18s on my Thunderbird - TCCoA Forums
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post #1 of 16 (permalink) Old 10-08-2018, 05:35 PM Thread Starter
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18s on my Thunderbird

Hi just wanted to post some info about Wheels.. My Bird is a budget build.. I bought a set of Aluminum Volvo XC90 wheels for $40 that will bolt right up to the 5x4.25 or 5x108 lug pattern.. curious if anybody else has tried this?..

The wheels don't have tires yet but I'm planning to get some 245/40/18s

When I fitted the wheels to the car and they clear hoping they will still work when tires are mounted

Despite it saying Volvo in the middle they look way better then the factory stock ones IMO.. 18 x 8 wheel 49mm offset

Volvo Usually has pretty snazzy wheels so it may be an option if you're on a budget..

One Junk yard I go to sells wheels for $10 a piece..

Last edited by WMC; 10-08-2018 at 06:29 PM.
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post #2 of 16 (permalink) Old 10-08-2018, 05:54 PM
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7” offset? Yikes

Offset is the measurement from the centerline of the wheel to the hub face, positive the hub face ends short of the centerline, negative goes past it(which is very uncommon), typically this is measured in metric. Backspacing is typically measured in inches, and is the distance from the hub face to the inside wheel lip. Either way 7” is ridiculous, I doubt that’s what they are but they’d be way tucked in if so, negating any benefit aesthetically or functionally.

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post #3 of 16 (permalink) Old 10-08-2018, 06:20 PM Thread Starter
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7” offset? Yikes

Offset is the measurement from the centerline of the wheel to the hub face, positive the hub face ends short of the centerline, negative goes past it(which is very uncommon), typically this is measured in metric. Backspacing is typically measured in inches, and is the distance from the hub face to the inside wheel lip. Either way 7” is ridiculous, I doubt that’s what they are but they’d be way tucked in if so, negating any benefit aesthetically or functionally.
lol yeah I measured way wrong.. The 6 1/2 ( not 7 it was dark) inches was from the hub to the edge of the wheel..

The positive offset is 49mm so yeah my bad..

Either way they look like they will work
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post #4 of 16 (permalink) Old 10-08-2018, 06:45 PM Thread Starter
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Heres a mock up
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File Type: jpg 43390802_561426107632008_6791269916990242816_n.jpg (530.9 KB, 25 views)
File Type: jpg 43415147_375386366334873_2017594495415091200_n.jpg (707.0 KB, 21 views)
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post #5 of 16 (permalink) Old 10-08-2018, 06:57 PM
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I wasn't expecting them to fit the cars style so well. IMO our cars look best when they have somewhat factory looking wheels. My Tbird has a set of 17" wheels from tirerack and they are kind of bland, but make the car look a lot more modern overall. The factory 15" wheels look tiny now in comparison

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post #6 of 16 (permalink) Old 10-08-2018, 07:06 PM
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Look great! 245/45/18 is stock equivalent size. The 245/40/18 is a full inch shorter than stock. Speedo will be 2.1mph faster than you are traveling at 60mph (You'll read 60, you'll be traveling 57.9mph).

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post #7 of 16 (permalink) Old 10-08-2018, 08:05 PM Thread Starter
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Quote:
Originally Posted by Kenz View Post
I wasn't expecting them to fit the cars style so well. IMO our cars look best when they have somewhat factory looking wheels. My Tbird has a set of 17" wheels from tirerack and they are kind of bland, but make the car look a lot more modern overall. The factory 15" wheels look tiny now in comparison
Id have to agree with ya.. I was kinda surprised myself.. Looking forward to getting these mounted on.. I'm really not to big on flash either.. Modern I think is the key word.. I eventually may put a more race style looking wheel but these will work good..
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post #8 of 16 (permalink) Old 10-08-2018, 08:11 PM Thread Starter
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Look great! 245/45/18 is stock equivalent size. The 245/40/18 is a full inch shorter than stock. Speedo will be 2.1mph faster than you are traveling at 60mph (You'll read 60, you'll be traveling 57.9mph).
Thanks! I may go that route I'm gonna get these mounted up soon as I get my Trans fixed.. Appreciate the support
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post #9 of 16 (permalink) Old 10-08-2018, 08:34 PM
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Im pretty sure they will fit. Focus wheels fit and they are 18x8s at 55mm offset.

