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Username Post: Aftermarket wheels for 58 impla        (Topic#364105)
Meyer 
Newbie
Posts: 42

Reg: 11-01-19
01-24-21 07:46 AM - Post#2812808    

What backspace and tyresize ?

I think 18” Dia





 


Jens 
"12th Year Silver Supporting Member" & 58-60 Subject Matter Expert
Posts: 7257
Jens
Loc: Iowa.
Reg: 04-21-02
01-24-21 02:32 PM - Post#2812829    
    In response to Meyer

I have 255/45/17s on mine with 17x8 wheels and 4” back spacing (zero offset). Tires are 10” wide with with no interference.
You can do 18x8 in that size with 255/45s but that would be about the max in the stock wheel well. Here’s a link:

https://youtu.be/19oBiCLU8U8



 
Jens 
"12th Year Silver Supporting Member" & 58-60 Subject Matter Expert
Posts: 7257
Jens
Loc: Iowa.
Reg: 04-21-02
01-24-21 03:02 PM - Post#2812836    
    In response to Meyer

Here’s 255/45/18s on 18x 8.5” rims with +6mm offset on the 59 1/2. Same 10” width as the 58 but an inch taller.




Attachment: DB44DDD8-A2E9-43B7-8F5E-DED91BCB2996.jpeg (3.66 MB) 3 View(s)






 
mahlmann 
"10th Year" Gold Supporting Member
Posts: 1813
mahlmann
Age: 76
Loc: Las Cruces, NM
Reg: 01-20-11
01-24-21 03:07 PM - Post#2812837    
    In response to Jens

I have American Racing VN 420 Classic 200s Polished
17"x 8" with Coker American Classic Radials 235/55 R17 1 3/4" whitewall 27.17" diameter 6.7" tread width



Attachment: NewImpalaWheels2__2_.jpg (2.58 MB) 8 View(s)




Mike Ahlmann
Las Cruces, NM
'50 Tin Woodies (two) Ramon and Willard
'58 Impala Sport Coupe
'69 El Camino SS-396
'07 Ford F150 to haul parts for above
'16 Ford Explorer 3.5 EcoBoost - Red Rocket


 
Meyer 
Newbie
Posts: 42

Reg: 11-01-19
01-25-21 11:54 AM - Post#2812893    
    In response to mahlmann

What backspace



 
Delray_58 
Frequent Contributor
Posts: 1000

Loc: Scotts Valley, CA
Reg: 03-20-10
01-26-21 07:15 AM - Post#2812968    
    In response to Meyer

Here's what I have on my Delray, with no rubbing or interference:

Front: 17x7, 4.0" backspacing, 235/45R17
Rear: 17x8, 4.5" backspacing, 255/45R17

The backspacing is critical on the rear or you will definitely get rubbing in the outer wheelwell lip.


'58 Delray 283 3-speed OD
In the family since new


 
Meyer 
Newbie
Posts: 42

Reg: 11-01-19
01-27-21 10:50 AM - Post#2813088    
    In response to Delray_58

So 8” all corners not possible?



 
Delray_58 
Frequent Contributor
Posts: 1000

Loc: Scotts Valley, CA
Reg: 03-20-10
01-28-21 05:15 PM - Post#2813158    
    In response to Meyer

8" on the front might be possible, but it depends on ride height and the type of driving you do. With the 7" above on the front, with a 1" coil spring cut, I detect some rubbing during hard and tight cornering. However, at normal speeds this is not an issue.

There's some (expensive) trial and error involved here, at least for me. For example, my original rear wheels had a different offset that rubbed against the outer wheelwell, so I had to buy a new set with different backspacing and sell my initial pair of wheels. So, it can be painful. I'm sure that using one of those Tire and Wheel simulator tools will help you dial in the sizes correctly.

'58 Delray 283 3-speed OD
In the family since new


 


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