounts to the hub to a straight edge that's laid across the barrel of the wheel. 
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04:11 PM
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Aug 10th, 2015
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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Ok so he did some measuring, it's a 38mm offset.
So will that work, or do I need them to be 40mm+
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07:00 PM
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Gall757
Member Posts: 10938
From: Holland, MI
Registered: Jun 2010
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That's too close to call. It will depend on the size of the wheel lip and the shape of the tire. It may scrub the inside of the fender.
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07:12 PM
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JCircs
Member Posts: 961
From: Monroe New Jersey USA
Registered: Jan 2011
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I had that exact size wheel and tire on my 87, it wasn't even close to rubbing....
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07:33 PM
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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Hmm, one maybe and one yes. I shouldn't need longer bolts or anything would i? [This message has been edited by pHoOl (edited 08-10-2015).]
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08:58 PM
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California Kid
Member Posts: 9541
From: Metro Detroit Area, Michigan
Registered: Jul 2001
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You should add if your car has be lowered or not ?
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09:15 PM
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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Nope it hasnt, stock ride height, kybs, fiero.nl store front and rear anti sway bars. Stock brakes
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09:18 PM
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California Kid
Member Posts: 9541
From: Metro Detroit Area, Michigan
Registered: Jul 2001
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I'd say you are OK on the rear, but the fronts will be borderline, possible rub outer tire edge to fender liner/fender lip zone 12 o'clock high on hard braking, or cornering. [This message has been edited by California Kid (edited 08-10-2015).]
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09:40 PM
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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Hmm. Ok maybe I'll pass on this set and keep my eyes open. Cornering is the big draw for wider tires and low profiles.
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10:04 PM
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PFF
System Bot
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California Kid
Member Posts: 9541
From: Metro Detroit Area, Michigan
Registered: Jul 2001
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I had 40's on mine for a very, very short time, I hated them, you felt every little defect in the road constantly. I like a very firm ride, but there were torture. I pulled them off and went with 45's, for autocross or track just bump the psi up a couple pounds. Also it's the tire compound that gives you traction, not so much the width. The short sidewall of the 40's also bothered me for Michigan roads, you can take a wheel out fairly easy with our chuck holes. [This message has been edited by California Kid (edited 08-10-2015).]
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10:22 PM
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JCircs
Member Posts: 961
From: Monroe New Jersey USA
Registered: Jan 2011
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| | | quote | Originally posted by pHoOl:
Hmm. Ok maybe I'll pass on this set and keep my eyes open. Cornering is the big draw for wider tires and low profiles. |
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Like I said above, these wheels will not rub! Unless your car is an 88 then I'm not sure. I had the same size wheels with the same size tires on my 87 before and after I lowered it. They didn't rub at all, not ever, not even a little. Having your studs extended depends on the thickness of the new wheel but should be fine if spacers aren't being used.
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10:25 PM
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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That's a good point Cali Kid, our potholes might demand 45 series just to keep from bending rims. Ok, maybe I'll keep my eye out for some 17s then, so that the wheel size doesn't get too far off. Mine's not a daily driver, but it also seems that with kids now basically the only free time to drive it is to work. And there's a lot of construction going on.
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11:12 PM
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Aug 12th, 2015
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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Ok I passed on the 18s and found some 17s. 40mm offset, he's got 215 50s on them now. I'd change to 225 45 when I wear through them. I emailed him about width, he's gonna check. He thinks they're 7.5.
All sound good?
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02:59 PM
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Aug 26th, 2015
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pHoOl
Member Posts: 2496
From: Novi, MI
Registered: Jun 2000
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Got the wheels on and its back on the ground. Fronts seemed fine on clearance. Rears have about 3/4 of a pinky width between the tire and the suspension.
How close is too close?
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11:27 PM
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Aug 27th, 2015
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rogergarrison
Member Posts: 49601
From: A Western Caribbean Island/ Columbus, Ohio
Registered: Apr 99
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Just so they clear is enough, you dont need much wiggle room. I had 8" rims on one of mine and the inside of the tire was maybe 1/8" from the suspension and it never touched. Like mentioned though, it also depends on how the tire sidewall bulges. You want the tread width to match the rim width, no wider or narrower. [This message has been edited by rogergarrison (edited 08-27-2015).]
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12:22 PM
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