26869210_335913663571118_1047939155134251008_n.jpg


Now, I have a set of 17x8s on my bird at 42mm offset, with 255/50 tires. They are a very tight fit in the front. So Id just test fit them, easiest thing to do to make sure.
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First: Stacie, 1996 Tbird LX, mild build NPI engine, PI cams and intake, Long tube headers, Jmod.

Second: Ellie, 1989 Tbird SC, r̶e̶s̶t̶o̶r̶i̶n̶g̶ ̶t̶o̶ ̶b̶e̶ ̶n̶e̶w̶ ̶d̶a̶i̶l̶y̶. off the deep end

Third: 1997 Dodge Ram 1500, thirsty daily.

Fourth: 1990 Tbird SC, GT40 5.0 mated to m5r2, BBK long tubes, motor out the hood, drift car.
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post #10 of 16 (permalink) Old 10-08-2018, 09:00 PM
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Quote:
Originally Posted by Wile E. Coyote Jr. View Post
Im pretty sure they will fit. Focus wheels fit and they are 18x8s at 55mm offset.

Attachment 32747


Now, I have a set of 17x8s on my bird at 42mm offset, with 255/50 tires. They are a very tight fit in the front. So Id just test fit them, easiest thing to do to make sure.

Yikes! That's a tight fit!!

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post #11 of 16 (permalink) Old 10-08-2018, 09:41 PM
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Quote:
Originally Posted by Kenz View Post
I wasn't expecting them to fit the cars style so well. IMO our cars look best when they have somewhat factory looking wheels. My Tbird has a set of 17" wheels from tirerack and they are kind of bland, but make the car look a lot more modern overall. The factory 15" wheels look tiny now in comparison
Nice find. But I agree on the factory look, I used to have these Enkeis on my 89, they looked so perfect to me. But they got out of round and couldn't be balanced, I miss 'em.
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post #12 of 16 (permalink) Old 10-08-2018, 10:20 PM Thread Starter
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Originally Posted by Wile E. Coyote Jr. View Post
Im pretty sure they will fit. Focus wheels fit and they are 18x8s at 55mm offset.

Attachment 32747


Now, I have a set of 17x8s on my bird at 42mm offset, with 255/50 tires. They are a very tight fit in the front. So Id just test fit them, easiest thing to do to make sure.
Wow those look really nice!!! I might have to find a set of those when the time comes.. looks great with the machined face
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post #13 of 16 (permalink) Old 10-09-2018, 09:01 AM
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Yikes! That's a tight fit!!
An angle grinder will fix that right up! (joking, joking)



I bet that touches at high speed.

I'd mark the tires with something, and go see.

My motorcycle tire grows almost an inch in the front, at high speeds.

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post #14 of 16 (permalink) Old 10-09-2018, 10:35 AM
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Quote:
Originally Posted by Grog6 View Post
An angle grinder will fix that right up! (joking, joking)



I bet that touches at high speed.

I'd mark the tires with something, and go see.

My motorcycle tire grows almost an inch in the front, at high speeds.
What would you call high speeds

First: Stacie, 1996 Tbird LX, mild build NPI engine, PI cams and intake, Long tube headers, Jmod.

Second: Ellie, 1989 Tbird SC, r̶e̶s̶t̶o̶r̶i̶n̶g̶ ̶t̶o̶ ̶b̶e̶ ̶n̶e̶w̶ ̶d̶a̶i̶l̶y̶. off the deep end

Third: 1997 Dodge Ram 1500, thirsty daily.

Fourth: 1990 Tbird SC, GT40 5.0 mated to m5r2, BBK long tubes, motor out the hood, drift car.
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post #15 of 16 (permalink) Old 10-09-2018, 01:29 PM
No, Mr. Lemmywinks, No!!!

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What would you call high speeds
Nothing I'll post here, lol.

You can expect tires to grow at 80mph.

For one, the center of the tread on my highway cars wears out fast if I inflate them over ~28psi.

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.


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post #16 of 16 (permalink) Old 02-15-2019, 10:10 PM
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Hello!

Did you ever get these Volvo 18" wheels mounted up? Any pics? How do they fit?
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